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Peter S Oh, DO

Family Medicine Physician in Ephrata, PA · enumerated 2006 · practices at Wellspan Medical Group.

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

National Provider Identifier

1790737666

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Registry record

Entity type Individual (Type 1)
Name Peter S Oh
Credential DO
Sex Male
Practice address 4131a Oregon Pike, Ephrata, PA, 17522
Phone (717) 859-1123
Fax (717) 859-2898
Enumeration date May 17, 2006
Last updated in NPPES Oct 4, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License OS006535L (PA) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
1021128500001 Medicaid PA -
50077763 Other - CAPTIAL BLUE CROSS
2035058 Other - HIGHMARK/FREEDOM BLUE
P009497 Other - GATEWAY

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 is the NPI number for Peter Oh?
The National Provider Identifier (NPI) for Peter Oh is 1790737666, a Type 1 (individual) record in the CMS NPPES registry.
Where does Peter Oh practice?
The practice location on file with NPPES is in Ephrata, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-04.