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

DR. GREGORY CHARLES UTZ MD
NPI 1790756823
Internal Medicine - Infectious Disease in San Diego, CA

Q: What is Gregory Utz's NPI number?

The NPI number for Gregory Utz is 1790756823. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Q: What is Gregory Utz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Utz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.

Active since January 27, 2006

34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL SERVICES, SAN DIEGO, CA 92134(619) 532-6460(619) 532-6299 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Dr. Gregory Charles Utz Md NPPES

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

DR. GREGORY CHARLES UTZ MD (NPI 1790756823) is an individual infectious disease provider in San Diego, California, licensed in Washington (MD00030226) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1790756823

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. GREGORY CHARLES UTZCredential: MD

Location Address34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL SERVICESSan Diego, CA 92134-1098

Mailing Address34800 Bob Wilson Dr, Nmcsd, Attn: Medical ServicesSan Diego, CA 92134-1098 · (619) 532-6460 · Fax (619) 532-6299

Phone(619) 532-6460

Fax(619) 532-6299

Sole ProprietorNo

Enumeration DateJanuary 27, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1790756823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in WA · MD00030226

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD00030226 (WA)

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)