Peter L. Mermelstein, NP
Adult Health Nurse Practitioner · Ronkonkoma, NY
Peter L. Mermelstein, NP is an adult health nurse practitioner with a practice address in Ronkonkoma, New York, and NPI 1164855524, issued on Aug 20, 2013. Check the license (New York F306532, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peter L. Mermelstein
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- F306532 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3505 Veterans Memorial Hwy, Ronkonkoma, NY 11779
- Phone
- (631) 676-7656
- Enumerated
- Aug 20, 2013
- Record last updated
- Aug 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (631) 676-7648
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 3505 Veterans Memorial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wei Kao, M.D.Internal Medicine Physician1629295571
- Guylaine Saintilien, PA-C, DMSCMedical Physician Assistant1144565730
Verify Peter L. Mermelstein 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 F306532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
213 Medicare Part D claims for 95 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefpodoxime Proxetil15 claims
- Amoxicillin-Clavulanate Potass12 claims
- Pantoprazole Sodium11 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.
Peter L. Mermelstein among 6,028 adult health nurse practitioner records in New York
Peter L. Mermelstein, NP is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 43% of them.
- NPI issued2013 · 43% of these records are older, 52% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in New York
There are 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in Ronkonkoma → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Joanne Hayes, N.P.Ronkonkoma, NY 117791578686457
- Karen Pace, NPRonkonkoma, NY 117791528311800
- Audrey Fisher, ANPSaint James, NY 117801164818845
- David Levy, R.N.,APN-BCSaint James, NY 117801881919470
- Stephanie Wanlass, AGNP-CRocky Point, NY 117781720716988
- Jennette Zubeck, NP, RNRocky Point, NY 117781083886378
- Theresa Aiello, NPPort Jefferson, NY 117771386096881
- Michelle Byrne, ANPPort Jefferson, NY 117771750769808
Common questions
What is Peter L. Mermelstein, NP's NPI number?
Peter L. Mermelstein, NP's National Provider Identifier (NPI) is 1164855524, issued on Aug 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Peter L. Mermelstein, NP located?
The NPPES record lists a practice address at 3505 Veterans Memorial Hwy, Ronkonkoma, NY, 11779. Phone: (631) 676-7656. Providers update this record themselves, so call before visiting.
How can I verify Peter L. Mermelstein, NP's license?
NPPES lists New York license number F306532, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Peter L. Mermelstein, NP prescribe under Medicare Part D?
In 2024, Peter L. Mermelstein, NP had 213 Medicare Part D claims for 95 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.