NPPES file of Aug 9, 2026

Sam Sun, M.D.

Radiation Oncology Physician · Goodyear, AZ

Sam Sun, M.D. is a radiation oncology physician with a practice address in Goodyear, Arizona, and NPI 1235584855, issued on May 2, 2016. Check the license (Arizona 74421, as entered in NPPES) on the Arizona Medical Board; 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
1235584855
Name
Sam Sun
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
74421 AZ
Self-reported in NPPES; status is on the state search
Practice location
1710 N 159TH Ave, Goodyear, AZ 85395
Phone
(623) 312-3020
Enumerated
May 2, 2016
Record last updated
Sep 26, 2024
Fax
(623) 487-6747
Medicare enrollment
Enrolled (PECOS I20240724003943); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2016
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 1710 N 159TH Ave

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

  1. Abdulrahman Abonofal, MDHematology (Internal Medicine) Physician1164983748
  2. Sheridan Queen, PAPhysician Assistant1558055590

Verify Sam Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 74421
    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 Arizona license search

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49% more Medicare Part D claims than the average radiation oncology physician in 2024

200 Medicare Part D claims for 83 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 11 claims were for opioids.

  1. Sam Sun200
  2. Specialty average134

Most prescribed

  1. Gabapentin22 claims
  2. Mometasone Furoate22 claims
  3. Orgovyx17 claims
  4. Oxybutynin Chloride Er16 claims
  5. Tamsulosin Hcl12 claims
  6. Pentoxifylline11 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: $2,699.05

57 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Sam Sun$2,699.05
  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 one group practice

  1. Ironwood Physicians PCGoodyear, AZ

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

Radiation Oncology Physician providers in Arizona

There are 156 radiation oncology physician records in Arizona.

Other radiation oncology physician records in Arizona

  1. Safia Ahmed, MDScottsdale, AZ1548609910
  2. Ashley AlbertPeoria, AZ1346668514
  3. Aaron Ambrad, MDScottsdale, AZ1265411961
  4. Hayden Ansinelli, MDTucson, AZ1821592791
  5. Jonathan Ashman, MDScottsdale, AZ1659337566
  6. Igor Barani, MDPhoenix, AZ1811105943
  7. Dolores Basden, M.D.Tucson, AZ1356310023
  8. David Beyer, MDSedona, AZ1114992252
  9. Ronik BhangooMesa, AZ1760877393
  10. Christopher Biggs, MDPhoenix, AZ1720042146

Common questions

What is Sam Sun, M.D.'s NPI number?

Sam Sun, M.D.'s National Provider Identifier (NPI) is 1235584855, issued on May 2, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sam Sun, M.D. located?

The NPPES record lists a practice address at 1710 N 159TH Ave, Goodyear, AZ, 85395. Phone: (623) 312-3020. Providers update this record themselves, so call before visiting.

How can I verify Sam Sun, M.D.'s license?

NPPES lists Arizona license number 74421, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sam Sun, M.D. prescribe under Medicare Part D?

In 2024, Sam Sun, M.D. had 200 Medicare Part D claims for 83 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.