DR. JOHN A. THORSON MD, PHD
NPI 1225120454
Pathology - Clinical Pathology/Laboratory Medicine in San Diego, CA

Active since September 28, 2006
200 W ARBOR DR, SAN DIEGO, CA 92103(619) 543-7874 Get Directions Write a Review

NPPES record last updated: February 12, 2009. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. John A. Thorson Md, Phd NPPES

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

DR. JOHN A. THORSON MD, PHD (NPI 1225120454) is an individual clinical pathology/laboratory medicine provider in San Diego, California, licensed in California (A82079) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1225120454
Entity TypeIndividualMale
Primary Taxonomy207ZP0105X
Provider Legal NameDR. JOHN A. THORSONCredential: MD, PHD
Location Address200 W ARBOR DRSan Diego, CA 92103-9001
Mailing Address200 W Arbor DrSan Diego, CA 92103-9001 · (619) 543-7874
Sole ProprietorNo
Enumeration DateSeptember 28, 2006
Last NPPES UpdateFebruary 12, 2009
✔ NPI 1225120454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
Licenses✔ Licensed in CA · A82079✔ Licensed in MO · 2006023097✔ Licensed in MI · 4301081249
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.
Also ListedMedical Genetics · Molecular Genetic PathologyTaxonomy 207SM0001X · License A82079 (CA)
Also ListedPathology · Molecular Genetic PathologyTaxonomy 207ZP0007X · License 2006023097 (MO), 4301081249 (MI)
200 W ARBOR DR, San Diego, CA 92103

Other Identifiers 6

Medicare UPINH18399MO
Medicaid# PENDINGMO
Medicare UPINH18399MI
Medicare ID-Type Unspecified# PENDINGMO · Medicare Prov. #
Medicare ID-Type Unspecified0H16101084MI
Medicaid4544083MI

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.

Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
Physician Assistant (Surgical)
200 W ARBOR DR
SAN DIEGO, CA 92103

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 Thorson's NPI number?

The NPI number for John Thorson is 1225120454. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is John Thorson located?

John Thorson practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (619) 543-7874.

What is John Thorson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

When was this NPI record last updated?

The NPPES record for John Thorson was last updated on February 12, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.