Mark Allen Dosmann, M.D.
Radiation Oncology Physician · San Antonio, TX
Mark Allen Dosmann, M.D. is a radiation oncology physician with a practice address in San Antonio, Texas, and NPI 1245376219, issued on Jan 29, 2007. Check the license (Texas J5088, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Allen Dosmann
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- J5088 TX
Self-reported in NPPES; status is on the state search - Practice location
- 17423 Rancho Diana, San Antonio, TX 78255
- Phone
- (210) 239-5551
- Enumerated
- Jan 29, 2007
- Record last updated
- Mar 26, 2023
- Medicaid IDs
- 307567283A GA
051554701 AL - Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in Texas → Look up another NPI →
Verify Mark Allen Dosmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J5088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average radiation oncology physician in 2024
22 Medicare Part D claims for 14 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $224.71
10 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Allen Dosmann among 449 radiation oncology physician records in Texas
Mark Allen Dosmann, M.D. is one of 449 radiation oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 78% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Texas
There are 449 radiation oncology physician records in Texas.
All 449 in Texas → Every provider in San Antonio → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Jennifer Lee, M.D.San Antonio, TX 782401639580756
- Bryan Lin, MDSan Antonio, TX 782401285741256
- Robin Akins, M.D.San Antonio, TX 782351174691133
- Jessica Burlile, MDFort Sam Houston, TX 782341811523327
- Avinash Chaurasia, MDFort Sam Houston, TX 782341992168918
- Douglas Lee, D.O.Fort Sam Houston, TX 782341851654172
- Rachel Tobillo, MDFort Sam Houston, TX 782341144782806
- Ned Williams, D.O.San Antonio, TX 782341689735805
Common questions
What is Mark Allen Dosmann, M.D.'s NPI number?
Mark Allen Dosmann, M.D.'s National Provider Identifier (NPI) is 1245376219, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen Dosmann, M.D. located?
The NPPES record lists a practice address at 17423 Rancho Diana, San Antonio, TX, 78255. Phone: (210) 239-5551. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen Dosmann, M.D.'s license?
NPPES lists Texas license number J5088, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Allen Dosmann, M.D. prescribe under Medicare Part D?
In 2024, Mark Allen Dosmann, M.D. had 22 Medicare Part D claims for 14 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.