Radiation oncologists in Washington, DC

  • Radiation oncology
  • Washington, Washington, DC
Radiation oncologists
32
Linked to a hospital or group
26
Hospitals with a radiation oncologist
6
Medical groups with a radiation oncologist
3
Practice at a hospital
24

There are 32 radiation oncologists in Washington. MedStar Georgetown University Hospital has the most, 5, and Sibley Memorial Hospital has the most affiliated radiation oncologists, 7. 30% finished medical school 30 or more years ago.

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Washington radiation oncologists, listed A to Z by last name

Each radiation oncologist on the list has radiation oncology as their primary specialty and a Washington practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Washington radiation oncologists, A to Z
Radiation oncologistHospitalsMedical groupsEmail and phone
Olubunmi K. Abayomi, MDNPI 1457379497-1 groupContacts
Peter H. Ahn, MDNPI 17101171062 hospitals2 groupsContacts
Victoria Jane Croog, MDNPI 12757916181 hospital3 groupsContacts
Sana Sara Dastgheyb, MD, PhDNPI 15881242591 hospital-Contacts
Curtiland Deville Jr., MDNPI 17009425622 hospitals3 groupsContacts
Jacquelyn B. Dunmore-Griffith, MDNPI 18311664871 hospital3 groupsContacts
Christopher John Gallagher, MDNPI 1669409587-1 groupContacts
Sharad Goyal, MDNPI 14474164171 hospital1 groupContacts
Stephen C. Greco, MDNPI 16594637504 hospitals4 groupsContacts
Lester Lee Greer, MDNPI 18010583751 hospital1 groupContacts
Ruchika Gutt, MDNPI 14676194601 hospital-Contacts
Aditya Halthore, MDNPI 10536862793 hospitals4 groupsContacts
Nataliya A. IakovlevaNPI 19824585271 hospital-Contacts
Rachit Kumar, MDNPI 18213139662 hospitals3 groupsContacts
Matthew Michael LadraNPI 11646742141 hospital3 groupsContacts
Peter Pingkwong Lai, MDNPI 16290850223 hospitals6 groupsContacts
Serena Mao, MD, PhDNPI 13761709852 hospitals1 groupContacts
Nam Phong Nguyen, MDNPI 15382662341 hospital1 groupContacts
Martin Ojong-Ntui, MDNPI 16796444881 hospital1 groupContacts
Nitika PaudelNPI 10638303473 hospitals2 groupsContacts
Pamela Dawn Randolph Jackson, MDNPI 18018134071 hospital1 groupContacts
Sonali Rudra, MDNPI 16292078242 hospitals3 groupsContacts
Nicholas Robert Rydzewski, MDNPI 15688551611 hospital-Contacts
Deedee Kay Smart, MD, PhDNPI 18312801301 hospital-Contacts
Charlton Alan Smith, MDNPI 1083052062--Contacts
Keith Robert Unger, MDNPI 12050777812 hospitals3 groupsContacts
Matthew Edward Witek, MDNPI 11546517272 hospitals3 groupsContacts

The list shows the 27 radiation oncologists with a public profile. The other 5 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

For health IT teams

Find Washington radiation oncologists by the EHR they use

Dmand AI has the EHR for 28 of 32 Washington radiation oncologists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

MedStar Georgetown University Hospital has the most radiation oncologists in Washington, with 5

The GW Medical Faculty Associates is second with 3, and Howard University Faculty Practice Plan third with 3. Counts are radiation oncologists with a Washington, DC address linked to each group.

Top 3 of 3 Washington medical groups with a radiation oncologist

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Sibley Memorial Hospital has the most affiliated radiation oncologists in Washington, with 7

MedStar Washington Hospital Center is second with 6, and MedStar Georgetown University Hospital third with 5. Washington radiation oncologists are affiliated with 6 hospitals in all.

Hospitals with the most radiation oncologists in Washington
#HospitalHealth systemRadiation oncologists
1Sibley Memorial HospitalWashingtonJohns Hopkins Health System7
2MedStar Washington Hospital CenterWashingtonMedStar Health6
3MedStar Georgetown University HospitalWashingtonMedStar Health5
4Washington DC VA Medical CenterWashingtonVeterans Health Administration4
5The George Washington University HospitalWashingtonUniversal Health Services3
6Howard University HospitalWashingtonHoward University2

Top 6 of 6 Washington hospitals with an affiliated radiation oncologistAll 13 Washington hospitals

See every hospital and group for each Washington radiation oncologist

Each public profile names one place a radiation oncologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Most Washington radiation oncologists practice at a hospital: 24 of the 25 with a mapped site

9 also practice at a medical group site. A radiation oncologist can practice at several kinds of site, so the shares overlap.

Washington radiation oncologists by site of care

  1. Hospitals24
  2. Medical group practices9

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

30% of Washington radiation oncologists finished medical school 30 or more years ago

6 of the 20 Washington radiation oncologists with a graduation year on file. 2 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago2
  2. 10 to 19 years ago7
  3. 20 to 29 years ago5
  4. 30 to 39 years ago3
  5. 40 or more years ago3

Source: Dmand AI Professional Profile Data

Every Washington radiation oncologist profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Washington radiation oncologist directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Radiation oncologists are HCPs whose primary specialty is radiation oncology (taxonomy code 2085R0001X), with an active NPI and a Washington practice address.

FAQ

Frequently asked questions about radiation oncologists in Washington

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many radiation oncologists are in Washington?

32 radiation oncologists have an active NPI, a Washington practice address and radiation oncology (taxonomy code 2085R0001X) as their primary specialty. 26 of them are linked to a hospital or medical group.

Which Washington medical groups have the most radiation oncologists?

MedStar Georgetown University Hospital, with 5, followed by The GW Medical Faculty Associates with 3 and Howard University Faculty Practice Plan with 3.

Which Washington hospitals have the most radiation oncologists?

Sibley Memorial Hospital, with 7 affiliated radiation oncologists, followed by MedStar Washington Hospital Center with 6 and MedStar Georgetown University Hospital with 5.

What share of Washington radiation oncologists practice at a hospital?

24 of the 25 Washington radiation oncologists with a mapped site of care, or 96%, have a current hospital affiliation.

What is the taxonomy code for radiation oncology?

2085R0001X is the NPPES taxonomy code for radiation oncology. Sub-specialties with their own code are counted on their own lists.

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Search 32 Washington radiation oncologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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