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

Dr. Mark M Casillas, MD

Individual provider Orthopaedic Foot and Ankle Surgery Physician · NPI 1598709305

Dr. Mark M Casillas, MD is an Orthopedic Surgery in San Antonio, Texas. Graduated from University of Texas Medical School at San Antonio in 1991, 35 years ago. Practices with Methodist Physician Practices PLLC, a 173-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
35
Trained at
University of Texas Medical School at San Antonio
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1139 E Sonterra Blvd Ste 205
San Antonio, TX 78258-4349
Phone: (210) 874-3359
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Foot and Ankle Surgery Physician (primary) Taxonomy 207XX0004X · Licence J1917 (TX)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence J1917 (TX)

Record details

NPI number1598709305
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESFebruary 10, 2022
Certification dateDecember 13, 2019

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1991 (35 years in practice)
Group practice Methodist Physician Practices Pllc — 173 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in San Antonio