NPPES file of Aug 9, 2026

Mark Thoma, MD

Internal Medicine Physician · Montrose, NY

Mark Thoma, MD is an internal medicine physician with a practice address in Montrose, New York, and NPI 1013213396, issued on Feb 2, 2011. Check the license on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013213396
Name
Mark Thoma
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
046214 CT
Self-reported in NPPES; status is on the state search
Practice location
25 Coachlight SQ, Montrose, NY 10548
Phone
(914) 293-7164
Enumerated
Feb 2, 2011
Record last updated
Jun 11, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Mark Thoma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Mark Thoma among 12,067 internal medicine physician records in New York

Mark Thoma, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 internal medicine physician records list a practice address in Montrose

They are 8 of the 324 NPPES records with a practice address in Montrose, and 12,067 internal medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ronald Ammon, MDMontrose, NY 105481477695310
  2. George Benninger, MDMontrose, NY 105481285669598
  3. Gautami Guha, MD, PH. DMontrose, NY 105481568470912
  4. Wavell Hodge, MDMontrose, NY 105481346342193
  5. Roger Kahn, M.D.Montrose, NY 105481275570202
  6. Malati Kollali, M.D.Montrose, NY 105481114979960
  7. Joanne Malina, MDMontrose, NY 105481063491173
  8. Marla Koroly, MDMount Kisco, NY 105491780677336

Common questions

What is Mark Thoma, MD's NPI number?

Mark Thoma, MD's National Provider Identifier (NPI) is 1013213396, issued on Feb 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Thoma, MD located?

The NPPES record lists a practice address at 25 Coachlight SQ, Montrose, NY, 10548. Phone: (914) 293-7164. Providers update this record themselves, so call before visiting.

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

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. 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.