NPPES file of Aug 9, 2026

Ruth Tyan, NP

Nurse Practitioner · Bronxville, NY

Ruth Tyan, NP is a nurse practitioner with a practice address in Bronxville, New York, and NPI 1003675935, issued on Mar 14, 2024. Check the license (New York 432957, 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
1003675935
Name
Ruth Tyan
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
432957 NY
819042 NY
Self-reported in NPPES; status is on the state search
Practice location
55 Palmer Ave, Bronxville, NY 10708
Phone
(914) 787-1000
Enumerated
Mar 14, 2024
Record last updated
Apr 18, 2024
Medicare enrollment
Enrolled (PECOS I20240522003580); 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 nurse practitioner records → All 3,097 in New York → Look up another NPI →

Also registered at 55 Palmer Ave

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

  1. George Adum-Kwapong, PA-CPhysician Assistant1689447773
  2. Sameer Aggarwal, M.D.Hospitalist Physician1699139972
  3. Valerie Alley, MDEmergency Medicine Physician1336232446
  4. Akua Ampadu, M.D.Internal Medicine Physician1144581570
  5. Chana Arno, PAPhysician Assistant1518735307
  6. Mauricio Ayala, PA-CSurgical Physician Assistant1295667376

Verify Ruth Tyan 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 432957    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. Lawrence Medical Associates PCBronxville, NY

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

Ruth Tyan among 3,097 nurse practitioner records in New York

Ruth Tyan, NP is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2023 · median 2017 among the 1,360 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in New York

There are 3,097 nurse practitioner records in New York.

All 3,097 in New York → Every provider in Bronxville → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Laetitia Kavanaght, NURSE PRACTITIONERBronxville, NY 107081477219020
  2. Elba MartinezBronxville, NY 107081396988473
  3. Shirley Stagner, ONPBronxville, NY 107081598905275
  4. Margie White, ANPBronxville, NY 107081619301108
  5. Goldie Alissandratos, NPYonkers, NY 107101548402928
  6. Alanna Campus, NPHastings On Hudson, NY 107061578481487
  7. Sharon George, RN, FNP-BCYonkers, NY 107051639739477
  8. Hillary Feder, M.S.Yonkers, NY 107031437105566

Common questions

What is Ruth Tyan, NP's NPI number?

Ruth Tyan, NP's National Provider Identifier (NPI) is 1003675935, issued on Mar 14, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Ruth Tyan, NP located?

The NPPES record lists a practice address at 55 Palmer Ave, Bronxville, NY, 10708. Phone: (914) 787-1000. Providers update this record themselves, so call before visiting.

How can I verify Ruth Tyan, NP's license?

NPPES lists New York license number 432957, 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.