Katherine Gruskay, PNP
NPI 1053840546 · Pediatric Nurse Practitioner · Branford, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Gruskay, PNP is a Pediatric Nurse Practitioner provider in Branford, CT (NPI 1053840546).
Provider details
- NPI number
- 1053840546
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 10.129329 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2265 3rd AveNew York, NY 10035-2231Phone: (860) 304-3202
Registry dates
- Enumerated
- 2017-06-08
- Last updated
- 2022-11-22
- Certified
- 2022-11-22
Frequently asked questions
- What is Katherine Gruskay's NPI number?
- Katherine Gruskay's National Provider Identifier (NPI) is 1053840546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Gruskay's specialty?
- Katherine Gruskay is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Gruskay located?
- Katherine Gruskay's practice location on file with NPPES is 682 E Main St, Branford, CT 06405-2907.
- What is Katherine Gruskay's phone number?
- The practice phone number listed in the NPPES registry for Katherine Gruskay is (203) 481-5591.
- Does Katherine Gruskay accept Medicare?
- Katherine Gruskay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Gruskay's NPI active?
- Yes — Katherine Gruskay's NPI (1053840546) is active in the NPPES registry as of the last update on 2022-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.