Eric R. Arzubi, M.D.
Psychiatry Physician · Billings, MT
Eric R. Arzubi, M.D. is a psychiatry physician with a practice address in Billings, Montana, and NPI 1770738353, issued on Nov 24, 2008. Check the license (Montana 26615, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Eric R. Arzubi
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 26615 MT
18930 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1020 N 27TH St, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Nov 24, 2008
- Record last updated
- Aug 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130807000387); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 156 in Montana → Look up another NPI →
Also registered at 1020 N 27TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric R. Arzubi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 26615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
112 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Vraylar18 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.
Industry payments in 2024: $48.26
2 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Bills Medicare through one group practice
- Frontier Psychiatry PLLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric R. Arzubi among 156 psychiatry physician records in Montana
Eric R. Arzubi, M.D. is one of 156 psychiatry physician records with a practice address in Montana. 62% 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, 37% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2008 · median 2005 among the 80 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 psychiatry physician records list a practice address in Billings
They are 41 of the 4,035 NPPES records with a practice address in Billings, and 156 psychiatry physician records in Montana.
All 156 in Montana → Every provider in Billings → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Blodgett, MDBillings, MT 591011679642896
- John Denegre, MDBillings, MT 591011134230972
- Eeva Echeverri, MDBillings, MT 591011255414447
- Erik Goodwyn, M.D.Billings, MT 591011356422380
- Belinda Hartley, MDBillings, MT 591011689612228
- Faraz Masood, MDBillings, MT 591011215041744
- Robert McDermott, MDBillings, MT 591011861592438
- Mark Nicholson, MDBillings, MT 591011235126566
Common questions
What is Eric R. Arzubi, M.D.'s NPI number?
Eric R. Arzubi, M.D.'s National Provider Identifier (NPI) is 1770738353, issued on Nov 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Eric R. Arzubi, M.D. located?
The NPPES record lists a practice address at 1020 N 27TH St, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.
How can I verify Eric R. Arzubi, M.D.'s license?
NPPES lists Montana license number 26615, 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 Eric R. Arzubi, M.D. prescribe under Medicare Part D?
In 2024, Eric R. Arzubi, M.D. had 112 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.