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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

THOMAS MICHAEL JOHNSTONE MD
NPI 1477368298
General Practice in San Diego, CA

Active since February 10, 2025
34800 BOB WILSON DR, SAN DIEGO, CA 92134(408) 656-9934 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 8, 2026, Feb 10, 2025 (2 updates tracked since 2025).

About Thomas Michael Johnstone Md NPPES

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

THOMAS MICHAEL JOHNSTONE MD (NPI 1477368298) is an individual general practice provider in San Diego, California, licensed in Virginia (0101290187) and active in the NPI registry since February 2025.

NPPES Registry Identity

NPI1477368298
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameTHOMAS MICHAEL JOHNSTONECredential: MD
Location Address34800 BOB WILSON DRSan Diego, CA 92134-5000
Mailing Address34800 Bob Wilson DrSan Diego, CA 92134-5000 · (408) 656-9934
Phone(408) 656-9934
Sole ProprietorNo
Enumeration DateFebruary 10, 2025
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
✔ NPI 1477368298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in VA · 0101290187
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
34800 BOB WILSON DR, San Diego, CA 92134
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Other Providers at the Same Location NPPES 20

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

LORENA MARIE FUJII N.P.
Nurse Practitioner (Pediatrics)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-8910
LAKIESHA NICOLE MURPHY
Nurse's Aide
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 713-3385
SUSANNA BYRNE D.O.
Anesthesiology
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
DR. PAUL CHARLES CAMPBELL D.O.
Urology (Pediatric Urology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-7200
PHILLIP EDWARD FRY JR. DO
Emergency Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
BRADLY JAMES STILLEY IDC
Military Health Care Provider (Independent Duty Corpsman)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (360) 941-9989
DR. ELIZABETH WHIPPLE PHD
Military Health Care Provider
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
DR. ELAN HARDER BRESSLOUR-RASHAP MD
General Practice
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400

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 Thomas Johnstone's NPI number?

The NPI number for Thomas Johnstone is 1477368298. It was assigned to this individual provider in the NPPES registry on February 10, 2025.

Where is Thomas Johnstone located?

Thomas Johnstone practices at 34800 Bob Wilson Dr, San Diego, CA 92134. The listed phone number is (408) 656-9934.

What is Thomas Johnstone's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Thomas Johnstone was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.