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William Gefvert, DO
NPI 1629284344 · Internal Medicine Physician · Saco, ME
William Gefvert, DO is a Internal Medicine Physician provider in Saco, ME (NPI 1629284344).
Provider details
- NPI number
- 1629284344
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1058 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
655 Main St
Saco, ME 04072-1543
Phone: (207) 602-3571
Fax: (207) 602-3573
Street-level locationGet directions
Mailing address
Po Box 284
Brattleboro, VT 05302-0284
Registry dates
- Enumerated
- 2007-05-16
- Last updated
- 2013-02-05
Frequently asked questions
- What is William Gefvert's NPI number?
- William Gefvert's National Provider Identifier (NPI) is 1629284344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gefvert's specialty?
- William Gefvert is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Gefvert located?
- William Gefvert's practice location on file with NPPES is 655 Main St, Saco, ME 04072-1543.
- What is William Gefvert's phone number?
- The practice phone number listed in the NPPES registry for William Gefvert is (207) 602-3571.
- Is William Gefvert's NPI active?
- Yes — William Gefvert's NPI (1629284344) is active in the NPPES registry as of the last update on 2013-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.