NPPES file of Aug 9, 2026

Mark Matiash, MD

Anesthesiology Physician · Nyack, NY

Mark Matiash, MD is an anesthesiology physician with a practice address in Nyack, New York, and NPI 1689661563, issued on Oct 5, 2005. Check the license (New York 216183, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689661563
Name
Mark Matiash
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
216183 NY
Self-reported in NPPES; status is on the state search
Practice location
160 N Midland Ave, Nyack, NY 10960
Phone
(845) 348-2862
Enumerated
Oct 5, 2005
Record last updated
Jul 13, 2026
Medicaid ID
02270735 NY
Medicare enrollment
Enrolled (PECOS I20110729000213); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1998
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 160 N Midland Ave

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

  1. Hassan Abdalla, MDInternal Medicine Physician1205464930
  2. Yveline Alteon, FNP-CFamily Nurse Practitioner1497536338
  3. Louis Andrews, MDAnesthesiology Physician1578504742
  4. Tiffany AnimRegistered Nurse1467380626
  5. Rachel Appel, PAPhysician Assistant1831147743
  6. Stephen Armstrong, PA-CPhysician Assistant1821830068

Verify Mark Matiash 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 216183
    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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Bills Medicare through one group practice

  1. North Shore - Lij Anesthesiology, PCForest Hills, NY

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

Mark Matiash among 5,062 anesthesiology physician records in New York

Mark Matiash, MD is one of 5,062 anesthesiology physician records with a practice address in New York. 77% 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, 84% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1998 · median 2006 among the 3,612 with a school on file
  • Record last updated2026 · 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 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 anesthesiology physician records list a practice address in Nyack

They are 21 of the 612 NPPES records with a practice address in Nyack, and 5,062 anesthesiology physician records in New York.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Jonathan Bauman, MDNyack, NY 109601669473708
  2. Mitchell Cohn, MDNyack, NY 109601528068871
  3. Josef Edrich, MDNyack, NY 109601447250683
  4. Richard Gellis, MDNyack, NY 109601841291101
  5. Thomas Henry, MDNyack, NY 109601528069150
  6. Jeremy Jacobowitz, MDNyack, NY 109601912990912
  7. Jae Lee, MDNyack, NY 109601053313999
  8. Paul Lutvak, MDNyack, NY 109601396745519

Common questions

What is Mark Matiash, MD's NPI number?

Mark Matiash, MD's National Provider Identifier (NPI) is 1689661563, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Matiash, MD located?

The NPPES record lists a practice address at 160 N Midland Ave, Nyack, NY, 10960. Phone: (845) 348-2862. Providers update this record themselves, so call before visiting.

How can I verify Mark Matiash, MD's license?

NPPES lists New York license number 216183, 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.

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.