John Tarr, MD
NPI 1538127584 · Family Medicine Physician · Gunnison, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Tarr, MD is a Family Medicine Physician provider in Gunnison, CO (NPI 1538127584).
Provider details
- NPI number
- 1538127584
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16817 (CO)
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
- 2006-05-01
- Last updated
- 2011-12-22
Frequently asked questions
- What is John Tarr's NPI number?
- John Tarr's National Provider Identifier (NPI) is 1538127584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tarr's specialty?
- John Tarr is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Tarr located?
- John Tarr's practice location on file with NPPES is 130 E Virginia Ave, Gunnison, CO 81230-2246.
- What is John Tarr's phone number?
- The practice phone number listed in the NPPES registry for John Tarr is (970) 641-0211.
- Does John Tarr accept Medicare?
- John Tarr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Tarr's NPI active?
- Yes — John Tarr's NPI (1538127584) is active in the NPPES registry as of the last update on 2011-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.