Genevieve John, MD
NPI 1598809279 · Infectious Disease Physician · Fairfield, CT
Genevieve John, MD is a Infectious Disease Physician provider in Fairfield, CT (NPI 1598809279).
Provider details
- NPI number
- 1598809279
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 044651 (CT)
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
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
- 2007-02-16
- Last updated
- 2015-12-10
Frequently asked questions
- What is Genevieve John's NPI number?
- Genevieve John's National Provider Identifier (NPI) is 1598809279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Genevieve John's specialty?
- Genevieve John is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Genevieve John located?
- Genevieve John's practice location on file with NPPES is 2150 Black Rock Tpke, Fairfield, CT 06825-3239.
- What is Genevieve John's phone number?
- The practice phone number listed in the NPPES registry for Genevieve John is (203) 384-0451.
- Is Genevieve John's NPI active?
- Yes — Genevieve John's NPI (1598809279) is active in the NPPES registry as of the last update on 2015-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.