John Leventhal, MD
NPI 1801879622 · Pediatrics Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Leventhal, MD is a Pediatrics Physician provider in New Haven, CT (NPI 1801879622).
Provider details
- NPI number
- 1801879622
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 020734 (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
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
- 2005-11-25
- Last updated
- 2009-02-13
Frequently asked questions
- What is John Leventhal's NPI number?
- John Leventhal's National Provider Identifier (NPI) is 1801879622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Leventhal's specialty?
- John Leventhal is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is John Leventhal located?
- John Leventhal's practice location on file with NPPES is 789 Howard Ave, New Haven, CT 06519-1304.
- What is John Leventhal's phone number?
- The practice phone number listed in the NPPES registry for John Leventhal is (203) 688-2468.
- Does John Leventhal accept Medicare?
- John Leventhal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Leventhal's NPI active?
- Yes — John Leventhal's NPI (1801879622) is active in the NPPES registry as of the last update on 2009-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.