An Messer, PNP-PC
NPI 1417332537 · Pediatric Nurse Practitioner · New Haven, CT
An Messer, PNP-PC is a Pediatric Nurse Practitioner provider in New Haven, CT (NPI 1417332537).
Provider details
- NPI number
- 1417332537
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PNP-PC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 9465 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-07-30
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is An Messer's NPI number?
- An Messer's National Provider Identifier (NPI) is 1417332537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is An Messer's specialty?
- An Messer is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is An Messer located?
- An Messer's practice location on file with NPPES is 150 Sargent Dr, New Haven, CT 06511-6100.
- What is An Messer's phone number?
- The practice phone number listed in the NPPES registry for An Messer is (203) 777-7411.
- Is An Messer's NPI active?
- Yes — An Messer's NPI (1417332537) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.