Doctor profile · Federal record

Dr. Mark Dosmann, M.D.

Radiation Oncology Physician · San Antonio, TX

  • NPI 1245376219
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17423 Rancho Diana
San Antonio, TX 782553365
(210) 239-5551

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 26, 2023
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Texas #J5088
Medicaid (2)
GA #307567283A · AL #051554701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245376219. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$225
Transactions
10
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 2 $46.71
Astellas Pharma US Inc 1 $31.08
AstraZeneca Pharmaceuticals LP 1 $28.84
Daiichi Sankyo Inc. 1 $26.70
Regeneron Healthcare Solutions, Inc. 1 $25.21
Karyopharm Therapeutics Inc. 1 $18.69
Janssen Biotech, Inc. 1 $18.36
JAZZ PHARMACEUTICALS INC. 1 $15.45
Incyte Corporation 1 $13.67

By nature of payment

Food and Beverage
$225

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Dosmann's medical specialty?
Dr. Mark Dosmann practices Radiation Oncology Physician in San Antonio, TX.
Where does Dr. Mark Dosmann practice?
Dr. Mark Dosmann practices at 17423 Rancho Diana, San Antonio, TX 782553365. Office phone: 2102395551.
What is Dr. Mark Dosmann's NPI?
Dr. Mark Dosmann's National Provider Identifier (NPI) is 1245376219, issued by NPPES.