What is John Preston's NPI number?

John Preston's National Provider Identifier (NPI) is 1932374238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Preston's specialty?

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

Where is John Preston located?

John Preston's practice location on file with NPPES is 480 Alta Road, San Diego, CA 92179.

What is John Preston's phone number?

The practice phone number listed in the NPPES registry for John Preston is (619) 661-6500.

Is John Preston's NPI active?

Yes — John Preston's NPI (1932374238) is active in the NPPES registry as of the last update on 2008-04-28.

IndividualActive

John Preston, M.D.

NPI 1932374238 · Psychiatry Physician · San Diego, CA

John Preston, M.D. is a Psychiatry Physician provider in San Diego, CA (NPI 1932374238).

Provider details

NPI number: 1932374238
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: G63929 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense G63929 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(87/100 index)

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

Registry tenure38% of score
18 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

480 Alta Road

San Diego, CA 92179

Phone: (619) 661-6500

Street-level locationGet directions

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Mailing address