Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John Mark McLain, MD

Individual provider Surgery Physician · NPI 1366857336

John Mark McLain, MD is a General Surgery in New Braunfels, Texas. Graduated from Wright State University Boonshoft School of Medicine in 2014, 12 years ago. Practices with Christus Trinity Clinic, a 1,531-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
12
Trained at
Wright State University Boonshoft School of Medicine
Licensed in
TX
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

545 Creekside Xing Ste 222
New Braunfels, TX 78130-4565
Phone: (830) 310-3491
Fax: (830) 310-3506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 1924 Alcoa Hwy # U-11, Knoxville, TN 37920-1511 — (865) 305-9230
  • 1659 Interstate 35 S Ste 105, New Braunfels, TX 78130-6826 — (830) 643-7900
  • 1305 Wonder World Dr Ste 300, San Marcos, TX 78666-7541 — (512) 353-6400
  • 105 Medical Ste 200, Seguin, TX 78155-5392 — (512) 353-6400

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence S5985 (TX)

Record details

NPI number1366857336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 27, 2014
Last updated in NPPESApril 22, 2026
Certification dateApril 22, 2026
Mailing address8711 Village Dr Ste 114, San Antonio, TX 78217-5419

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolWRIGHT STATE UNIVERSITY BOONSHOFT SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Christus Trinity Clinic — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in New Braunfels