Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michelle D Johnson, M.D.
Obstetrics & Gynecology Physician in Prince Frederick, MD · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1497887178
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3263171 | Other | - | AETNA US HEALTHCARE |
| 548502-06 | Other | - | BLUE SHIELD OF MARYLAND |
| 759211601 | Medicaid | MD | - |
| 6906-0005 | Other | - | BLUE SHIELD DC |
| 352091 | Other | - | MAMSI UNITED HEALTH CARE |
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.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-09.