Thomas Colby, M.D.
NPI 1871575746 · Anatomic Pathology & Clinical Pathology Physician · Phoenix, AZ
Thomas Colby, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Phoenix, AZ (NPI 1871575746).
Provider details
- NPI number
- 1871575746
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17080 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-16
- Last updated
- 2020-08-04
- Certified
- 2020-08-04
Frequently asked questions
- What is Thomas Colby's NPI number?
- Thomas Colby's National Provider Identifier (NPI) is 1871575746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Colby's specialty?
- Thomas Colby is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Colby located?
- Thomas Colby's practice location on file with NPPES is 424 S 56th St Ste 120, Phoenix, AZ 85034-2177.
- What is Thomas Colby's phone number?
- The practice phone number listed in the NPPES registry for Thomas Colby is (602) 685-5211.
- Is Thomas Colby's NPI active?
- Yes — Thomas Colby's NPI (1871575746) is active in the NPPES registry as of the last update on 2020-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.