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

Dr. Allen Dirk Hoek, OD

Optometrist in Ripon, CA · enumerated 2006.

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

National Provider Identifier

1649284316

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Registry record

Entity type Individual (Type 1)

Name Dr. Allen Dirk Hoek

Credential OD

Sex Male

Practice address Ripon, CA, 95366

Phone (209) 599-2216

Fax (209) 599-6420

Enumeration date Jul 28, 2006

Last updated in NPPES Sep 8, 2014

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

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT8741 (CA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
1649284316	Other	CA	BLUE CROSS
SD0087411	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

How do I verify Allen Hoek's NPI record?

Cross-check NPI 1649284316 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1649284316 active?

Yes, as of the latest NPPES snapshot, NPI 1649284316 is active (record last updated 2014-09-08).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-09-08.