James K. Baker, M.D. 

Our Awards

American Medical Association Physician's Recognition Award

Awarded to physicians in recognition of superior commitment to continuing medica education, Dr. Baker has won the AMA PRA award in 2010 and again in 2013.

American Academy of Orthopaedic Surgeons Board Re-certifcation

Orthopedic surgeons are required to re-certify 10 years after their initial board certication and every 10 year after that. Dr. Baker initially certified in 1995. He re-certified in the 94th percentile in 2004 and re-certified again in the 93rd percentile in 2013, meaning that he has re-certified in the top 7% of orthopedic surgeons for 20 years in a row!

Honor Societies

Dr. Baker is a member of the Phi Beta Kappa Honor Society and the Alpha Omega Alpha Honor Medical Society.

Let us introduce you to Dr. Baker    


An experienced, board-certified orthopedic surgeon, James Baker practices in Hays County, Texas with his office in San Marcos. Dr. Baker works in Lone Star Orthopedics, P.A. and sees patients for disorders of the musculoskeletal system. In private practice for over twenty years, he has experience and expertise in treatment of shoulder, hand and wrist problems, knee disorders, and fracture surgery (treatment of broken bones). He has performed hundreds of total knee and hip replacements, and also see patients for foot and ankle disorders.


Dr. Baker believes that the better preparation increases the chance of getting the best results for you. His lifelong commitment to learning, customer service, and academic achievement go hand in hand.


Growing up in Lexington, Kentucky, Dr. Baker graduated seventh in his class from Sayre School. He then served in the U.S. Army in Germany for three years. Upon returning to America, he attended college in New Orleans, where he met his wife, Diana, over a frog dissection in freshman biology lab. Her dissecting skills intrigued him, and they married before his sophomore year. With her help, he  graduated summa cum laude from Tulane in Biology, received departmental honors in Latin, and was elected to Phi Beta Kappa. He received his M.D. degree from Tulane School of Medicine (’88), was elected to Alpha Omega Alpha Honor Medical Society, and then completed an orthopedic surgery residency at Baylor in Houston. He then traveled to San Antonio and subsequently to Keesler AFB, MS to serve four years in the Air Force to pay back a military scholarship to medical school before beginning his practice in Louisiana. In 2005 after hurricane Katrina destroyed his office building and hospital in LA, he moved to San Marcos, Texas.


Dr. Baker is a member of Phi Beta Kappa Honor Society, Alpha Omega Alpha Medical Honor Society, Tri-County Medical Society, Texas Orthopaedic Association, and Texas Medical Association and is a fellow of the American Academy of Orthopaedic Surgeons, as well as a lifetime member of the American Medical Association. In 2004 he re-certified in the 94th percentile, that is in the top 6% of all orthopedists, with the American Board of Orthopaedic Surgery. In 2013 re-certified again in the 93rd percentile, placing him in the top 7% of orthopedic surgeons for 20 years in a row, an achievement few orthopedic surgeons can match. Dr. Baker has co-authored several articles in the medical literature. The articles are listed in his curriculum vitae below.


His wife Diana is a television journalist and producer. They have one 33 year old son. Dr. Baker and his wife live in San Marcos and are active in historic preservation and are lifetime members of PALS. Dr. Baker is a lifetime member of the San Marcos River Foundation. In his spare time, he enjoys reading history, website design, and his three cats, Romeo, Uggy, and Euphemia Gray.




A note from Dr. Baker:  "I will never forget the outpouring of generosity and sympathy that Texans gave after hurricane Katrina, not just to my family, but to every affected in Louisiana. There are so many big things in Texas, but nothing so big as the hearts of the strong and compassionate people of the Lone Star state."  

Many people have asked Dr. Baker what his office was like after hurricane Katrina. If you're interested, we've attached a few of his photos from his return trip October 1, 2005 in a web photo gallery.  

1305 Wonder World Drive

Conveniently located in the Professional Building

next to the CTMC hospital

San Marcos

Lone Star


Lone Star Orthopedics, P.A.

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