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William Farrar, MD
NPI 1659414100 · Gastroenterology Physician · Denver, CO
William Farrar, MD is a Gastroenterology Physician provider in Denver, CO (NPI 1659414100).
Provider details
- NPI number
- 1659414100
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23602 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2045 Franklin St
Gastroenterology Department
Denver, CO 80205-5437
Phone: (303) 861-3655
Street-level locationGet directions
Mailing address
2045 Franklin St
Denver, CO 80205-5437
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2007-07-14
Frequently asked questions
- What is William Farrar's NPI number?
- William Farrar's National Provider Identifier (NPI) is 1659414100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Farrar's specialty?
- William Farrar is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Farrar located?
- William Farrar's practice location on file with NPPES is 2045 Franklin St, Denver, CO 80205-5437.
- What is William Farrar's phone number?
- The practice phone number listed in the NPPES registry for William Farrar is (303) 861-3655.
- Is William Farrar's NPI active?
- Yes — William Farrar's NPI (1659414100) is active in the NPPES registry as of the last update on 2007-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.