NPPES file of Aug 9, 2026

Mary Schaeffer, NP

Psychiatric/Mental Health Nurse Practitioner · New York, NY

Mary Schaeffer, NP is a psychiatric/mental health nurse practitioner with a practice address in New York, New York, and NPI 1396984787, issued on Feb 10, 2009. Check the license (New York F-401179, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396984787
Name
Mary Schaeffer
Credential
NP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
F-401179 NY
Self-reported in NPPES; status is on the state search
Practice location
423 E 23RD St, New York, NY 10010
Phone
(212) 686-7500
Enumerated
Feb 10, 2009
Record last updated
May 22, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120214000604); 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.
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8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →

Also registered at 423 E 23RD St

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

  1. Shackera Abbott-Barcoo, RRTGeneral Care Registered Respiratory Therapist1972836682
  2. Joycelyn Adams, OTAOccupational Therapy Assistant1891750709
  3. Julia Agee, MDNeurology Physician1497246003
  4. Hubimer Aguirre, DPTPhysical Therapist1891375861
  5. Syeda Ahmed, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1386696094
  6. Tasneem Ahmed, MDRheumatology Physician1598261265

Verify Mary Schaeffer 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 F-401179    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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Bills Medicare through one group practice

  1. Physician Affiliate Group OF New York PCBrooklyn, NY

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

Mary Schaeffer among 4,129 psychiatric/mental health nurse practitioner records in New York

Mary Schaeffer, NP is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 16% of them.

  • NPI issued2009 · 16% of these records are older, 82% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2018 · median 2021 among the 1,914 with a school on file
  • Record last updated2013 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in New York

There are 4,129 psychiatric/mental health nurse practitioner records in New York.

All 4,129 in New York → Every provider in New York → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Shannon CarrollNew York, NY 100101932515962
  2. Marion Creasap, NPNew York, NY 100101023272739
  3. Napoleon Deveyra, RN, PHN, NPNew York, NY 100101639428659
  4. Susan Gisonda, DNP, RN, PMHNP-BCNew York, NY 100101720389356
  5. Mark Hall, PMHNP, NPPNew York, NY 100101598193989
  6. Bernadette Kwitonda, N.P.New York, NY 100101962761726
  7. Madeleine Lloyd, FNP MHNPNew York, NY 100101457449019
  8. Martha McNiff, NPNew York, NY 100101518923358

Common questions

What is Mary Schaeffer, NP's NPI number?

Mary Schaeffer, NP's National Provider Identifier (NPI) is 1396984787, issued on Feb 10, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mary Schaeffer, NP located?

The NPPES record lists a practice address at 423 E 23RD St, New York, NY, 10010. Phone: (212) 686-7500. Providers update this record themselves, so call before visiting.

How can I verify Mary Schaeffer, NP's license?

NPPES lists New York license number F-401179, 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. 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.