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

Dr. Greggory Jose Martinez, MD

Individual provider Pain Medicine (Anesthesiology) Physician · NPI 1013370642

Dr. Greggory Jose Martinez, MD is an Anesthesiology in Jbsa Ft Sam Houston, Texas. Qualified in 2016, 10 years ago. Practices with Sigma Pain Clinic PA, a 6-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
10
Licensed in
TX
In the registry since
2016
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3551 Roger Brooke Dr Rm 167-25
Jbsa Ft Sam Houston, TX 78234-4504
Phone: (210) 292-5077
Fax: (210) 292-7868
Show map & directions

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

Additional practice locations (1)

  • 12222 Merit Dr Ste 600, Dallas, TX 75251-3294 — (972) 715-5000

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence R5166 (TX)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence R5166 (TX)
General Practice Physician Taxonomy 208D00000X · Licence R5166 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1013370642
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2016
Last updated in NPPESJanuary 24, 2025
Certification dateJanuary 24, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesPAIN MANAGEMENT
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Sigma Pain Clinic Pa — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare