NPPES file of Aug 9, 2026

David B. Suh, M.D.

Radiation Oncology Physician · Dover, DE

David B. Suh, M.D. is a radiation oncology physician with a practice address in Dover, Delaware, and NPI 1396768255, issued on Jul 25, 2006. Check the license (Delaware C1-0023946, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1396768255
Name
David B. Suh
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
C1-0023946 DE
MD057907L PA
Self-reported in NPPES; status is on the state search
Practice location
640 S State St FL 1, Dover, DE 19901
Phone
(302) 674-4401
Enumerated
Jul 25, 2006
Record last updated
Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(302) 674-4129
Medicaid IDs
8157201 NJ
001808259 PA
Medicare enrollment
Enrolled (PECOS I20201110001286); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 1992
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 640 S State St FL 1

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

  1. Mohamad Ghraowi, MDMedical Oncology Physician1942201439
  2. John Lahaniatis, M.D.Radiation Oncology Physician1326023102
  3. Tony Lee, MDRadiation Oncology Physician1588665178
  4. Khanh Nguyen, MDRadiation Oncology Physician1326144841

Verify David B. Suh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0023946
    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 Delaware license search

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45% fewer Medicare Part D claims than the average radiation oncology physician in 2024

74 Medicare Part D claims for 38 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. David Suh74
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl16 claims
  2. Pantoprazole Sodium14 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: $16.49

1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Suh$16.49
  2. Specialty average$1,897.85

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

Bills Medicare through 2 group practices

  1. Bayhealth Medical Center, IncMilford, DE
  2. Core Physicians LLCExeter, NH

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

David B. Suh among 19 radiation oncology physician records in Delaware

David B. Suh, M.D. is one of 19 radiation oncology physician records with a practice address in Delaware. 84% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 42% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1992 · median 2000 among the 14 with a school on file
  • Record last updated2020 · 74% 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 Delaware 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 Delaware

There are 19 radiation oncology physician records in Delaware.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. John Lahaniatis, M.D.Dover, DE 199011326023102
  2. Tony Lee, MDDover, DE 199011588665178
  3. Khanh Nguyen, MDDover, DE 199011326144841
  4. Yangyang Shi, MDDover, DE 199011134709751
  5. Donald Tilton, D.O.Dover, DE 199041952380123
  6. Jennifer Hung, M.D.Rehoboth Beach, DE 199711720203235
  7. Andrejs Strauss, M.D.Rehoboth Beach, DE 199711356343552
  8. Samuel Swisher-McClure, MDRehoboth Beach, DE 199711669675880

Common questions

What is David B. Suh, M.D.'s NPI number?

David B. Suh, M.D.'s National Provider Identifier (NPI) is 1396768255, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David B. Suh, M.D. located?

The NPPES record lists a practice address at 640 S State St FL 1, Dover, DE, 19901. Phone: (302) 674-4401. Providers update this record themselves, so call before visiting.

How can I verify David B. Suh, M.D.'s license?

NPPES lists Delaware license number C1-0023946, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David B. Suh, M.D. prescribe under Medicare Part D?

In 2024, David B. Suh, M.D. had 74 Medicare Part D claims for 38 beneficiaries; 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.