NPPES file of Aug 9, 2026

Deborah Marshall, MD

Radiation Oncology Physician · New York, NY

Deborah Marshall, MD is a radiation oncology physician with a practice address in New York, New York, and NPI 1336501220, issued on Mar 22, 2016. Check the license (New York 312506, 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
1336501220
Name
Deborah Marshall
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
312506 NY
A152703 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Gustave L Levy PL, New York, NY 10029
Phone
(212) 241-7500
Enumerated
Mar 22, 2016
Record last updated
Sep 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211228001333); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2016
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.
Download card Updates feed

Also registered at 1 Gustave L Levy PL

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

  1. Lila Abassi, M.D.Hospitalist Physician1871886606
  2. Erin AbbottStudent in an Organized Health Care Education/Training Program1699587170
  3. Ghadi AbboudDiagnostic Radiology Physician1740936822
  4. Richard Abel, M.D.Anesthesiology Physician1508148016
  5. Jessica Ables, M.D., PH.D.Psychiatry Physician1437543352
  6. Grant AbrahamsonStudent in an Organized Health Care Education/Training Program1194512590

Verify Deborah Marshall 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 312506
    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.

92% fewer Medicare Part D claims than the average radiation oncology physician in 2024

11 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Deborah Marshall11
  2. Specialty average134

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 2 group practices

  1. Icahn School OF Medicine AT Mount SinaiNew York, NY
  2. The New York Proton CenterNew York, NY

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

Deborah Marshall among 449 radiation oncology physician records in New York

Deborah Marshall, MD is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.

  • NPI issued2016 · 79% of these records are older, 19% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2016 · median 2005 among the 331 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in New York

There are 449 radiation oncology physician records in New York.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Jalal Ahmed, MD,PHDNew York, NY 100291811341944
  2. Richard Bakst, M.D.New York, NY 100291528226339
  3. Julie BloomNew York, NY 100291912465287
  4. Michael Buckstein, MD, PHDNew York, NY 100291417197856
  5. Kavita Dharmarajan, M.D.New York, NY 100291013112622
  6. Oren FactorNew York, NY 100291205214400
  7. Sheryl Green, M.D.New York, NY 100291629040829
  8. Vishal Gupta, M.D.New York, NY 100291275516338

Common questions

What is Deborah Marshall, MD's NPI number?

Deborah Marshall, MD's National Provider Identifier (NPI) is 1336501220, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Marshall, MD located?

The NPPES record lists a practice address at 1 Gustave L Levy PL, New York, NY, 10029. Phone: (212) 241-7500. Providers update this record themselves, so call before visiting.

How can I verify Deborah Marshall, MD's license?

NPPES lists New York license number 312506, 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 Deborah Marshall, MD prescribe under Medicare Part D?

In 2024, Deborah Marshall, MD had 11 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. 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.