NPPES file of Aug 9, 2026

Katherine Heyman Saunders, MD

Internal Medicine Physician · New York, NY

Katherine Heyman Saunders, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1548550395, issued on Apr 13, 2011. Check the license (New York 273027, 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
1548550395
Name
Katherine Heyman Saunders
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
273027 NY
Self-reported in NPPES; status is on the state search
Practice location
1165 York Ave, New York, NY 10065
Phone
(646) 962-2111
Enumerated
Apr 13, 2011
Record last updated
Jul 14, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(646) 962-0159
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

Also registered at 1165 York Ave

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

  1. Sarah Barenbaum, MDInternal Medicine Physician1316301245
  2. Morgan Dickison, RDRegistered Dietitian1285143792
  3. Immanuel Elbau, MD, PHDPsychiatry Physician1568335636
  4. Janet Feinstein, MS RDRegistered Dietitian1659628899
  5. Eric Goldwaser, DO, PHDPsychiatry Physician1619471323
  6. Leon Igel, M.D.Endocrinology, Diabetes & Metabolism Physician1073830006

Verify Katherine Heyman Saunders 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 273027
    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.

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

97% fewer Medicare Part D claims than the average internal medicine physician in 2024

99 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Katherine Saunders99
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl Er28 claims
  2. Mounjaro27 claims
  3. Ozempic18 claims
  4. Topiramate13 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.

The MIPS final score for 2023 (Medicare payment program): 100 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 score86.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $3,701.57

18 payments; by number, the most common kind was food and beverage; the largest payer was Currax Pharmaceuticals LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Saunders$3,701.57
  2. Specialty average$1,303.06

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

Katherine Heyman Saunders among 12,067 internal medicine physician records in New York

Katherine Heyman Saunders, 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. Its NPI, issued in 2011, is newer than 66% of them.

  • NPI issued2011 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2015 · 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).

2,434 internal medicine physician records list a practice address in New York

They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Natela Babayeva, M.D.New York, NY 100651801823406
  2. Sunanda Chugh, MDNew York, NY 100651093719668
  3. Salvatore Cilmi, MDNew York, NY 100651003884370
  4. Arthur Evans, M.D.New York, NY 100651780609875
  5. Paul Knoepflmacher, M.D.New York, NY 100651144291972
  6. Deborah Korenstein, MDNew York, NY 100651912925793
  7. Paul Miskovitz, M.D.New York, NY 100651699721126
  8. Sean Pickering, MDNew York, NY 100651790717130

Common questions

What is Katherine Heyman Saunders, MD's NPI number?

Katherine Heyman Saunders, MD's National Provider Identifier (NPI) is 1548550395, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Heyman Saunders, MD located?

The NPPES record lists a practice address at 1165 York Ave, New York, NY, 10065. Phone: (646) 962-2111. Providers update this record themselves, so call before visiting.

How can I verify Katherine Heyman Saunders, MD's license?

NPPES lists New York license number 273027, 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 Katherine Heyman Saunders, MD prescribe under Medicare Part D?

In 2024, Katherine Heyman Saunders, MD had 99 Medicare Part D claims for 17 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Katherine Heyman Saunders, MD's MIPS final score?

The 2023 MIPS final score is 100 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.