NPPES file of Aug 9, 2026

Robert Steven Siegel, M.D.

Hematology & Oncology Physician · Washington, DC

Robert Steven Siegel, M.D. is a hematology & oncology physician with a practice address in Washington, District of Columbia, and NPI 1003985367, issued on Nov 8, 2006. Check the license (District of Columbia MD13567, as entered in NPPES) on the District of Columbia Board of Medicine; 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
1003985367
Name
Robert Steven Siegel
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD13567 DC
D43361 MD
Self-reported in NPPES; status is on the state search
Practice location
2150 Pennsylvania Ave NW, Washington, DC 20037
Phone
(202) 741-3333
Enumerated
Nov 8, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(202) 741-3396
Medicare enrollment
Enrolled (PECOS I20101105000628); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1977
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 2150 Pennsylvania Ave NW

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

  1. Ahmad AalamStudent in an Organized Health Care Education/Training Program1851786909
  2. Nawaf Abaalkhail, MDCritical Care Medicine (Internal Medicine) Physician1104246958
  3. Theophilus Abah, MDAnesthesiology Physician1245810696
  4. Yoosif Abdalla, MDNephrology Physician1679851760
  5. Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
  6. Rami AbdulbakiAnatomic Pathology & Clinical Pathology Physician1851950109

Verify Robert Steven Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD13567
    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 District of Columbia 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.

33% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

584 Medicare Part D claims for 92 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Robert Siegel584
  2. Specialty average877

Most prescribed

  1. Xtandi101 claims
  2. Abiraterone Acetate44 claims
  3. Prednisone41 claims
  4. Imbruvica38 claims
  5. Lenalidomide26 claims
  6. Tamoxifen Citrate26 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.

Industry payments in 2024: $1,122.50

50 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Siegel$1,122.50
  2. Specialty average$7,481.41

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

Bills Medicare through one group practice

  1. Medical Faculty Associates, IncWashington, DC

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

Robert Steven Siegel among 81 hematology & oncology physician records in District of Columbia

Robert Steven Siegel, M.D. is one of 81 hematology & oncology physician records with a practice address in District of Columbia. 74% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 58% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1977 · median 2002 among the 46 with a school on file
  • Record last updated2007 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in District of Columbia

There are 81 hematology & oncology physician records in District of Columbia.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Austin Barrett, MDWashington, DC 200371427474097
  2. Julie Bauman, M.D. MPHWashington, DC 200371164431748
  3. Catherine Broome, MDWashington, DC 200371669470985
  4. Pavani Chalasani, M.DWashington, DC 200371689879967
  5. Henry Fox, M.D.Washington, DC 200371396810578
  6. Faysal Haroun, M.D.Washington, DC 200371598078990
  7. Elmer Huerta, MDWashington, DC 200371386699734
  8. Bruce Kressel, M.D.Washington, DC 200371497861025

Common questions

What is Robert Steven Siegel, M.D.'s NPI number?

Robert Steven Siegel, M.D.'s National Provider Identifier (NPI) is 1003985367, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Steven Siegel, M.D. located?

The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-3333. Providers update this record themselves, so call before visiting.

How can I verify Robert Steven Siegel, M.D.'s license?

NPPES lists District of Columbia license number MD13567, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Steven Siegel, M.D. prescribe under Medicare Part D?

In 2024, Robert Steven Siegel, M.D. had 584 Medicare Part D claims for 92 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.