1. Home
  2. Directory
  3. California
  4. Sonora
  5. Specialist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JAMES LEONARD COMAZZI M.D.
NPI 1144268392
Specialist in Sonora, CA

Active since June 02, 2006
900 GREENLEY RD, SUITE 911, SONORA, CA 95370(209) 532-0511(209) 532-6092 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James Leonard Comazzi M.d. NPPES

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

JAMES LEONARD COMAZZI M.D. (NPI 1144268392) is an individual specialist in Sonora, California, licensed in California (G39987) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1144268392
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameJAMES LEONARD COMAZZICredential: M.D.
Location Address900 GREENLEY RD, SUITE 911Sonora, CA 95370-5287
Mailing Address900 Greenley Rd, Suite 911Sonora, CA 95370-5287 · (209) 532-0511 · Fax (209) 532-6092
Phone(209) 532-0511
Fax(209) 532-6092
Sole ProprietorNo
Enumeration DateJune 2, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1144268392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · G39987
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
900 GREENLEY RD, Sonora, CA 95370
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G399870CA

Other Providers at the Same Location NPPES 16

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

SONORA COMMUNITY HOSPITAL
Internal Medicine (Cardiovascular Disease)
900 GREENLEY RD, SUITE 911
SONORA, CA 95370
Tuolumne County (209) 532-0511
MR. EDMAN FUENTES PAC
Physician Assistant (Surgical)
900 GREENLEY RD, SUITE 914
SONORA, CA 95370
Tuolumne County (925) 469-6274
DR. KEVIN A. ORCA PHARM.D.
Pharmacist
900 GREENLEY RD, STE 912
SONORA, CA 95370
Tuolumne County (209) 536-3700
MRS. JOANNE LINDA RIOS CNS
Clinical Nurse Specialist
900 GREENLEY RD, SUITE 905
SONORA, CA 95370
Tuolumne County (209) 536-3720
SHALOM EUGENE MARGOLIS M.D.
Specialist
900 GREENLEY RD, SUITE 911
SONORA, CA 95370
Tuolumne County (209) 532-0511
MEREDITH R MCBRIDE MD
Surgery (Vascular Surgery)
900 GREENLEY RD, SUITE 923
SONORA, CA 95370
Tuolumne County (209) 536-5090
WILLIAM G STONE MD
Surgery
900 GREENLEY RD
SONORA, CA 95370
Tuolumne County (605) 593-3688
ONCOLOGY GROUP INC.
Radiology (Radiation Oncology)
900 GREENLEY RD, SUITE 901
SONORA, CA 95370
Tuolumne County (209) 536-0223

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 James Comazzi's NPI number?

The NPI number for James Comazzi is 1144268392. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is James Comazzi located?

James Comazzi practices at 900 Greenley Rd Suite 911, Sonora, CA 95370. The listed phone number is (209) 532-0511.

What is James Comazzi's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for James Comazzi 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 22 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.