NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Sara Kellogg Troyer, DDS

Dentist in Jackson, MI · enumerated 2007 · practices at Sara Kellogg DDS PC.

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

National Provider Identifier

1306048194

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Registry record

Entity type Individual (Type 1)
Name Dr. Sara Kellogg Troyer
Credential DDS
Sex Female
Practice address Jackson, MI, 49201
Phone (517) 787-2516
Fax (517) 787-7734
Enumeration date Jun 4, 2007
Last updated in NPPES Mar 17, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 2901019574 (MI) Secondary
122300000X Dentist Dental Providers · License FT1101980 (MI) Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier Type State Issuer
814652714 Other MI TAX ID

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Sara Troyer?
Sara Troyer is registered in NPPES with the primary taxonomy of Dentist. 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 2018-03-17.