Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrew Kim Oh, M.D.

Neurology Physician in Citrus Heights, CA · enumerated 2006 · practices at Regents of the University of California.

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

National Provider Identifier

1508884859

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Registry record

Entity type Individual (Type 1)

Name Andrew Kim Oh

Credential M.D.

Sex Male

Practice address 7551 Madison Ave, Citrus Heights, CA, 95610

Phone (916) 904-3000

Fax (916) 863-2966

Enumeration date Jul 17, 2006

Last updated in NPPES Nov 5, 2021

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License MD205189 (OR) Primary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License A60927 (CA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
00A609270	Medicaid	CA	-

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

Is NPI 1508884859 active?

Yes, as of the latest NPPES snapshot, NPI 1508884859 is active (record last updated 2021-11-05).

How do I verify Andrew Oh's NPI record?

Cross-check NPI 1508884859 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-05.