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

Gregory Duncan McCarroll, MD

Individual provider Internal Medicine Physician · NPI 1255422614

Gregory Duncan McCarroll, MD is an Internal Medicine in San Antonio, Texas. Graduated from University of Texas Medical Branch at Galveston in 1983, 43 years ago. Practices with Wellmed Medical Group PA, a 664-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
43
Trained at
University of Texas Medical Branch at Galveston
Licensed in
TX
In the registry since
2006
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

7622 Louis Pasteur Dr Ste 100
San Antonio, TX 78229-4037
Phone: (210) 614-7840
Fax: (210) 614-6421
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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 G5351 (TX)

Record details

NPI number1255422614
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 28, 2006
Last updated in NPPESFebruary 21, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1983 (43 years in practice)
Group practice Wellmed Medical Group Pa — 664 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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