William Herbert, MD
NPI 1134105075 · Vascular Surgery Physician · Portland, ME
William Herbert, MD is a Vascular Surgery Physician provider in Portland, ME (NPI 1134105075).
Provider details
- NPI number
- 1134105075
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 010628 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2005-12-22
- Last updated
- 2013-12-03
Frequently asked questions
- What is William Herbert's NPI number?
- William Herbert's National Provider Identifier (NPI) is 1134105075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Herbert's specialty?
- William Herbert is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Herbert located?
- William Herbert's practice location on file with NPPES is 887 Congress St, Portland, ME 04102-3100.
- What is William Herbert's phone number?
- The practice phone number listed in the NPPES registry for William Herbert is (207) 774-6368.
- Is William Herbert's NPI active?
- Yes — William Herbert's NPI (1134105075) is active in the NPPES registry as of the last update on 2013-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.