Jeffrey Rettig, D.O.

Since 1988, Dr. Rettig, a board-certified family practice physician, has had his practice in Groesbeck. He offers the full range of services for the entire family. Dr. Rettig graduated from Iowa State University in 1983, then went on to graduate from Kirksville college of Osteopathic Medicine, Kirksville, Missouri in 1987. He then completed further training and internship in Phoenix, Arizona before moving to Groesbeck. Dr. Rettig is also a Fellow of the American College of Family Practice. He and his wife Roxanne have 4 children.

Larry Hughes, D.O.

Dr. Hughes graduated from the Universityof Notre Dame in 1976. He went onto the Kirksville College of Osteopathic Medicine where he received his Degree as a Doctor of Osteopathy in 1980. He is Board Certified in Family Practice. Besides his general family practice, Dr. Hughes has a particular interest in addiction medicine. He has received a special DEA number which allows him to treat Opiod (pain pill) addicted patients with buprenorphine (Suboxone) in his office setting.

Dr. Hughes established his first Practice in Mooresville, Indiana in 1981. He moved to Limestone County and began his practice here in April of 1992.He and his wife, Janice, live in the Groesbeck area. They have been blessed so far with 6 grandchildren and 4 great grandchildren. Dr. Hughes is a Christian physician and enjoys Bible study, hunting, fishing, photography, and gardening.

Chris Matlock, M.D.

Dr. Matlock, is now part of our Sleep Lab Team! He earned his Bachelor’s degree in Biochemistry from the University of Texas at Austin, then continued on to medical school at the University of Texas Medical Branch in Galveston. After completing his residency in family practice in Tyler, he joined Dr. Rettig in 1999. Dr. Matlock is Board Certified by the American Board of Family Medicine with certification in Sleep Medicine.

Kenneth Lomenzo, M.D.

Dr. Kenneth Lomenzo graduated from Cal State Fullerton with a degree in Biology and received his medical degree from St. Georges University School of Medicine. He is Board Certified by the American Academy of Family Practice. Dr. Lomenzo came to Family Medicine Center after a residency at Ohio State University. Dr. Lomenzo is married and has 4 children.

Gordon Lee, Physician Assistant

Gordon Lee, PA-C joined the Limestone Medical Center Medical Staff in 2010. Mr. Lee has lived in Limestone County for the last 17 years serving the community and practicing medicine in Mexia since 2005. With over 25 years experience in primary care and in family practice Mr. Lee is a valued member of our organization.

Steven C. Zielinski, MD, CM, FRCSC

A Stanford trained Neurosurgeon and Diplomat of the American Board of Neurological Surgery, Dr. Zielinski began his career in 2002 in California. He relocated to Waco in 2007 and opened his private practice, Texas Spine & Neurosurgery, in 2010. Just 3 short years later, he began seeing patients in Groesbeck, and has been your friendly local spine surgeon for over a decade now. Dr. Zielinski has received numerous awards and honors for his work, has been published, and has served on multiple committees promoting neurosurgical health. He is happy to be working with the people of Groesbeck, and proud to bring metal-free fusion technology to Texas.

Eduardo Orihuela, DPM

Background: Grew up in Houston, TX. Graduated from Texas A&M University “95 with a Bachelors in Biomedical Science. Resides in Bryan with his three children.

Medical Education: Graduated from Texas A&M ’95 with Biomedical Degree, Graduated from Des Moines College of Podiatric Medicine and Surgery in 2000. Three year surgical residency with Houston Podiatric Founation Residency program.

Board Qualification: American Board of Podiatric Surgery, Board qualified in foot and ankle surgery.

Memberships: American College of Foot and Ankle Surgeons, Texas Podiatric Medical Assoc.

Research Papers: Emergent Anaphylaxis Resultant from Topical Neomycin, Surgery Precautions on Liver or Kidney Transplant Patients, Impact of Diabetes on hte Elderly Population

Uday M. Khosla, MD

Uday M. Khosla, MD, is board certified in nephrology and hypertension. Dr. Khosla has served as a Houston kidney consultant since 2004, currently the primary nephrologist at Kidney360 . Dr. Khosla serves as the managing partner of the multispecialty practice – Remix Medical, a health care consulting firm focused on modernizing health care experiences for both client and doctor. Dr. Khosla<> is also the founder and manager of Azuris Dialysis, a startup company providing modern dialysis solutions.

Dr. Khosla received his medical degree from the University of Cincinnati College of Medicine in Cincinnati, Ohio. He then traveled to Houston to complete his internship and residency in internal medicine at Baylor College of Medicine and remained at Baylor to complete his fellowship in nephrology and hypertension.

Dr. Khosla enjoys sharing his knowledge with colleagues and students, and his works have been published in numerous scientific journals and textbooks. In his free time, he enjoys spending time with his family, travelling, and training in Brazilian Jiu Jit Su.

