NPPES file of Aug 9, 2026

Gregory S. Nishimura, M.D.

Surgery Physician · Hewlett, NY

Gregory S. Nishimura, M.D. is a surgery physician with a practice address in Hewlett, New York, and NPI 1881744795, issued on Jan 11, 2007. Check the license (New York 217807, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881744795
Name
Gregory S. Nishimura
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
217807 NY
Self-reported in NPPES; status is on the state search
Practice location
1420 Broadway, Hewlett, NY 11557
Phone
(516) 374-8631
Enumerated
Jan 11, 2007
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
02153051 NY
Medicare enrollment
Enrolled (PECOS I20260416000002); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest surgery physician records → All 2,053 in New York → Look up another NPI →

Also registered at 1420 Broadway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lawrence Gottlieb, MDInternal Medicine Physician1154305209
  2. Robin Huang, MDSurgery Physician1699958645
  3. Jordan Kramer, M.D.Internal Medicine Physician1407911456
  4. Andre Serrette, MDGeriatric Medicine (Family Medicine) Physician1558522888
  5. Rajeev Vohra, M.D.Surgery Physician1760478978

Verify Gregory S. Nishimura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 217807    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Medxcare Health ProfessionalsSanta Cruz, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory S. Nishimura among 2,053 surgery physician records in New York

Gregory S. Nishimura, M.D. is one of 2,053 surgery physician records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 43% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1994 · median 2002 among the 1,212 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in New York

There are 2,053 surgery physician records in New York.

All 2,053 in New York → Every provider in Hewlett → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Robin Huang, MDHewlett, NY 115571699958645
  2. Brett Simenhoff, MDHewlett, NY 115571710340021
  3. Rajeev Vohra, M.D.Hewlett, NY 115571760478978
  4. Greg Saggio, D.O.Island Park, NY 115581700160132
  5. Moo Young Jun, MDLawrence, NY 115591336245604
  6. Lambros Angus, M.D.East Meadow, NY 115541205802493
  7. Leonard Barrett, M.D.East Meadow, NY 115541427025832
  8. Richard Batista, M.D.East Meadow, NY 115541497722474

Common questions

What is Gregory S. Nishimura, M.D.'s NPI number?

Gregory S. Nishimura, M.D.'s National Provider Identifier (NPI) is 1881744795, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Nishimura, M.D. located?

The NPPES record lists a practice address at 1420 Broadway, Hewlett, NY, 11557. Phone: (516) 374-8631. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Nishimura, M.D.'s license?

NPPES lists New York license number 217807, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.