NPPES file of Aug 9, 2026

Robert B. Donegan, M.D.

Medical Oncology Physician · Baltimore, MD

Robert B. Donegan, M.D. is a medical oncology physician with a practice address in Baltimore, Maryland, and NPI 1689624181, issued on May 12, 2006. Check the license (Maryland D56919, as entered in NPPES) on the Maryland Board of Physicians; 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
1689624181
Name
Robert B. Donegan
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
D56919 MD
Self-reported in NPPES; status is on the state search
Practice location
6569 N Charles St, Baltimore, MD 21204
Phone
(443) 849-3051
Enumerated
May 12, 2006
Record last updated
Oct 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(443) 849-3057
Medicaid ID
688603500 MD
Medicare enrollment
Enrolled (PECOS I20100107000407); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 1991
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 6569 N Charles St

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

  1. Dominique Allen, MDObstetrics & Gynecology Physician1508973223
  2. Barbara Bell, MDCardiovascular Disease Physician1629120522
  3. Michelle Bianchi, OTROccupational Therapist1750335816
  4. Melissa Bidlack, CCC-SLPSpeech-Language Pathologist1831511625
  5. Ray Gervacio Blanco, MDSurgical Oncology Physician1891773966
  6. Joan Blomquist, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1831117472

Verify Robert B. Donegan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D56919
    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 Maryland license search

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35% more Medicare Part D claims than the average medical oncology physician in 2024

952 Medicare Part D claims for 240 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.

  1. Robert Donegan952
  2. Specialty average703

Most prescribed

  1. Tamoxifen Citrate208 claims
  2. Anastrozole185 claims
  3. Letrozole144 claims
  4. Exemestane51 claims
  5. Ibrance34 claims
  6. Prochlorperazine Maleate32 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: $132.18

5 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Donegan$132
  2. Specialty average$11,773

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. Greater Baltimore Medical Center IncBaltimore, MD

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

Robert B. Donegan among 224 medical oncology physician records in Maryland

Robert B. Donegan, M.D. is one of 224 medical oncology physician records with a practice address in Maryland. 67% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 53% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1991 · median 2000 among the 128 with a school on file
  • Record last updated2011 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Maryland

There are 224 medical oncology physician records in Maryland.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Paul Celano, M.D.Baltimore, MD 212041649222845
  2. Madhu Chaudhry, M.D.Baltimore, MD 212041447201678
  3. Gary Cohen, M.D.Baltimore, MD 212041184676462
  4. Rima Couzi, M.D.Towson, MD 212041356401608
  5. John Downs, M.D.Towson, MD 212041093780496
  6. Shruti Murali, M.DTowson, MD 212041902241649
  7. Mei Tang, MDBaltimore, MD 212041457495483
  8. Shruti Chaturvedi, M.D.Baltimore, MD 212051508154345

Common questions

What is Robert B. Donegan, M.D.'s NPI number?

Robert B. Donegan, M.D.'s National Provider Identifier (NPI) is 1689624181, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert B. Donegan, M.D. located?

The NPPES record lists a practice address at 6569 N Charles St, Baltimore, MD, 21204. Phone: (443) 849-3051. Providers update this record themselves, so call before visiting.

How can I verify Robert B. Donegan, M.D.'s license?

NPPES lists Maryland license number D56919, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert B. Donegan, M.D. prescribe under Medicare Part D?

In 2024, Robert B. Donegan, M.D. had 952 Medicare Part D claims for 240 beneficiaries; the average among medical oncology physician prescribers was 703. 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.