Janelle Tychnowitz, RN, CPN, PNP
NPI 1184857336 · Pediatric Nurse Practitioner · Stony Brook, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janelle Tychnowitz, RN, CPN, PNP is a Pediatric Nurse Practitioner provider in Stony Brook, NY (NPI 1184857336).
Provider details
- NPI number
- 1184857336
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, CPN, PNP
- Sex
- Female
- Sole proprietor
- No
- License
- F382571-1 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-09-03
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Janelle Tychnowitz's NPI number?
- Janelle Tychnowitz's National Provider Identifier (NPI) is 1184857336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janelle Tychnowitz's specialty?
- Janelle Tychnowitz is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janelle Tychnowitz located?
- Janelle Tychnowitz's practice location on file with NPPES is Po Box 1559, Stony Brook, NY 11790-0989.
- What is Janelle Tychnowitz's phone number?
- The practice phone number listed in the NPPES registry for Janelle Tychnowitz is (631) 444-0650.
- Does Janelle Tychnowitz accept Medicare?
- Janelle Tychnowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janelle Tychnowitz's NPI active?
- Yes — Janelle Tychnowitz's NPI (1184857336) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.