Blythe Kaufmann Belzer, MD
Internal Medicine Physician · Missoula, MT
Blythe Kaufmann Belzer, MD is an internal medicine physician with a practice address in Missoula, Montana, and NPI 1053671792, issued on May 28, 2012. Check the license (Montana 76930, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Blythe Kaufmann Belzer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 76930 MT
62041-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Broadway St FL 4, Missoula, MT 59802
- Phone
- (406) 327-1900
- Enumerated
- May 28, 2012
- Record last updated
- Jul 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (406) 327-1974
- Medicare enrollment
- Enrolled (PECOS I20190715002028); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 324 in Montana → Look up another NPI →
Also registered at 500 W Broadway St FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Blythe Kaufmann Belzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 76930Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average internal medicine physician in 2024
3,453 Medicare Part D claims for 327 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium289 claims
- Levothyroxine Sodium229 claims
- Amlodipine Besylate191 claims
- Lisinopril158 claims
- Warfarin Sodium157 claims
- Losartan Potassium138 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.
Bills Medicare through one group practice
- Providence Health And Services MtMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Blythe Kaufmann Belzer among 324 internal medicine physician records in Montana
Blythe Kaufmann Belzer, MD is one of 324 internal medicine physician records with a practice address in Montana. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 24% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2012 · median 2006 among the 191 with a school on file
- Record last updated2019 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Missoula
They are 47 of the 3,567 NPPES records with a practice address in Missoula, and 324 internal medicine physician records in Montana.
All 324 in Montana → Every provider in Missoula → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- J Caldwell, MDMissoula, MT 598021518911924
- Michael Curtis, MDMissoula, MT 598021447291109
- Mark Dalton, D.O.Missoula, MT 598021093782138
- Kasey Harbine, MDMissoula, MT 598021598717563
- Hugh Hughson, MDMissoula, MT 598021528012937
- Mary Langenderfer, MDMissoula, MT 598021871548537
- Lisa Milch, M.D.Missoula, MT 598021679527105
- Anne Murphy, MDMissoula, MT 598021124074232
Common questions
What is Blythe Kaufmann Belzer, MD's NPI number?
Blythe Kaufmann Belzer, MD's National Provider Identifier (NPI) is 1053671792, issued on May 28, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Blythe Kaufmann Belzer, MD located?
The NPPES record lists a practice address at 500 W Broadway St FL 4, Missoula, MT, 59802. Phone: (406) 327-1900. Providers update this record themselves, so call before visiting.
How can I verify Blythe Kaufmann Belzer, MD's license?
NPPES lists Montana license number 76930, 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 Blythe Kaufmann Belzer, MD prescribe under Medicare Part D?
In 2024, Blythe Kaufmann Belzer, MD had 3,453 Medicare Part D claims for 327 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.