What is John Gray's NPI number?

John Gray's National Provider Identifier (NPI) is 1083736938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Gray's specialty?

John Gray is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is John Gray located?

John Gray's practice location on file with NPPES is 401 Parnassus, San Francisco, CA 94143-0984.

What is John Gray's phone number?

The practice phone number listed in the NPPES registry for John Gray is (415) 476-7577.

Is John Gray's NPI active?

Yes — John Gray's NPI (1083736938) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Gray, M.D., PH.D.

NPI 1083736938 · Psychiatry Physician · San Francisco, CA

John Gray, M.D., PH.D. is a Psychiatry Physician provider in San Francisco, CA (NPI 1083736938).

Provider details

NPI number: 1083736938
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D., PH.D.
Sex: Male
Sole proprietor: No
License: A96595 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense A96595 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

401 Parnassus

Box 0984-Rtp

San Francisco, CA 94143-0984

Phone: (415) 476-7577

Street-level locationGet directions

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Mailing address