NPPES file of Aug 9, 2026

Benjamin Bansun Chang, MD

Vascular Surgery Physician · Williamsport, PA

Benjamin Bansun Chang, MD is a vascular surgery physician with a practice address in Williamsport, Pennsylvania, and NPI 1023008117, issued on Oct 28, 2005. Check the license (Pennsylvania MD476246, 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
1023008117
Name
Benjamin Bansun Chang
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
MD476246 PA
169766 NY
1697666 NY
Self-reported in NPPES; status is on the state search
Practice location
740 High St Ste 2001, Williamsport, PA 17701
Phone
(703) 212-8055
Enumerated
Oct 28, 2005
Record last updated
Jan 6, 2022
Medicaid ID
01022251 NY
Medicare enrollment
Enrolled (PECOS I20220112002155); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 1982
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 740 High St Ste 2001

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

  1. David Ambrose, DOCardiovascular Disease Physician1205099843
  2. Kelsey Beard, CRNPNurse Practitioner1508340746
  3. Edward Bender, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1235241316
  4. Christina Breining, CRNPNurse Practitioner1649865841
  5. Grace Chestnut, PA-CPhysician Assistant1346113917
  6. Robert Davis, D.O.Cardiovascular Disease Physician1669452728

Verify Benjamin Bansun Chang 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 MD476246
    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

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41% fewer Medicare Part D claims than the average vascular surgery physician in 2024

118 Medicare Part D claims for 50 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Benjamin Chang118
  2. Specialty average201

Most prescribed

  1. Clopidogrel66 claims
  2. Oxycodone Hcl14 claims
  3. Gabapentin12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 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 score75.0
  2. Costout of 100 · 30%63.4
  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: $59.15

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Benjamin Chang$59.15
  2. Specialty average$6,178.00

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. Susquehanna Physician ServicesWilliamsport, PA

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

Benjamin Bansun Chang among 272 vascular surgery physician records in Pennsylvania

Benjamin Bansun Chang, MD is one of 272 vascular surgery physician records with a practice address in Pennsylvania. 83% 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, 89% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1982 · median 2005 among the 193 with a school on file
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular Surgery Physician providers in Pennsylvania

There are 272 vascular surgery physician records in Pennsylvania.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Karla Anderson, MDWilliamsport, PA 177011376500207
  2. Sarah Brown, DOWilliamsport, PA 177011487037065
  3. John Jones, MDWilliamsport, PA 177011215905146
  4. Sai Sajja, MDWilliamsport, PA 177011255384079
  5. Chin-Chin Yeh, MDWilliamsport, PA 177011235358086
  6. Casey Yossa, MDWilliamsport, PA 177011225331184
  7. Jason Comeau, M.D.Lancaster, PA 176031811108152
  8. Brian Cronin, DOLancaster, PA 176031679992382

Common questions

What is Benjamin Bansun Chang, MD's NPI number?

Benjamin Bansun Chang, MD's National Provider Identifier (NPI) is 1023008117, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Bansun Chang, MD located?

The NPPES record lists a practice address at 740 High St Ste 2001, Williamsport, PA, 17701. Phone: (703) 212-8055. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Bansun Chang, MD's license?

NPPES lists Pennsylvania license number MD476246, 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.

How much does Benjamin Bansun Chang, MD prescribe under Medicare Part D?

In 2024, Benjamin Bansun Chang, MD had 118 Medicare Part D claims for 50 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.

What is Benjamin Bansun Chang, MD's MIPS final score?

The 2023 MIPS final score is 81.5 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.