NPPES file of Aug 9, 2026

James Sun, MD

Surgical Oncology Physician · Philadelphia, PA

James Sun, MD is a surgical oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1003278391, issued on Mar 24, 2016. Check the license on the Pennsylvania Department of State (PALS); 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
1003278391
Name
James Sun
Credential
MD
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
14231568-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
333 Cottman Ave, Philadelphia, PA 19111
Phone
(215) 854-9799
Enumerated
Mar 24, 2016
Record last updated
Dec 31, 2025
Medicare enrollment
Enrolled (PECOS I20250926002773); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 333 Cottman Ave

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

  1. Philip Abbosh, MDPHDUrology Physician1871749424
  2. Andrea AbbottDiagnostic Radiology Physician1316268444
  3. Jesty Abraham, DODiagnostic Radiology Physician1417118373
  4. Allison Aggon, D.O.Surgery Physician1972759900
  5. Tahseen Al-Saleem, M.D.Anatomic Pathology & Clinical Pathology Physician1962474056
  6. Md Usman Ali, M.D.Internal Medicine Physician1619316882

Verify James Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)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 Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

28% more Medicare Part D claims than the average surgical oncology physician in 2024

111 Medicare Part D claims for 63 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. James Sun111
  2. Specialty average87

Most prescribed

  1. Oxycodone Hcl31 claims
  2. Tamsulosin Hcl12 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: $146.48

2 payments; by number, the most common kind was food and beverage; the largest payer was SpringWorks Therapeutics, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Sun$146.48
  2. Specialty average$4,224.74

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. University OF Utah Adult ServicesSalt Lake City, UT

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

James Sun among 92 surgical oncology physician records in Pennsylvania

James Sun, MD is one of 92 surgical oncology physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 91% of them.

  • NPI issued2016 · 91% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2016 · median 2004 among the 68 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Pennsylvania

There are 92 surgical oncology physician records in Pennsylvania.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Saniya Ablatt, M.DPhiladelphia, PA 191111013595677
  2. Richard Bleicher, MDPhiladelphia, PA 191111275584609
  3. Stephanie Greco, M.D.Philadelphia, PA 191111205154341
  4. Andrew Gumbs, M.DPhiladelphia, PA 191111487849725
  5. John Hoffman, M.D.Philadelphia, PA 191111912928631
  6. Dorotea Mutabdzic, MDPhiladelphia, PA 191111235654286
  7. Andrea PorpigliaPhiladelphia, PA 191111306010608
  8. John Ridge, M.D.Philadelphia, PA 191111841212008

Common questions

What is James Sun, MD's NPI number?

James Sun, MD's National Provider Identifier (NPI) is 1003278391, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.

Where is James Sun, MD located?

The NPPES record lists a practice address at 333 Cottman Ave, Philadelphia, PA, 19111. Phone: (215) 854-9799. Providers update this record themselves, so call before visiting.

How can I verify James Sun, MD's license?

Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Sun, MD prescribe under Medicare Part D?

In 2024, James Sun, MD had 111 Medicare Part D claims for 63 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.