Dr. Khosla is available as a kidney consultant in a variety of settings including in-hospital, outpatient clinic, outpatient dialysis, and home care.

This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.

Wanda "Sissie" Roark, RN, FNP-C.

Wanda “Sissie” Roark is a native of Groesbeck, and an alum of Groesbeck High. She continued her education at UT Tyler, where she received her BSN, and her MSN from Abilene Christian University. Sissie has worked in private practice in Brownwood, followed by student health at Tarleton State University. She worked at Falls Community Hospital and Clinic prior to joining LMC/FMC when she moved back to Groesbeck in 2016 to be closer to family. She has over 10 years experience of family practice.

Heather N Flippin MSN, APRN, FNP-C

Heather N Flippin MSN, APRN, FNP-C, grew up in Kosse, Texas just as her parents did. She graduated with a distinguished diploma from Groesbeck High School in 2004. Soon after graduation, she married her middle school sweetheart, William. Mr. and Mrs. Flippin both continued their education within the medical field while raising a young family. Mrs. Flippin graduated with her associate degree in nursing from McLennan Community College with honors and was the recipient of the Most Outstanding Student in the Clinical Setting Award in 2011. She continued to gain experience working as a dialysis and trauma nurse for several years. In 2016, she graduated Summa Cum Laude with her bachelor’s degree from Texas Tech University. Mrs. Flippin has been employed by Limestone Medical Center (LMC) since 2012, working in the Emergency Department, Quality Improvement, Informatics, and most recently Infection Control. She started in 2014 as the Infection Preventionist and was one of 6,000 nurses within the USA and Canada to receive National Certification in Infection Control. Mrs. Flippin has made great, lasting changes within LMC which shows her natural leadership qualities. In May 2020, Mrs. Flippin acquired her master’s degree in nursing from the University of Texas at Arlington and obtained national certification as a Family Nurse Practitioner through the American Academy of Nurse Practitioners. Mrs. Flippin’s mentors are Mrs. Dori Sims PA and Dr. Rettig, of which who will be her supervising physician. Mr. William Flippin currently serves as an EMS director in Freestone county, he also is an active member on the Kosse Volunteer Fire Department. They live happily on their small ranch outside of Kosse with three children, two dogs, and a handful of cows. Mrs. Flippin could not be more excited to serve the community of Kosse where she grew up in and currently resides.

Erin Holland MSN, APRN, FNP-C

Erin Holland MSN, APRN, FNP-C grew up in Mart, Texas. She obtained her associate degree in nursing in 2014 and worked as a registered nurse in the emergency department until getting her master’s degree from The University of Texas at Arlington. She currently holds a national certification from the American Academy of Nurse Practitioners. Prior to joining LMC, she worked in rural health as a primary care provider. Erin has been married to her husband Jacob for 7 years and they have two young children, Demi and Hollis. Spending time with her family is her favorite pastime. Erin is excited to join the LMC family. She will serve patients in wound care and primary care

Emily Witt MSN, APRN, FNP-C

Emily Witt MSN, APRN, FNP-C has been serving the Mart community through the Rucker Clinic since 2019. She is a proud 2007 graduate of Mart High School. She graduated with her Associate in Nursing degree in 2011. She worked in nephrology for seven years while she obtained her Bachelor’s degree from UTA and her Master’s degree from The University of Texas El Paso. Emily now enjoys caring for people of all ages, as she gives back to the community that has made her who she is today. Emily has two daughters who attend Mart ISD.

Savannah Wetzler, MPAS, PA-C

Savannah Wetzler, MPAS, PA-C, graduated from Texas Tech Health Science Center in 2013 with a master’s in physician assistant studies. She grew up in Robertson County and is a 2007 graduate of Milano High School. She is first generation college graduate, uniquely holding a master’s degree without ever obtaining a bachelor’s degree.

She is married to Matthew Strunk and they have two boys, Braxton and Kyson. Most of their free time is spent at a ballpark, field, or gym supporting their boys in youth sports.Savannah is entering her 10th year in rural healthcare and is passionate about bridging the gap in primary care for rural towns. She is looking forward to serving this community.

Harmoni Gallegos, FNP-C

Harmoni Gallegos grew up in a dairy community in rural New Mexico. Harmoni’s first job was working on a dairy, milking cows & caring for calves. Homeschooled, she participated in 4H, showing cows and winning buckles; she played competitive volleyball throughout her high school years – even playing on a state all-star team! A “preacher’s kid”, Harmoni knew from a young age that she would be a nurse.

Harmoni earned her Bachelor of Science in Nursing in 2006 from New Mexico State University; since that time, she has worked extensively in Pediatric Intensive Care Units, Hospital Emergency Rooms, and even as an elementary school nurse. Harmoni has found herself continually drawn to rural care; she has, by choice, placed herself in the rural health care setting. She loves the opportunity of developing relationships with her patients.

