NPPES file of Aug 9, 2026

Matthew Seiffert, M.D.

Family Medicine Physician · Ellenville, NY

Matthew Seiffert, M.D. is a family medicine physician with a practice address in Ellenville, New York, and NPI 1659725992, issued on Apr 22, 2016. Check the license (New York 300479, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1659725992
Name
Matthew Seiffert
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
300479 NY
Self-reported in NPPES; status is on the state search
Practice location
6 Healthy Way, Ellenville, NY 12428
Phone
(845) 647-4500
Enumerated
Apr 22, 2016
Record last updated
Aug 30, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(845) 647-7632
Medicare enrollment
Enrolled (PECOS I20191001003001); 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 6 Healthy Way

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

  1. Trissa Adams, PMHNPPsychiatric/Mental Health Nurse Practitioner1598147258
  2. Tashana AldeusSocial Worker1932951571
  3. Aissa Ali, MDStudent in an Organized Health Care Education/Training Program1073361770
  4. Amy Baracks, MSWClinical Social Worker1780040857
  5. Matthew Betschart, DOFamily Medicine Physician1245973981
  6. Santiago DiazGeneral Practice Registered Nurse1053237008

Verify Matthew Seiffert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 300479
    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
Open 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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70% more Medicare Part D claims than the average family medicine physician in 2024

6,030 Medicare Part D claims for 922 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 400 claims were for opioids.

  1. Matthew Seiffert6,030
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium254 claims
  2. Eliquis194 claims
  3. Amlodipine Besylate193 claims
  4. Losartan Potassium166 claims
  5. Gabapentin143 claims
  6. Levothyroxine Sodium131 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.

Bills Medicare through 2 group practices

  1. Hurley Ave Family Med PLLCKingston, NY
  2. Hurley Avenue Medicine Community CareKingston, NY

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

Matthew Seiffert among 6,417 family medicine physician records in New York

Matthew Seiffert, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2014 · median 2007 among the 4,188 with a school on file
  • Record last updated2019 · 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 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 family medicine physician records list a practice address in Ellenville

They are 7 of the 170 NPPES records with a practice address in Ellenville, and 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Betschart, DOEllenville, NY 124281245973981
  2. Devon Craft, DOEllenville, NY 124281831576412
  3. Vidyadhara Kagali, M.D.Ellenville, NY 124281295997716
  4. Smita Kumar, MDEllenville, NY 124281134700867
  5. Joseph Piet, DOEllenville, NY 124281568412302
  6. Wilbert Williams, MDEllenville, NY 124281326114174
  7. Amelia Maas, M.B. B.S.Esopus, NY 124291316205420
  8. Jonathan Zimmerman, MDEsopus, NY 124291841266475

Common questions

What is Matthew Seiffert, M.D.'s NPI number?

Matthew Seiffert, M.D.'s National Provider Identifier (NPI) is 1659725992, issued on Apr 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Seiffert, M.D. located?

The NPPES record lists a practice address at 6 Healthy Way, Ellenville, NY, 12428. Phone: (845) 647-4500. Providers update this record themselves, so call before visiting.

How can I verify Matthew Seiffert, M.D.'s license?

NPPES lists New York license number 300479, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Matthew Seiffert, M.D. prescribe under Medicare Part D?

In 2024, Matthew Seiffert, M.D. had 6,030 Medicare Part D claims for 922 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.