Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael F Regan, M.D.
Orthopaedic Surgery Physician in Auburn, ME · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1790780922
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0378600001 | Other | - | DMERC |
| 277270099 | Other | ME | MAINECARE |
| 025025 | Other | - | ANTHEM |
| MM0716 | Other | - | MEDICARE CLINIC FACILITY |
| 100294000 | Other | - | USPS WC |
| 201017 | Other | - | MEDICARE ASC FACILITY |
| DX7121 | Other | - | NEW MEDICARE PTAN |
| 200029713 | Other | - | RR MEDICARE |
| M90691 | Other | - | CIGNA |
| 010416156 | Other | - | TRAVELERS/CORE/MEDNET |
| MM6003 | Other | - | MEDICARE |
| MNT181 | Other | - | HARVARD |
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
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-19.