Registry data as of Aug 27, 2026

Michael Gugnishev, NP

Gerontology Nurse Practitioner · Brooklyn, NY

Michael Gugnishev, NP is a gerontology nurse practitioner with a practice address in Brooklyn, New York, and NPI 1245822204, issued on Feb 10, 2021. Check the license (New York F310109-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245822204
Name
Michael Gugnishev
Credential
NP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
F310109-01 NY
26NJ15120800 NJ
Self-reported in NPPES; status is on the state search
Practice location
4808 Fort Hamilton Pkwy, Brooklyn, NY 11219
Phone
(718) 283-6000
Enumerated
Feb 10, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4808 Fort Hamilton Pkwy

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

  1. Michelle Cheng, MDStudent in an Organized Health Care Education/Training Program1356289169
  2. Alan Chung, DOStudent in an Organized Health Care Education/Training Program1962255943
  3. Kristen KobayashiStudent in an Organized Health Care Education/Training Program1063095669
  4. Tiffany Nguyen, DOStudent in an Organized Health Care Education/Training Program1588503940
  5. Andrew RyuEmergency Medicine Physician1285337683
  6. Marike Saint-Pierre-MoussetStudent in an Organized Health Care Education/Training Program1811835291

Verify Michael Gugnishev in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license F310109-01
    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
Find 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.

96% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

51 Medicare Part D claims, against an average of 1,350 among the 5,732 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Michael Gugnishev51
  2. Specialty average1,350

Most prescribed

  1. Eliquis13 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.

One hospital or facility affiliation

  1. Maimonides Faculty Practice PlanBrooklyn, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gerontology Nurse Practitioner providers in New York

There are 449 gerontology nurse practitioner records in New York.

Other gerontology nurse practitioner records in New York

  1. Sandy Aaron, NURSE PRACTITIONERBrooklyn, NY1073251534
  2. Akosua Abankwah, NPNew York, NY1619281748
  3. Sumra Abbasi, NPValley Stream, NY1235760612
  4. Geraldine Abbatiello, PHD, GNP, PMHNPChappaqua, NY1235314352
  5. Jacqueline Abbatiello, NPWestbury, NY1316553399
  6. Titilola Abiodun-Adelokiki, NURSE PRACTITIONERStaten Island, NY1053645481
  7. Nana Acheampong, R.N, AGNP-CHuntington Station, NY1174893754
  8. Kristoffersen Acoba, MS, NP, AGPCNP-BCBrooklyn, NY1932754116
  9. Jennifer Adjara, NPAlbany, NY1659645158
  10. Nisha AdvaniNew York, NY1336849850

Common questions

What is Michael Gugnishev, NP's NPI number?

Michael Gugnishev, NP's National Provider Identifier (NPI) is 1245822204, issued on Feb 10, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Michael Gugnishev, NP located?

The NPPES record lists a practice address at 4808 Fort Hamilton Pkwy, Brooklyn, NY, 11219. Phone: (718) 283-6000. Providers update this record themselves, so call before visiting.

How can I verify Michael Gugnishev, NP's license?

NPPES lists New York license number F310109-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Gugnishev, NP prescribe under Medicare Part D?

In 2024, Michael Gugnishev, NP had 51 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,350. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.