NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

William Park, M.D., Inc

Pain Medicine (Anesthesiology) Physician in Garden Grove, CA · enumerated 2009 · authorized official William Park, President.

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

National Provider Identifier

1851530687

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name William Park, M.D., Inc
Practice address 9828 Garden Grove Blvd, 201, Garden Grove, CA, 92844
Fax (714) 530-4410
Enumeration date Feb 18, 2009
Last updated in NPPES Feb 18, 2009

Taxonomy & classification

207LP2900X Pain Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License A52866 (CA) Primary

Authorized official

Name William Park
Title President

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

Who is the authorized official for William Park, M.D., Inc?
NPPES lists William Park (President) as the authorized official for this organization.
What is the NPI number for William Park, M.D., Inc?
The NPI for William Park, M.D., Inc is 1851530687, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-18.