Leslie J. Parker, CSNP
Nurse Practitioner · Stony Brook, NY
Leslie J. Parker, CSNP is a nurse practitioner with a practice address in Stony Brook, New York, and NPI 1831268523, issued on Nov 7, 2006. Check the license (New York F4000881, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leslie J. Parker
- Credential
- CSNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- F4000881 NY
203396 NY
265410 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1212 Route 25A, Stony Brook, NY 11790
- Phone
- (631) 751-2892
- Enumerated
- Nov 7, 2006
- Record last updated
- Mar 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (631) 751-4148
- Medicare enrollment
- Enrolled (PECOS I20040610001492); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1212 Route 25A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Dunn, PHDPh.D. Medical Genetics1851539399
- Albert Fox, D.D.S.Dentist1912140195
- Patricia Meyer, NPPsychiatric/Mental Health Nurse Practitioner1013920933
- Christa Sinha, RN MS NPP CASACChild & Adolescent Psychiatric/Mental Health Registered Nurse1356527204
Verify Leslie J. Parker 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 F4000881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nurse practitioner in 2024
13 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
29 nurse practitioner records list a practice address in Stony Brook
They are 29 of the 3,053 NPPES records with a practice address in Stony Brook, and 3,097 nurse practitioner records in New York.
All 29 in Stony Brook → All 3,097 in New York → Every provider in Stony Brook →
Other nurse practitioner records in New York
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- Monique AbarcaSmithtown, NY1538766902
- Sharon Abayev, FNPForest Hills, NY1346062320
- Maura Abbott, NP, PHDNew York, NY1881876415
- Younes Abdulla, NPAmherst, NY1730018961
- Nataliya Abel, NPRocky Point, NY1295066405
- Cindy AbelidoGreat Neck, NY1003582156
- Eric AblordeyMiddletown, NY1710820154
- Michael AboagyeMiller Place, NY1538448501
- Elsamma Abraham, ANPNew York, NY1043461668
Common questions
What is Leslie J. Parker, CSNP's NPI number?
Leslie J. Parker, CSNP's National Provider Identifier (NPI) is 1831268523, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie J. Parker, CSNP located?
The NPPES record lists a practice address at 1212 Route 25A, Stony Brook, NY, 11790. Phone: (631) 751-2892. Providers update this record themselves, so call before visiting.
How can I verify Leslie J. Parker, CSNP's license?
NPPES lists New York license number F4000881, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Leslie J. Parker, CSNP prescribe under Medicare Part D?
In 2024, Leslie J. Parker, CSNP had 13 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.