NPPES file of Aug 9, 2026

Margaret Elaine Vaughan, MD

Internal Medicine Physician · Katonah, NY

Margaret Elaine Vaughan, MD is an internal medicine physician with a practice address in Katonah, New York, and NPI 1063594760, issued on Oct 20, 2006. Check the license (New York 215939, 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
1063594760
Name
Margaret Elaine Vaughan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
215939 NY
Self-reported in NPPES; status is on the state search
Practice location
111 Bedford RD, Katonah, NY 10536
Phone
(914) 241-1050
Enumerated
Oct 20, 2006
Record last updated
Jan 21, 2025
Fax
(914) 232-7588
Medicaid ID
02361104 NY
Medicare enrollment
Enrolled (PECOS I20070711000546); accepts Medicare assignment
Medical or professional school
State University Of Ny Upstate Medical University, 1994
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 111 Bedford RD

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

  1. Sheldon Axelrod, MDUrology Physician1528140217
  2. Sergio Bures, MDPulmonary Disease Physician1972685675
  3. Simon Chin, MDPlastic Surgery Physician1871608521
  4. Louis Corsaro, MDPediatrics Physician1437231123
  5. Scott Gottesfeld, MDCardiovascular Disease Physician1366447971
  6. Matthew Howard, MDInternal Medicine Physician1881776581

Verify Margaret Elaine Vaughan 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 215939
    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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32% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,170 Medicare Part D claims for 339 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Margaret Vaughan2,170
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium271 claims
  2. Amlodipine Besylate231 claims
  3. Metoprolol Succinate126 claims
  4. Losartan Potassium121 claims
  5. Lisinopril110 claims
  6. Simvastatin99 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 one group practice

  1. The Westchester Medical Practice PCCroton On Hudson, NY

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

Margaret Elaine Vaughan among 12,067 internal medicine physician records in New York

Margaret Elaine Vaughan, 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1994 · median 2002 among the 7,221 with a school on file
  • 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).

10 internal medicine physician records list a practice address in Katonah

They are 10 of the 274 NPPES records with a practice address in Katonah, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ambreen Choudri, M.D.Katonah, NY 105361942434493
  2. Matthew Howard, MDKatonah, NY 105361881776581
  3. Martin Lipton, MDKatonah, NY 105361851561427
  4. Galya Lodish, MDKatonah, NY 105361982675922
  5. Adam Ozols, M.D.Katonah, NY 105361972678555
  6. Valerie Schadlow, MDKatonah, NY 105361982798427
  7. Jerry Stern, M.D.Katonah, NY 105361417270711
  8. Michael Wein, MDKatonah, NY 105361154403855

Common questions

What is Margaret Elaine Vaughan, MD's NPI number?

Margaret Elaine Vaughan, MD's National Provider Identifier (NPI) is 1063594760, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Elaine Vaughan, MD located?

The NPPES record lists a practice address at 111 Bedford RD, Katonah, NY, 10536. Phone: (914) 241-1050. Providers update this record themselves, so call before visiting.

How can I verify Margaret Elaine Vaughan, MD's license?

NPPES lists New York license number 215939, 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 Margaret Elaine Vaughan, MD prescribe under Medicare Part D?

In 2024, Margaret Elaine Vaughan, MD had 2,170 Medicare Part D claims for 339 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.