Kathryn Fassnacht, CPNP
NPI 1932445509 · Pediatric Nurse Practitioner · East Setauket, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Fassnacht, CPNP is a Pediatric Nurse Practitioner provider in East Setauket, NY (NPI 1932445509).
Provider details
- NPI number
- 1932445509
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 38 382333 (NY)
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
13 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
- 2012-12-29
- Last updated
- 2015-05-05
Frequently asked questions
- What is Kathryn Fassnacht's NPI number?
- Kathryn Fassnacht's National Provider Identifier (NPI) is 1932445509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Fassnacht's specialty?
- Kathryn Fassnacht is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Fassnacht located?
- Kathryn Fassnacht's practice location on file with NPPES is 37 Research Way, East Setauket, NY 11733-3465.
- What is Kathryn Fassnacht's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Fassnacht is (631) 444-7884.
- Does Kathryn Fassnacht accept Medicare?
- Kathryn Fassnacht is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Fassnacht's NPI active?
- Yes — Kathryn Fassnacht's NPI (1932445509) is active in the NPPES registry as of the last update on 2015-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.