Maria Anne Thomas, MD
Radiation Oncology Physician · Saint Louis, MO
Maria Anne Thomas, MD is a radiation oncology physician with a practice address in Saint Louis, Missouri, and NPI 1104089465, issued on Jul 8, 2008. Check the license (Missouri 2013026726, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Maria Anne Thomas
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 2013026726 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 747-7236
- Enumerated
- Jul 8, 2008
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-8099
- Medicaid ID
- 200007260 MO
- Medicare enrollment
- Enrolled (PECOS I20130829000312); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 136 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
- Homaa Ahmad, MDCardiovascular Disease Physician1477635092
Verify Maria Anne Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2013026726Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average radiation oncology physician in 2024
35 Medicare Part D claims for 24 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Desoximetasone19 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Washington UniversitySaint Louis, MO
- Washington University Physicians IN Illinois IncAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Anne Thomas among 136 radiation oncology physician records in Missouri
Maria Anne Thomas, MD is one of 136 radiation oncology physician records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2008 · median 2004 among the 96 with a school on file
- Record last updated2025 · 46% 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 Missouri 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 Missouri
There are 136 radiation oncology physician records in Missouri.
All 136 in Missouri → Every provider in Saint Louis → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Jeffrey Bradley, MDSaint Louis, MO 631101699793232
- Jennifer De Los Santos, MDSaint Louis, MO 631101952344566
- Hiram Gay, MDSaint Louis, MO 631101720045297
- Perry Grigsby, MDSaint Louis, MO 631101467478685
- Dennis Hallahan, MDSaint Louis, MO 631101699867010
- Veena Kunigal, MDSt Louis, MO 631101669443248
- Hsiu-San Lin, MDSaint Louis, MO 631101073531562
- Macdonald Logie, MDSt Louis, MO 631101316967722
Common questions
What is Maria Anne Thomas, MD's NPI number?
Maria Anne Thomas, MD's National Provider Identifier (NPI) is 1104089465, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria Anne Thomas, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 747-7236. Providers update this record themselves, so call before visiting.
How can I verify Maria Anne Thomas, MD's license?
NPPES lists Missouri license number 2013026726, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Anne Thomas, MD prescribe under Medicare Part D?
In 2024, Maria Anne Thomas, MD had 35 Medicare Part D claims for 24 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Maria Anne Thomas, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.