DR. THOMAS V COLBY M.D.
NPI 1871575746
Pathology - Anatomic Pathology & Clinical Pathology in Phoenix, AZ

Q: What is Thomas Colby's NPI number?

The NPI number for Thomas Colby is 1871575746. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Q: What is Thomas Colby's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Colby was last updated on August 4, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.

Active since November 16, 2005

424 S 56TH ST STE 120, PHOENIX, AZ 85034(602) 685-5211(602) 685-5325 Get Directions Write a Review

NPPES record last updated: August 4, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 4, 2020, Apr 12, 2019 (2 updates tracked since 2019).

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About Dr. Thomas V Colby M.d. NPPES

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

DR. THOMAS V COLBY M.D. (NPI 1871575746) is an individual anatomic pathology & clinical pathology provider in Phoenix, Arizona, licensed in Arizona (17080) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1871575746

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. THOMAS V COLBYCredential: M.D.

Location Address424 S 56TH ST STE 120Phoenix, AZ 85034-2177

Mailing AddressPo Box 42210Phoenix, AZ 85080-2210 · (602) 685-5211 · Fax (602) 685-5325

Phone(602) 685-5211

Fax(602) 685-5325

Sole ProprietorNo

Enumeration DateNovember 16, 2005

Last NPPES UpdateAugust 4, 20202 updates tracked since enumeration

NPPES CertifiedAugust 4, 2020

✔ NPI 1871575746 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 AZ · 17080

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.

424 S 56TH ST STE 120, Phoenix, AZ 85034

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Other Identifiers 3

Medicaid330556AZ

Other86080015085259A005AZ · Triwest

Other220011246AZ · Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..Insurance ›

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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.

DR. MARIA P ALZONA MD

Pathology (Anatomic Pathology & Clinical Pathology)