In her seventeen years of service, she has continued to hone her skills, earning her Master’s Degree as a Family Nurse Practitioner from Grand Canyon University in 2019. Harmoni has achieved national certification from the American Academy of Nurse Practitioners.

Harmoni and her husband Nicholas have been happily married for eleven years and are completely engaged in watching their two youngest children, Averie and Caleb, become part of the Robinson community. They are active in their Highland Baptist Church family, and maintain a busy schedule which includes little league, 4H, dance, and Twai Kwando! Additionally, Harmoni volunteers at her children’s schools. Harmoni feels extremely blessed that she has the opportunity to serve as an NP in Groesbeck at Rettig Family Health Care.

Barbara Weir, APRN

Barbara Weir has been a Board-Certified Family Nurse Practitioner since 2010 and has enjoyed working in home care since 2017. She received her Bachelor of Science in Nursing from the RN Program at the University of Texas at Arlington in 1999, and her Master of Science in Nursing from the Family Nurse Practitioner Program at Texas A&M Corpus Christi in 2010. She has prior experience with patients at all stages of life, but has a special interest in geriatrics. She is experienced in preventive care and management of acute and chronic illnesses. When not managing the needs of her patients, she enjoys music, rural landscape photography, and spending time with her husband and family.

Angela Trotter, FNP-C

Angela Trotter is a board-certified family nurse practitioner who specializes in providing care to patients who are home bound and unable to seek outside care. She has been a nurse practitioner since 2007. She completed her Registered Nursing degree at McLennan Community College in Waco, Tx and her Bachelor of Science in Nursing at the University of Mary-Hardin Baylor in Belton, TX. She went on to earn her Master of Science degree at University of Pheonix. She holds a national certification with the American Academy of Nurse Practitioners.

Chris Rand, O.D.

Dr. Chris Rand has been part of the Groesbeck community his entire life. He graduated in 1990 from Groesbeck High School. Four years later, he received his Bachelor of Arts degree in Biology from Texas A&M University. In 2000, he graduated with his Doctorate Degree from Nova Southeastern College of Optometry in Davie, Florida. Dr. Rand is married to his wife, Deana who has been teaching for 10 years. She is currently a 5th grade teacher at Groesbeck Elementary. Their children, Dylan and Carley attend school in Groesbeck. Dr. Rand is a therapeutic optometrist and certified glaucoma specialist. Since 2001 Dr. Rand has co-managed almost 6000 LASIK procedures and 1000 cataract procedures.

Steven Huffman, D.C.

Dr. Steven Huffman grew up in Pasadena Texas, but spent a good deal of his childhood in the close by community of Donie. He spent many days helping his grandfather, and other family members on a small family ranch. He has a Bachelor of Science Degree in Human Biology and received his Doctorate of Chiropractic from Texas Chiropractic College in 1988.

Jeffrey Blasick, DO

Dr. Blasick is not a native Texan. However, he and his family have grown to love the central Texas area and this community. Dr. Blasick attended Washington State University for his undergraduate degree and graduated cum laude in 2006 with his Bachelors of Science in Biology. He went to medical school at Kansas City University of Medicine and Biosciences from 2007 until 2011, graduating summa cum laude. He completed his orthopedic surgery residency at Affinity Medical Center in Massillon, OH in 2016. He chose to continue practice in Texas at the end of 2016. Dr. Blasick has been practicing Orthopedic surgery in the Waco area ever since. He is board certified in Orthopedic Surgery. He has privileges and regularly does surgery at Baylor Scott and White – Hillcrest, Ascension Providence Health Center, and Heart of Texas Surgery Center.

Dr. Blasick is proud to continue to serve the city of Waco and the surrounding communities. Groesbeck and it’s surrounding communities has become a major portion of Dr. Blasick’s practice and is grateful for the opportunity to serve those communities. His goal is to serve God by serving people and to do it the right way – God’s way. This is the making of “Authentic Orthopedics”. God and people come first; family, patients, and staff.

Dr. Blasick offers full-service general orthopedics, ranging from total joint replacements of shoulders, hips, and knees to sports medicine procedures with arthroscopy of the shoulder and knee, as well as basic hand procedures such as carpal tunnel releases, trigger finger releases, and base of the thumb replacements. We treat fractures, tendon and ligament tears, and multiple other conditions within the orthopedics practice.

Dr. Blasick has an amazing wife (Stephanie) and 2 wonderful kids (Sammy and Amelia). He enjoys hanging out with his family, as well as his life group through church, playing outside, swimming in the pool, and working on projects with the kids in the garage. The Blasick family also enjoys camping, getting dirty, and enjoying the amazing Texas weather.

Sherwin Attai, M.D.


