William Hernandez, MD
NPI 1669554044 · Family Medicine Physician · Norwich, CT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hernandez, MD is a Family Medicine Physician provider in Norwich, CT (NPI 1669554044).
Provider details
- NPI number
- 1669554044
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 024716 (CT)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2009-03-09
Frequently asked questions
- What is William Hernandez's NPI number?
- William Hernandez's National Provider Identifier (NPI) is 1669554044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hernandez's specialty?
- William Hernandez is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Hernandez located?
- William Hernandez's practice location on file with NPPES is 606 West Main Street, Norwich, CT 06360.
- What is William Hernandez's phone number?
- The practice phone number listed in the NPPES registry for William Hernandez is (860) 889-1400.
- Does William Hernandez accept Medicare?
- William Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hernandez's NPI active?
- Yes — William Hernandez's NPI (1669554044) is active in the NPPES registry as of the last update on 2009-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.