William Howland, M.D.
NPI 1134189319 · Anatomic Pathology & Clinical Pathology Physician · Boulder, CO
William Howland, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Boulder, CO (NPI 1134189319).
Provider details
- NPI number
- 1134189319
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 23024 (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
- 2006-03-23
- Last updated
- 2016-03-22
Frequently asked questions
- What is William Howland's NPI number?
- William Howland's National Provider Identifier (NPI) is 1134189319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Howland's specialty?
- William Howland is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is William Howland located?
- William Howland's practice location on file with NPPES is 1100 Balsam Ave, Boulder, CO 80304-3404.
- What is William Howland's phone number?
- The practice phone number listed in the NPPES registry for William Howland is (303) 440-2320.
- Is William Howland's NPI active?
- Yes — William Howland's NPI (1134189319) is active in the NPPES registry as of the last update on 2016-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.