NPPES file of Aug 9, 2026

Michelle Hammer, NP

Gerontology Nurse Practitioner · New York, NY

Michelle Hammer, NP is a gerontology nurse practitioner with a practice address in New York, New York, and NPI 1225169584, issued on Mar 8, 2007. Check the license (New York 340632, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1225169584
Name
Michelle Hammer
Credential
NP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
340632 NY
400939 NY
Self-reported in NPPES; status is on the state search
Practice location
122 W 27TH St, New York, NY 10001
Phone
(212) 691-2900
Enumerated
Mar 8, 2007
Record last updated
Sep 11, 2025
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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8 nearest gerontology nurse practitioner records → All 392 in New York → Look up another NPI →

Also registered at 122 W 27TH St

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

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  4. Katy Goodman, LMSWClinical Social Worker1962706150
  5. Nina Kaminsky, LCSWClinical Social Worker1730355843
  6. Keith Mc Aree, MA; CASACAddiction (Substance Use Disorder) Counselor1720255136

Verify Michelle Hammer 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 340632    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.

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Michelle Hammer among 392 gerontology nurse practitioner records in New York

Michelle Hammer, NP is one of 392 gerontology nurse practitioner records with a practice address in New York. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 64% newer
  • In a Medicare fileNo · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · 37% of these records are
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in New York

There are 392 gerontology nurse practitioner records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 392 in New York → Every provider in New York → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. James Budis, NPNew York, NY 100011134108020
  2. Mary Geoghegan, NPNew York, NY 100011518112192
  3. Kathy Simone, NPNew York, NY 100011760538987
  4. Judith Parker, NPNew York, NY 100021033487673
  5. Patricia Deane, GNPNew York, NY 100061851431951
  6. Lina Camagay-Montante, DNP, MSN, GNP-BCNew York, NY 100101457426371
  7. Maureen Clarke-Holder, NPNew York, NY 100101588612352
  8. Therese Cortez, NPNew York, NY 100101366548786

Common questions

What is Michelle Hammer, NP's NPI number?

Michelle Hammer, NP's National Provider Identifier (NPI) is 1225169584, issued on Mar 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Hammer, NP located?

The NPPES record lists a practice address at 122 W 27TH St, New York, NY, 10001. Phone: (212) 691-2900. Providers update this record themselves, so call before visiting.

How can I verify Michelle Hammer, NP's license?

NPPES lists New York license number 340632, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity 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. 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.