William Tanguay, M.D.
NPI 1629073424 · Internal Medicine Physician · Haverhill, MA
William Tanguay, M.D. is a Internal Medicine Physician provider in Haverhill, MA (NPI 1629073424).
Provider details
- NPI number
- 1629073424
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36854 (MA)
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
21 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
- 2005-06-17
- Last updated
- 2012-11-21
Frequently asked questions
- What is William Tanguay's NPI number?
- William Tanguay's National Provider Identifier (NPI) is 1629073424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tanguay's specialty?
- William Tanguay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Tanguay located?
- William Tanguay's practice location on file with NPPES is 1 Parkway, Haverhill, MA 01830-6278.
- What is William Tanguay's phone number?
- The practice phone number listed in the NPPES registry for William Tanguay is (978) 521-3270.
- Is William Tanguay's NPI active?
- Yes — William Tanguay's NPI (1629073424) is active in the NPPES registry as of the last update on 2012-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.