NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Troy James Hamilton, PA-C

Medical Physician Assistant in York, PA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1962559344

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Registry record

Entity type Individual (Type 1)
Name Mr. Troy James Hamilton
Credential PA-C
Sex Male
Practice address 228 Saint Charles Way Ste 300, York, PA, 17402
Phone (717) 812-5400
Fax (717) 741-3598
Enumeration date Jan 5, 2007
Last updated in NPPES Mar 11, 2025

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MA052584 (PA) Secondary
207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License MA052584 (PA) Secondary
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MH1527160 (PA) Secondary
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA052584 (PA) Primary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MA052584 (PA) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA052584 (PA) Secondary

Other identifiers

Identifier Type State Issuer
50080821 Other PA CAPITAL BLUE CROSS-WMG
50083149 Other PA CAPITAL BLUE CROSS-WMG WP
2018329 Other PA HIGHMARK FREEDOM BLUE
1568492 Other PA GATEWAY-WMG

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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Frequently asked questions

What specialty is Troy Hamilton?
Troy Hamilton is registered in NPPES with the primary taxonomy of Medical Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-11.