Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Marcia Susan Miller Mccarty, MD
Family Medicine Physician in Shrewsbury, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881612638
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7720873 | Other | PA | AETNA |
| 100929824 | Medicaid | PA | - |
| 100458 | Other | PA | GEISINGER |
| 1428531 | Other | PA | HIGHMARK BLUE SHIELD |
| 2113754000 | Other | PA | AMERIHEALTH 65 PA |
| 107614 | Other | PA | JOHNS HOPKINS |
| 641973 | Other | MD | CAREFIRST MD BCBS |
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 specialty is Marcia Mccarty?
Is this the official NPI registry?
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-12-30.