University of Wisconsin, B.S. Biology
University of Wisconsin Medical School, Doctorate of Medicine


Residency – Internal Medicine, University of California-Irvine
Cardiology Fellowship – University of California-Irvine
Interventional Cardiology Fellowship – Northwestern University


Diplomate, American Board of Internal Medicine
Board Certified, American Board of Internal Medicine, Cardiovascular Disease
Board Certified, American Board of Internal Medicine, Interventional Cardiology
Certified, Board of Nuclear Cardiology
Fellow, American College of Cardiology

Areas of Interest:

Sherwin enjoys spending time with his wife and two children. Together, they enjoy tennis, skiing, and spending time in the outdoors.

Phillip Myatt, M.D, FACC

Dr. Phillip Myatt, a native to Waco, graduated as the 1998 class salutatorian from Waco High School. In 2002 he graduated Magna Cum Laude with a Bachelor of Science in Economics from Baylor University. He received his Doctor of Medicine in 2006 from Texas Tech School of Medicine and completed his residency in internal medicine at the University of Texas HSC at San Antonio in 2009. He went on to UTMB Galveston and The Methodist Hospital Houston where he received his training in cardiology. He finished his specialty training at Scott and White in interventional cardiology.

Dr. Myatt has cared for patients in Waco since 2009 with the McLennan County Hospitalist Services and through the Veterans Administration. He enjoys college athletics, the outdoors, golf, and he loves every second spent with his wonderful wife, Laura, their sons Colton and Copeland, and their daughter Charlotte. He and his family are members of First Baptist Church of Waco. Dr. Myatt has chosen to return to Waco to give back to the community he loves.

Dr. Myatt is Board Certified in Internal Medicine, Cardiovascular Disease, and Interventional Cardiology by the American Board of Internal Medicine

Hanu Ancha, M.D.

Dr. Hanu Ancha obtained his Doctorate in 1995 in India. He completed training in Internal Medicine at the Mount Sinai School of Medicine, Bronx, New York in 2011. Upon completion of residency, he completed a three year Fellowship in Gastroenterology at the University of Oklahoma Health Science Center in Oklahoma City, Oklahoma. After completion of fellowship, he worked as an attending gastroenterologist serving the veterans at the Veterans Administration hospital in Pittsburgh. Subsequently, he completed an Advanced Endoscopy Fellowship at St Luke’s Medical Center in Milwaukee, WI, in 2016.

Dr. Hanu Ancha has performed both basic science and clinical research to understand and improve digestive health and published several articles in peer reviewed journals and presented his work at both local and national meetings. He holds memberships at local and national gastroenterology associations and also serves on several patient safety committees at the local hospitals.

Dr. Hanu Ancha is board certified in Gastroenterology and Internal Medicine. He is accomplished with EGD, diagnostic and screening colonoscopy, wireless capsule endoscopy, endoscopic removal of large polyps, ERCP and endoscopic ultrasound procedures. He provides care for his patients at Waco Gastroenterology Associates, Providence hospital and Baylor Scott and White Hillcrest Medical Center in Waco.

He joined Waco Gastroenterology in July 2016 and his extensive training and experience makes him a valuable addition to Waco Gastroenterology Associates. He is married and has three children.

Thomas A. Salzer, M.D.

As an Ear, Nose and Throat specialist he seeks to make a positive difference in his patient’s lives. He considers it a privilege to be trusted with his patients care as well as the care of a parent’s most valuable possession, their children. Originally from Norwich, Connecticut, a summer job in the oil fields led Dr. Salzer to Texas A & M University where he was a member of the Corps of Cadets. Dr. Salzer attended medical school at Baylor College of Medicine. In his free time, Dr. Salzer enjoys spending time with his wife and children at their family lake house and ranch. You could also find him at an Aggie sporting event or in his garden. Dr. Salzer is also active in the community and his church.

James W. Mason, M.D.

Dr. Mason is a board-certified dermatologist with over 30 years of experience treating a wide variety of general dermatology conditions affecting the skin, hair, and nails. He has trained at various centers of excellence in the South, including:

• University of Texas Medical Branch (Galveston, TX) – Medical School
• Louisiana State University (Shreveport, LA) – Internship
• University of Texas Medical Branch (Galveston, TX) – Dermatology Residency

Dr. Mason was born and raised in Waco, and his roots are in the community. He has worked tirelessly to bring dermatologic services not only to Waco, but also outlying areas such as Groesbeck.

Thomas J. Harris, M.D. (Texas Oncology)

Texas Oncology provides comprehensive medical oncology care to the Groesbeck community and surrounding areas. Our physicians and other care team members have years of experience in treating cancer and blood disorders, and we work as a team to customize treatment plans for our patients. We believe you shouldn’t have to choose between high quality care and proximity to the critical support of your family and friends.