William Longo, M.D.
NPI 1861471179 · Surgery Physician · Middletown, CT
William Longo, M.D. is a Surgery Physician provider in Middletown, CT (NPI 1861471179).
Provider details
- NPI number
- 1861471179
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 023666 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-01-13
- Last updated
- 2010-07-28
Frequently asked questions
- What is William Longo's NPI number?
- William Longo's National Provider Identifier (NPI) is 1861471179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Longo's specialty?
- William Longo is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Longo located?
- William Longo's practice location on file with NPPES is 520 Saybrook Rd, Middletown, CT 06457-4700.
- What is William Longo's phone number?
- The practice phone number listed in the NPPES registry for William Longo is (860) 346-2608.
- Is William Longo's NPI active?
- Yes — William Longo's NPI (1861471179) is active in the NPPES registry as of the last update on 2010-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.