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DR. JOHN CHARLES PRESTON III M.D.
NPI 1932374238
Psychiatry & Neurology - Psychiatry in San Diego, CA

Active since April 28, 2008
480 ALTA ROAD, SAN DIEGO, CA 92179(619) 661-6500 Get Directions Write a Review

NPPES record last updated: April 28, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Charles Preston Iii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN CHARLES PRESTON III M.D. (NPI 1932374238) is an individual psychiatry provider in San Diego, California, licensed in California (G63929) and active in the NPI registry since April 2008.

NPPES Registry Identity

NPI1932374238
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN CHARLES PRESTON IIICredential: M.D.
Location Address480 ALTA ROADSan Diego, CA 92179
Mailing Address480 Alta RoadSan Diego, CA 92179 · (619) 661-6500
Phone(619) 661-6500
Sole ProprietorYes
Enumeration DateApril 28, 2008
✔ NPI 1932374238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · G63929
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
480 ALTA ROAD, San Diego, CA 92179
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Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHARLES FIELDING MARSH M.D.
Psychiatry & Neurology (Psychiatry)
480 ALTA ROAD
SAN DIEGO, CA 92179
San Diego County (619) 661-6500
RUTH ANN VILLASENOR LCSW
Social Worker (Clinical)
480 ALTA ROAD
SAN DIEGO, CA 92179
San Diego County (619) 661-6500
CORRECTIONS AND REHABILITATION-HEADQUARTERS
Pharmacy
480 ALTA ROAD, PHARMACY BUILDING ROOM 122
SAN DIEGO, CA 92179
San Diego County (619) 661-6500
DR. MALVERN C HOLLAND JR. ED.D.
Psychologist (Clinical)
480 ALTA ROAD, R.J. DONOVAN CORRECTIONAL FACILITY
SAN DIEGO, CA 92179
San Diego County (619) 955-2622
DR. ALAN GREG SPRINGER PHARM. D.
Pharmacist
480 ALTA ROAD
SAN DIEGO, CA 92179
San Diego County (619) 661-6500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Preston's NPI number?

The NPI number for John Preston is 1932374238. It was assigned to this individual provider in the NPPES registry on April 28, 2008.

Where is John Preston located?

John Preston practices at 480 Alta Road, San Diego, CA 92179. The listed phone number is (619) 661-6500.

What is John Preston's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for John Preston was last updated on April 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.