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

Dr. James Holmes Dinn IV, DO, MS

Individual provider Internal Medicine Physician · NPI 1790364933

Dr. James Holmes Dinn IV, DO, MS is an Internal Medicine in San Antonio, Texas. Qualified in 2021, 5 years ago. Practices with Wellmed Medical Group PA, a 664-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
5
Licensed in
TX
In the registry since
2021
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

600 Division Ave Ste E
San Antonio, TX 78214-1336
Phone: (210) 222-0333
Fax: (726) 268-7701
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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 T9669 (TX)

Record details

NPI number1790364933
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , MS
Sole proprietorNo
NPI enumeratedApril 5, 2021
Last updated in NPPESJuly 23, 2024
Certification dateJuly 23, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Wellmed Medical Group Pa — 664 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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