Maryellen Flaherty-Hewitt, MD
NPI 1598748451 · Pediatrics Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryellen Flaherty-Hewitt, MD is a Pediatrics Physician provider in New Haven, CT (NPI 1598748451).
Provider details
- NPI number
- 1598748451
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 040155 (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
- 2005-11-23
- Last updated
- 2007-10-12
Frequently asked questions
- What is Maryellen Flaherty-Hewitt's NPI number?
- Maryellen Flaherty-Hewitt's National Provider Identifier (NPI) is 1598748451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryellen Flaherty-Hewitt's specialty?
- Maryellen Flaherty-Hewitt is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Maryellen Flaherty-Hewitt located?
- Maryellen Flaherty-Hewitt's practice location on file with NPPES is 800 Howard Ave, New Haven, CT 06519-1369.
- What is Maryellen Flaherty-Hewitt's phone number?
- The practice phone number listed in the NPPES registry for Maryellen Flaherty-Hewitt is (203) 785-2140.
- Does Maryellen Flaherty-Hewitt accept Medicare?
- Maryellen Flaherty-Hewitt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryellen Flaherty-Hewitt's NPI active?
- Yes — Maryellen Flaherty-Hewitt's NPI (1598748451) is active in the NPPES registry as of the last update on 2007-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.