NPPES file of Aug 9, 2026

Benjamin Chih-An Sun, M.D., M.P.P

Emergency Medicine Physician · Philadelphia, PA

Benjamin Chih-An Sun, M.D., M.P.P is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1083697791, issued on Nov 28, 2005. Check the license (Pennsylvania MD465132, as entered in NPPES) 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083697791
Name
Benjamin Chih-An Sun
Credential
M.D., M.P.P
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD465132 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce St, Philadelphia, PA 19104
Phone
(215) 662-6698
Enumerated
Nov 28, 2005
Record last updated
Aug 9, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180827001575); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2000
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 3400 Spruce St

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

  1. Megan Abbott, CRNPNurse Practitioner1396771689
  2. Michael Abboud, MDEmergency Medicine Physician1962820852
  3. Emily AbdelmessihPediatric Pharmacist1891612560
  4. Mohammed AbdullahStudent in an Organized Health Care Education/Training Program1013595495
  5. Amin Abedini, MDStudent in an Organized Health Care Education/Training Program1912609017
  6. Farid Aboharb, MD, PHDStudent in an Organized Health Care Education/Training Program1295595973

Verify Benjamin Chih-An Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD465132
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $110.68

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Benjamin Sun$110.68
  2. Specialty average$953.79

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 Penn - Medical GroupPhiladelphia, PA

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

Benjamin Chih-An Sun among 3,911 emergency medicine physician records in Pennsylvania

Benjamin Chih-An Sun, M.D., M.P.P is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2000 · median 2013 among the 2,231 with a school on file
  • Record last updated2018 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,006 emergency medicine physician records list a practice address in Philadelphia

They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. William Baxt, MDPhiladelphia, PA 191041477592970
  2. Aaron Chen, MDPhiladelphia, PA 191041871533455
  3. Elizabeth Datner, MDPhiladelphia, PA 191041487601365
  4. Francis De Roos, MDPhiladelphia, PA 191041285681148
  5. Anthony Dean, MDPhiladelphia, PA 191041508805318
  6. Edward Dickinson, MDPhiladelphia, PA 191041003855529
  7. C MechemPhiladelphia, PA 191041548200538
  8. Zachary Meisel, MDPhiladelphia, PA 191041013919935

Common questions

What is Benjamin Chih-An Sun, M.D., M.P.P's NPI number?

Benjamin Chih-An Sun, M.D., M.P.P's National Provider Identifier (NPI) is 1083697791, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Chih-An Sun, M.D., M.P.P located?

The NPPES record lists a practice address at 3400 Spruce St, Philadelphia, PA, 19104. Phone: (215) 662-6698. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Chih-An Sun, M.D., M.P.P's license?

NPPES lists Pennsylvania license number MD465132, as entered by the provider. 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.

What is Benjamin Chih-An Sun, M.D., M.P.P's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.