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GRIGORY LEONTYEV MD
NPI 1346322054
Surgery in Oceanside, NY

Active since October 20, 2006PECOS Enrolled
3304 PARK AVE, OCEANSIDE, NY 11572(516) 270-2126(516) 255-2072 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Grigory Leontyev Md NPPES

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

GRIGORY LEONTYEV MD (NPI 1346322054) is an individual surgery provider in Oceanside, New York, licensed in New York (228112-1) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346322054
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameGRIGORY LEONTYEVCredential: MD
Location Address3304 PARK AVEOceanside, NY 11572-4352
Mailing Address3304 Park AveOceanside, NY 11572-4352 · (516) 270-2126 · Fax (516) 255-2072
Phone(516) 270-2126
Fax(516) 255-2072
Sole ProprietorYes
Enumeration DateOctober 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1346322054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NY · 228112-1
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
3304 PARK AVE, Oceanside, NY 11572
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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)

Grigory Leontyev Md 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 Reassignments

3

Medicare enrollment records show Grigory Leontyev reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nightwatch Medicine PLLC
18 mi
Internal Medicine
2 DEWBERRY CT
Dix Hills, NY 11746
  • Reassigned Medicare billing, New York enrollment
  • 16 clinicians in this Medicare group
NPI 1184321739 (516) 643-2513
Lwhmedical PC
19 mi
Family Medicine
1811 HONE AVE
Bronx, NY 10461
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Lwh Medical PC
  • 29 clinicians in this Medicare group
NPI 1184968232 (718) 518-1133
Bronxcare Health System
20 mi
Psychiatry
1276 FULTON AVE
Bronx, NY 10456
  • Reassigned Medicare billing, New York enrollment
  • 795 clinicians in this Medicare group
NPI 1073806519 (718) 901-8920

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 11572 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
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grigory Leontyev's NPI number?

The NPI number for Grigory Leontyev is 1346322054. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Grigory Leontyev located?

Grigory Leontyev practices at 3304 Park Ave, Oceanside, NY 11572. The listed phone number is (516) 270-2126.

What is Grigory Leontyev's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Grigory Leontyev enrolled in Medicare?

Yes. Grigory Leontyev is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Grigory Leontyev's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grigory Leontyev reassigns Medicare benefits to 3 organizations: Nightwatch Medicine PLLC (Dix Hills, NY), Lwhmedical PC (Bronx, NY) and Bronxcare Health System (Bronx, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grigory Leontyev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Grigory Leontyev was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.