NPPES file of Aug 9, 2026

Denise Ythier, P.A.

Physician Assistant · White Plains, NY

Denise Ythier, P.A. is a physician assistant with a practice address in White Plains, New York, and NPI 1023018702, issued on Jul 26, 2005. Check the license (New York 003280, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023018702
Name
Denise Ythier
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
003280 NY
Self-reported in NPPES; status is on the state search
Practice location
3 Barker Ave, White Plains, NY 10601
Phone
(914) 949-1199
Enumerated
Jul 26, 2005
Record last updated
Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(914) 949-1245
Medicaid ID
01819724 NY
Medicare enrollment
Enrolled (PECOS I20100115000647); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 3 Barker Ave

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

  1. Nina Abramova, FNP-CFamily Nurse Practitioner1457686743
  2. Fayez Ali, M.D.Internal Medicine Physician1962439638
  3. Diane Ardito, PH DClinical Psychologist1548286750
  4. Barbara Ayew, NPAdult Health Nurse Practitioner1457448953
  5. Jessica Babich, N.P.Adult Health Nurse Practitioner1457389876
  6. Naresh Bahl, NPAdult Health Nurse Practitioner1104957927

Verify Denise Ythier 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 003280
    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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62% fewer Medicare Part D claims than the average physician assistant in 2024

318 Medicare Part D claims for 155 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Denise Ythier318
  2. Specialty average830

Most prescribed

  1. Gavilyte-G45 claims
  2. Linzess27 claims
  3. Famotidine26 claims
  4. Omeprazole20 claims
  5. Pantoprazole Sodium16 claims
  6. Creon13 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.

Industry payments in 2024: $155.57

3 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Denise Ythier$155.57
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Westchester Medical Center Advanced Physician Services PCValhalla, NY

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

Denise Ythier among 15,555 physician assistant records in New York

Denise Ythier, P.A. is one of 15,555 physician assistant 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 99% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1987 · median 2018 among the 8,158 with a school on file
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 physician assistant records list a practice address in White Plains

They are 48 of the 4,065 NPPES records with a practice address in White Plains, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Alexandra Archer, PAWhite Plains, NY 106011881898708
  2. Vincent Battiato, PA-CWhite Plains, NY 106011821595133
  3. Danielle Calvano, PAWhite Plains, NY 106011124062237
  4. Denise Chen, RPA-CWhite Plains, NY 106011508891821
  5. Caitlin Ferguson, PA-CWhite Plains, NY 106011588155634
  6. Erika Green, PA-CWhite Plains, NY 106011730319989
  7. Cindy Guerrero, PA-CWhite Plains, NY 106011457988404
  8. Alexandra Krempa, PA-C, MSWhite Plains, NY 106011265597892

Common questions

What is Denise Ythier, P.A.'s NPI number?

Denise Ythier, P.A.'s National Provider Identifier (NPI) is 1023018702, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Denise Ythier, P.A. located?

The NPPES record lists a practice address at 3 Barker Ave, White Plains, NY, 10601. Phone: (914) 949-1199. Providers update this record themselves, so call before visiting.

How can I verify Denise Ythier, P.A.'s license?

NPPES lists New York license number 003280, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Denise Ythier, P.A. prescribe under Medicare Part D?

In 2024, Denise Ythier, P.A. had 318 Medicare Part D claims for 155 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.

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.