NPPES file of Aug 9, 2026

Thomas Wallach, MD

Pediatric Gastroenterology Physician · New York, NY

Thomas Wallach, MD is a pediatric gastroenterology physician with a practice address in New York, New York, and NPI 1801162870, issued on Mar 23, 2012. Check the license (New York 272557, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801162870
Name
Thomas Wallach
Credential
MD
Primary taxonomy
Pediatric Gastroenterology Physician 2080P0206X
License number
272557 NY
Self-reported in NPPES; status is on the state search
Practice location
3959 Broadway, New York, NY 10032
Phone
(202) 305-5437
Enumerated
Mar 23, 2012
Record last updated
Mar 27, 2023
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.
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Also registered at 3959 Broadway

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

  1. Manar Abdalgani, MBBSAllergy & Immunology Physician1154671873
  2. Danielle Abraham, MDStudent in an Organized Health Care Education/Training Program1649111691
  3. Maria Cecilia Abreu GonzalezStudent in an Organized Health Care Education/Training Program1770423204
  4. Paris AcquaroStudent in an Organized Health Care Education/Training Program1194665828
  5. Linda AddonizioPediatric Cardiology Physician1639143779
  6. Mishuka AdhikaryPediatrics Physician1558762161

Verify Thomas Wallach 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 272557
    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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The MIPS final score for 2023 (Medicare payment program): 93.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score72.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%90.6
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $42,150.52

37 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Wallach$42,151
  2. Specialty average$2,585

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

Thomas Wallach among 182 pediatric gastroenterology physician records in New York

Thomas Wallach, MD is one of 182 pediatric gastroenterology physician records with a practice address in New York. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 31% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 24% of these records are
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Gastroenterology Physician providers in New York

There are 182 pediatric gastroenterology physician records in New York.

The 8 pediatric gastroenterology physician records with the nearest ZIP codes

  1. Amy DefeliceNew York, NY 100321164499117
  2. Neera Gupta, M.D.New York, NY 100321508881566
  3. Philip Kazlow, MDNew York, NY 100321164408431
  4. Julie Khlevner, MDNew York, NY 100321962636423
  5. Sivan Kinberg, M.D.New York, NY 100321508195637
  6. Esi Sama Lamouse-Smith, MD, PHDNew York, NY 100321114999869
  7. Neal Leleiko, MDNew York, NY 100321831143981
  8. Sarah Lusman, M.D.New York, NY 100321376705756

Common questions

What is Thomas Wallach, MD's NPI number?

Thomas Wallach, MD's National Provider Identifier (NPI) is 1801162870, issued on Mar 23, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Wallach, MD located?

The NPPES record lists a practice address at 3959 Broadway, New York, NY, 10032. Phone: (202) 305-5437. Providers update this record themselves, so call before visiting.

How can I verify Thomas Wallach, MD's license?

NPPES lists New York license number 272557, 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.

What is Thomas Wallach, MD's MIPS final score?

The 2023 MIPS final score is 93.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.