John Daniel, MD
NPI 1558345918 · Adolescent Medicine (Family Medicine) Physician · Groton, CT
John Daniel, MD is a Adolescent Medicine (Family Medicine) Physician provider in Groton, CT (NPI 1558345918).
Provider details
- NPI number
- 1558345918
- Entity type
- Individual
- Primary specialty
- Adolescent Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- MD034609E (PA)
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
- 2005-11-30
- Last updated
- 2025-09-11
Frequently asked questions
- What is John Daniel's NPI number?
- John Daniel's National Provider Identifier (NPI) is 1558345918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Daniel's specialty?
- John Daniel is listed in the NPPES registry with a primary specialty of Adolescent Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Daniel located?
- John Daniel's practice location on file with NPPES is Trout Ave Bldg 141, Groton, CT 06349-5900.
- What is John Daniel's phone number?
- The practice phone number listed in the NPPES registry for John Daniel is (860) 694-2377.
- Is John Daniel's NPI active?
- Yes — John Daniel's NPI (1558345918) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.