Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael J Fay, M.D.
Specialist in Glasgow, MT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831127828
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael J Fay
Credential M.D.
Sex Male
Practice address 621 3rd St S, Glasgow, MT, 59230
Phone (406) 228-4331
Fax (406) 228-9539
Enumeration date Jun 29, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0092651 | Medicaid | MT | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Michael Fay?
The National Provider Identifier (NPI) for Michael Fay is 1831127828, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Fay practice?
The practice location on file with NPPES is in Glasgow, MT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Frances Mahon Deaconess Hospital Emergency Medicine Physician · Glasgow, MT NPI 1639117013 Northeastern Montana Orthopaedics Specialist · Glasgow, MT NPI 1457365397 Glasgow Clinic, Inc. Community/Retail Pharmacy · Glasgow, MT NPI 1912913575 Frances Mahon Deaconess Hospital Critical Access Hospital · Glasgow, MT NPI 1689685323 Martin Kurland Diagnostic Radiology Physician · Glasgow, MT NPI 1497869572 Frances Mahon Deaconess Hospital Medicare Defined Swing Bed Hospital Unit · Glasgow, MT NPI 1487768974 Frances Mahon Deaconess Hospital Diagnostic Radiology Physician · Glasgow, MT NPI 1013021500 Frances Mahon Deaconess Hospital Durable Medical Equipment & Medical Supplies · Glasgow, MT NPI 1437287612
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.