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

Kathleen Gray, M,.D.

Preventive Medicine/Occupational Environmental Medicine Physician in San Diego, CA · enumerated 2011.

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

National Provider Identifier

1336422252

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Registry record

Entity type Individual (Type 1)

Name Kathleen Gray

Credential M,.D.

Sex Female

Practice address San Diego, CA, 92103

Phone (858) 382-8106

Fax (619) 297-2244

Enumeration date Sep 27, 2011

Last updated in NPPES Dec 9, 2014

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

Taxonomy & licenses

2083P0500X Preventive Medicine/Occupational Environmental Medicine Physician Allopathic & Osteopathic Physicians · License G66152 (CA) Primary

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

What is the NPI number for Kathleen Gray?

The National Provider Identifier (NPI) for Kathleen Gray is 1336422252, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathleen Gray practice?

The practice location on file with NPPES is in San Diego, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Bryon Zuby Massage Therapist · San Diego, CA NPI 1750814604 American Current Care of California, A Medical Corporation Urgent Care Clinic/Center · San Diego, CA NPI 1841767001 Occupational Health Centers of California, A Medical Corporation Occupational Medicine Clinic/Center · San Diego, CA NPI 1659848810 Ali Sparkman Physical Therapist · San Diego, CA NPI 1407429152

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-12-09.