Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Ray Peter Mangulabnan, MD
Internal Medicine Physician in Saginaw, MI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003804766
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7307374 | Other | - | AETNA US HEALTHCARE |
| N48190001 | Other | MI | MEDICARE |
| 1107304342 | Other | - | BCBS OF MI |
| 0992071 | Other | - | HEALTH PLUS OF MI |
| 4411167 | Other | - | MEDICAL SERVICES ADMIN |
| 4411167 | Medicaid | MI | - |
| 7307374 | Other | - | AETNA |
| P25942F | Other | - | BLUE CARE NETWORK |
| 010683841050 | Other | - | COMM CHOICE CARE SOURCE |
| 0N48190 | Other | - | WISCONSIN PHYS SERVICES |
| MOLINA | Other | MI | QMXPR0027616 |
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 2007-12-28.