Thomas Carl Weiner, MD
Hematology & Oncology Physician · Helena, MT
Thomas Carl Weiner, MD is a hematology & oncology physician with a practice address in Helena, Montana, and NPI 1538260179, issued on Sep 26, 2006. Check the license (Montana 7961, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas Carl Weiner
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 7961 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2475 E Broadway St, Helena, MT 59601
- Phone
- (406) 457-4180
- Enumerated
- Sep 26, 2006
- Record last updated
- Mar 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 0105179 MT
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 44 in Montana → Look up another NPI →
Also registered at 2475 E Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brett Amestoy, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1104403369
- David Anderson, CRNACertified Registered Nurse Anesthetist1396761086
- Anne Anglim, M.D.Hospitalist Physician1487680534
- Kaylee AshePharmacist1598696973
- Shayla Barraclough, PHARMDPharmacist1689332538
- Maryann Beach, MMS, PA-CPhysician Assistant1083257489
Verify Thomas Carl Weiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 7961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
53 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Carvedilol17 claims
- Citalopram Hbr14 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.
Thomas Carl Weiner among 44 hematology & oncology physician records in Montana
Thomas Carl Weiner, MD is one of 44 hematology & oncology physician records with a practice address in Montana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 36% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2018 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Montana
There are 44 hematology & oncology physician records in Montana.
All 44 in Montana → Every provider in Helena → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Karine Darbinyan, M.D.Helena, MT 596011134520745
- Thomas Reid, MDHavre, MT 595011295742153
- James Hueftle, MDAnaconda, MT 597111528041571
- Annie Castillo, MDBozeman, MT 597151902820483
- William Conkright, MDBozeman, MT 597151316998362
- Mark Hancock, M.D.Bozeman, MT 597151003954637
- Jack Hensold, MDBozeman, MT 597151851309421
- Kristina Hool, M.D.Bozeman, MT 597151154556702
Common questions
What is Thomas Carl Weiner, MD's NPI number?
Thomas Carl Weiner, MD's National Provider Identifier (NPI) is 1538260179, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Carl Weiner, MD located?
The NPPES record lists a practice address at 2475 E Broadway St, Helena, MT, 59601. Phone: (406) 457-4180. Providers update this record themselves, so call before visiting.
How can I verify Thomas Carl Weiner, MD's license?
NPPES lists Montana license number 7961, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Carl Weiner, MD prescribe under Medicare Part D?
In 2024, Thomas Carl Weiner, MD had 53 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.