Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael David Carson, O.D.

Corneal and Contact Management Optometrist in San Mateo, CA · enumerated 2010.

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

National Provider Identifier

1942523394

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Registry record

Entity type Individual (Type 1)

Name Michael David Carson

Credential O.D.

Sex Male

Practice address 50 S San Mateo Dr, Suite 200, San Mateo, CA, 94401

Phone (650) 342-4595

Fax (650) 342-3932

Enumeration date Mar 11, 2010

Last updated in NPPES Mar 11, 2010

Taxonomy & licenses

152WC0802X Corneal and Contact Management Optometrist Eye and Vision Services Providers · License 9133T (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
12073314	Other	CA	CAQH

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

How do I verify Michael Carson's NPI record?

Cross-check NPI 1942523394 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1942523394 active?

Yes, as of the latest NPPES snapshot, NPI 1942523394 is active (record last updated 2010-03-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-11.