Nina Petrosyan, MD
Family Medicine Physician · Libby, MT
Nina Petrosyan, MD is a family medicine physician with a practice address in Libby, Montana, and NPI 1225667736, issued on Apr 6, 2020. Check the license (Montana 142023, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nina Petrosyan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 142023 MT
TL.0008739 CO
Self-reported in NPPES; status is on the state search - Practice location
- 320 E 2ND St, Libby, MT 59923
- Phone
- (406) 283-6900
- Enumerated
- Apr 6, 2020
- Record last updated
- Aug 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20241023003542); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 320 E 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nina Petrosyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 142023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
324 Medicare Part D claims for 92 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Amlodipine Besylate16 claims
- Trulicity12 claims
- Jardiance11 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
- Lincoln County Community Health Center IncLibby, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nina Petrosyan among 775 family medicine physician records in Montana
Nina Petrosyan, MD is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2007 among the 464 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Libby
They are 11 of the 139 NPPES records with a practice address in Libby, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Libby → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Charles Black, MDLibby, MT 599231356407902
- Jane Borish, MDLibby, MT 599231386773190
- Jana Hall, MDLibby, MT 599231063523629
- Mark HeppeLibby, MT 599231346368628
- Clyde Knecht, MDLibby, MT 599231295823979
- Michael Mahoney, MDLibby, MT 599231588766273
- Jay Maloney, MDLibby, MT 599231679602486
- Samantha Pyle, MDLibby, MT 599231447577317
Common questions
What is Nina Petrosyan, MD's NPI number?
Nina Petrosyan, MD's National Provider Identifier (NPI) is 1225667736, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nina Petrosyan, MD located?
The NPPES record lists a practice address at 320 E 2ND St, Libby, MT, 59923. Phone: (406) 283-6900. Providers update this record themselves, so call before visiting.
How can I verify Nina Petrosyan, MD's license?
NPPES lists Montana license number 142023, 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 Nina Petrosyan, MD prescribe under Medicare Part D?
In 2024, Nina Petrosyan, MD had 324 Medicare Part D claims for 92 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.