Janelle Lynn Tychnowitz, RN, CPN, PNP
Pediatric Nurse Practitioner · Stony Brook, NY
Janelle Lynn Tychnowitz, RN, CPN, PNP is a pediatric nurse practitioner with a practice address in Stony Brook, New York, and NPI 1184857336, issued on Sep 3, 2009. Check the license (New York F382571-1, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Janelle Lynn Tychnowitz
- Credential
- RN, CPN, PNP
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License numbers
- F382571-1 NY
544842-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 1559, Stony Brook, NY 11790
- Phone
- (631) 444-0650
- Enumerated
- Sep 3, 2009
- Record last updated
- Mar 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20260218000931); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 1,800 in New York → Look up another NPI →
Also registered at PO Box 1559
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Janelle Lynn Tychnowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F382571-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Janelle Lynn Tychnowitz among 1,800 pediatric nurse practitioner records in New York
Janelle Lynn Tychnowitz, RN, CPN, PNP is one of 1,800 pediatric nurse practitioner records with a practice address in New York. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 36% of them.
- NPI issued2009 · 36% of these records are older, 61% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 7% of these records are
- Graduated2003 · median 2018 among the 127 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 pediatric nurse practitioner records list a practice address in Stony Brook
They are 32 of the 3,053 NPPES records with a practice address in Stony Brook, and 1,800 pediatric nurse practitioner records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,800 in New York → Every provider in Stony Brook → Pediatric Nurse Practitioner nationwide →
The 8 pediatric nurse practitioner records with the nearest ZIP codes
- Kathleen Usmani, CPNPStony Brook, NY 117901427096742
- Kristen Allen, RN, PNPSyosset, NY 117911528255288
- Sara McGuire, NPWading River, NY 117921215938212
- Tara Cardillo, CPNPSmithtown, NY 117871740765973
- Laureen Catalano, NURSE PRACTITIONERSmithtown, NY 117871396876165
- Allison Hotze, CPNP-PCSmithtown, NY 117871710352620
- Christine Montierde, RNSmithtown, NY 117871760814800
- Judith Murphy, NPSmithtown, NY 117871215266515
Common questions
What is Janelle Lynn Tychnowitz, RN, CPN, PNP's NPI number?
Janelle Lynn Tychnowitz, RN, CPN, PNP's National Provider Identifier (NPI) is 1184857336, issued on Sep 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Janelle Lynn Tychnowitz, RN, CPN, PNP located?
The NPPES record lists a practice address at PO Box 1559, Stony Brook, NY, 11790. Phone: (631) 444-0650. Providers update this record themselves, so call before visiting.
How can I verify Janelle Lynn Tychnowitz, RN, CPN, PNP's license?
NPPES lists New York license number F382571-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.