Radiation oncologists in Delaware

  • Radiation oncology
  • Delaware
Radiation oncologists
23
Linked to a hospital or group
20
Hospitals with a radiation oncologist
5
Medical groups with a radiation oncologist
6
Cities
5

There are 23 radiation oncologists in Delaware. Delaware Radiation Oncology has the most, 10, and Christiana Hospital has the most affiliated radiation oncologists, 9. Newark is home to 10, and 44% finished medical school 30 or more years ago.

Find work emails and mobile numbers for all 23 Delaware radiation oncologists

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Delaware radiation oncologists, listed A to Z by last name

Each radiation oncologist on the list has radiation oncology as their primary specialty and a Delaware practice address. The list shows the NPI and city, 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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Sort and filter all 23 Delaware radiation oncologists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.

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Delaware radiation oncologists, A to Z
Radiation oncologistHospitalsMedical groupsEmail and phone
Samuel Ross Birer, MDLewes · NPI 16790040141 hospital-Contacts
Monica Chelius, MDNewark · NPI 17802034632 hospitals2 groupsContacts
Lana Maria De Souza Lawrence, MDNewark · NPI 12252966682 hospitals3 groupsContacts
Viroon Donavanik, MDWilmington · NPI 1215979927--Contacts
Michael F. Dzeda, MDNewark · NPI 16593181291 hospital3 groupsContacts
Jennifer Hung, MDLewes · NPI 17202032352 hospitals1 groupContacts
Christopher D. Koprowski, MDNewark · NPI 1679517932-1 groupContacts
John E. Lahaniatis, MDDover · NPI 13260231023 hospitals1 groupContacts
Tony T. Lee, MDDover · NPI 15886651783 hospitals1 groupContacts
John Romeo Mansueti, MDSeaford · NPI 16997769554 hospitals1 groupContacts
Mark K. Ono, MDDover · NPI 14270221442 hospitals9 groupsContacts
Adam Raben, MDNewark · NPI 13068889614 hospitals3 groupsContacts
Lindsay Brown Romak, MDNewark · NPI 14374792922 hospitals3 groupsContacts
Sunjay A. Shah, MDNewark · NPI 15381035511 hospital3 groupsContacts
Gaurav Shukla, MD, PhDNewark · NPI 11940688413 hospitals3 groupsContacts
John M. Smyles, MDNewark · NPI 19928562561 hospital3 groupsContacts
Jon F. Strasser, MDNewark · NPI 18715378942 hospitals3 groupsContacts
Andrejs V. Strauss, MDSeaford · NPI 13563435521 hospital-Contacts
Samuel D. Swisher-McClure, MDLewes · NPI 16696758803 hospitals1 groupContacts
Owen C. Thomas, MDLewes · NPI 10434129352 hospitals1 groupContacts
William K. Woods, MDSeaford · NPI 12755610113 hospitals1 groupContacts

Showing 1 to 10 of 21 Delaware radiation oncologists

The list shows the 21 radiation oncologists with a public profile. The other 2 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 Delaware radiation oncologists by the EHR they use

Dmand AI has the EHR for 18 of 23 Delaware 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.

Delaware Radiation Oncology has the most radiation oncologists in Delaware, with 10

ChristianaCare Imaging Services is second with 8, and ChristianaCare third with 7. Counts are radiation oncologists with a Delaware address linked to each group.

Top 6 of 6 Delaware medical groups with a radiation oncologist

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

Christiana Hospital has the most affiliated radiation oncologists in Delaware, with 9

Beebe Healthcare in Lewes is second with 8, and Bayhealth Hospital, Sussex Campus third with 6. Delaware radiation oncologists are affiliated with 5 hospitals in all.

Hospitals with the most radiation oncologists in Delaware
#HospitalHealth systemRadiation oncologists
1Christiana HospitalNewarkChristianaCare9
2Beebe HealthcareLewesBeebe Medical Center8
3Bayhealth Hospital, Sussex CampusMilfordBayhealth Medical Center6
4Bayhealth Hospital, Kent CampusDoverBayhealth Medical Center4
5TidalHealth NanticokeSeafordTidalHealth Peninsula Regional3

Top 5 of 5 Delaware hospitals with an affiliated radiation oncologistAll 17 Delaware hospitals

See every hospital and group for each Delaware 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

Newark has the most radiation oncologists in Delaware, with 10

10radiation oncologists in Newark
4radiation oncologists in Dover
4radiation oncologists in Lewes
4radiation oncologists in Seaford

Radiation oncologists practice in 5 Delaware cities. Every city with 10 or more has its own page.

Source: NPPES NPI Registry (CMS)

Most Delaware radiation oncologists practice at a hospital: 19 of the 20 with a mapped site

15 also practice at a medical group site, and 3 at therapy and rehab centers. A radiation oncologist can practice at several kinds of site, so the shares overlap.

Delaware radiation oncologists by site of care

  1. Hospitals19
  2. Medical group practices15
  3. Therapy and rehab centers3
  4. Behavioral health centers1
  5. Physician offices1

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

44% of Delaware radiation oncologists finished medical school 30 or more years ago

8 of the 18 Delaware radiation oncologists with a graduation year on file. 2 graduated in the last 10 years.

Physicians by years since medical school

  1. Under 10 years ago2
  2. 10 to 19 years ago5
  3. 20 to 29 years ago3
  4. 30 to 39 years ago7
  5. 40 or more years ago1

Source: Dmand AI Professional Profile Data

Every Delaware 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 Delaware 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 Delaware practice address.

FAQ

Frequently asked questions about radiation oncologists in Delaware

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 Delaware?

23 radiation oncologists have an active NPI, a Delaware practice address and radiation oncology (taxonomy code 2085R0001X) as their primary specialty. 20 of them are linked to a hospital or medical group.

Which Delaware medical groups have the most radiation oncologists?

Delaware Radiation Oncology, with 10, followed by ChristianaCare Imaging Services with 8 and ChristianaCare with 7.

Which Delaware hospitals have the most radiation oncologists?

Christiana Hospital, with 9 affiliated radiation oncologists, followed by Beebe Healthcare with 8 and Bayhealth Hospital, Sussex Campus with 6.

Which Delaware cities have the most radiation oncologists?

Newark, with 10, followed by Dover (4) and Lewes (4). Radiation oncologists practice in 5 Delaware cities in all.

How many Delaware radiation oncologists finished medical school 30 or more years ago?

8 of the 18 with a graduation year on file, or 44%. 2 graduated in the last 10 years.

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.

How can I contact radiation oncologists in Delaware?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for radiation oncologists in Delaware through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

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Search 23 Delaware radiation oncologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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