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

Individual provider Internal Medicine Physician · NPI 1447831243

Alejandro Macias Sustaita, MD is an Internal Medicine in San Antonio, Texas. Graduated from Baylor College of Medicine in 2021, 5 years ago. Practices with Gmg Health Systems Associates PA, a 116-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
5
Trained at
Baylor College of Medicine
Licensed in
TX
In the registry since
2021
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

7219 Culebra Rd
San Antonio, TX 78251-1305
Phone: (210) 921-3800
Fax: (210) 702-4239
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence V2150 (TX)

Record details

NPI number1447831243
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2021
Last updated in NPPESAugust 5, 2024
Certification dateAugust 5, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Gmg Health Systems Associates Pa — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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