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William Brubaker, M.D.
NPI 1740262559 · Internal Medicine Physician · Boulder, CO
William Brubaker, M.D. is a Internal Medicine Physician provider in Boulder, CO (NPI 1740262559).
Provider details
- NPI number
- 1740262559
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18089 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1155 Alpine Ave
Suite 360
Boulder, CO 80304-3495
Phone: (303) 442-8840
Fax: (303) 440-9629
Street-level locationGet directions
Mailing address
345 Maxwell Ave
Boulder, CO 80304-3972
Registry dates
- Enumerated
- 2005-11-17
- Last updated
- 2011-12-21
Frequently asked questions
- What is William Brubaker's NPI number?
- William Brubaker's National Provider Identifier (NPI) is 1740262559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Brubaker's specialty?
- William Brubaker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Brubaker located?
- William Brubaker's practice location on file with NPPES is 1155 Alpine Ave, Boulder, CO 80304-3495.
- What is William Brubaker's phone number?
- The practice phone number listed in the NPPES registry for William Brubaker is (303) 442-8840.
- Is William Brubaker's NPI active?
- Yes — William Brubaker's NPI (1740262559) is active in the NPPES registry as of the last update on 2011-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.