MR. PETER L MERMELSTEIN NP
NPI 1164855524
Nurse Practitioner - Adult Health in Ronkonkoma, NY

Q: What is Peter Mermelstein's NPI number?

The NPI number for Peter Mermelstein is 1164855524. It was assigned to this individual provider in the NPPES registry on August 20, 2013.

Q: What is Peter Mermelstein's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Peter Mermelstein was last updated on August 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 20, 2013PECOS Enrolled

3505 VETERANS MEMORIAL HWY, STE C, RONKONKOMA, NY 11779(631) 676-7656(631) 676-7648 Get Directions Write a Review

NPPES record last updated: August 20, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mr. Peter L Mermelstein Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. PETER L MERMELSTEIN NP (NPI 1164855524) is an individual adult health provider in Ronkonkoma, New York, licensed in New York (F306532) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164855524

Entity TypeIndividualMale

Primary Taxonomy363LA2200X

Provider Legal NameMR. PETER L MERMELSTEINCredential: NP

Location Address3505 VETERANS MEMORIAL HWY, STE CRonkonkoma, NY 11779-7640

Mailing Address3505 Veterans Memorial Hwy, Ste CRonkonkoma, NY 11779-7640 · (631) 676-7656 · Fax (631) 676-7648

Phone(631) 676-7656

Fax(631) 676-7648

Sole ProprietorNo

Enumeration DateAugust 20, 2013

✔ NPI 1164855524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in NY · F306532

3505 VETERANS MEMORIAL HWY, Ronkonkoma, NY 11779

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Peter L Mermelstein Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Peter Mermelstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Preferred Professional Medical Care PC

Same address

Internal Medicine

3505 VETERANS MEMORIAL HWY, SUITE C
Ronkonkoma, NY 11779

Reassigned Medicare billing, New York enrollment
19 clinicians in this Medicare group

NPI 1083916670 (631) 676-7656

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11779 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$922.57 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PREFERRED PROFESSIONAL MEDICAL CARE PC

Internal Medicine

3505 VETERANS MEMORIAL HWY, SUITE C
RONKONKOMA, NY 11779

Suffolk County (631) 676-7656

AMANDA ROSE DIDONATO PA-C

Physician Assistant (Medical)