DR. JOHN BARNARD WELSH MD, PHD
NPI 1093042830
Pathology - Anatomic Pathology & Clinical Pathology in San Diego, CA

Active since November 16, 2009
6340 SEQUENCE DR, SAN DIEGO, CA 92121(619) 209-1910 Get Directions Write a Review

NPPES record last updated: July 11, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John Barnard Welsh Md, Phd NPPES

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

DR. JOHN BARNARD WELSH MD, PHD (NPI 1093042830) is an individual anatomic pathology & clinical pathology provider in San Diego, California, licensed in California (A64058) and active in the NPI registry since November 2009.

NPPES Registry Identity

NPI1093042830
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. JOHN BARNARD WELSHCredential: MD, PHD
Location Address6340 SEQUENCE DRSan Diego, CA 92121-4356
Mailing Address6340 Sequence DrSan Diego, CA 92121-4356 · (213) 444-1415
Sole ProprietorYes
Enumeration DateNovember 16, 2009
Last NPPES UpdateJuly 11, 2022
NPPES CertifiedJuly 11, 2022
NPI 1093042830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in CA · A64058
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
6340 SEQUENCE DR, San Diego, CA 92121

Other Providers at the Same Location NPPES 3

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

Durable Medical Equipment & Medical Supplies
6340 SEQUENCE DR
SAN DIEGO, CA 92121
Internal Medicine (Endocrinology, Diabetes & Metabolism)
6340 SEQUENCE DR
SAN DIEGO, CA 92121
Nurse Practitioner (Family)
6340 SEQUENCE DR
SAN DIEGO, CA 92121

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 Welsh's NPI number?

The NPI number for John Welsh is 1093042830. It was assigned to this individual provider in the NPPES registry on November 16, 2009.

Where is John Welsh located?

John Welsh practices at 6340 Sequence Dr, San Diego, CA 92121. The listed phone number is (619) 209-1910.

What is John Welsh's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for John Welsh was last updated on July 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.