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

Dr. Mark Allen Dosmann, MD

Individual provider Radiation Oncology Physician · NPI 1245376219

Dr. Mark Allen Dosmann, MD is a Radiation Oncology Physician in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2007
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

17423 Rancho Diana
San Antonio, TX 78255-3365
Phone: (210) 239-5551
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence J5088 (TX)

Record details

NPI number1245376219
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 29, 2007
Last updated in NPPESMarch 26, 2023
Certification dateMarch 26, 2023
Mailing address17423 Rancho Diana, San Antonio, TX 78255-3365

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