Avian Chien Leong Vincent Chang, M.D.
Surgery Physician · Bangor, ME
Avian Chien Leong Vincent Chang, M.D. is a surgery physician with a practice address in Bangor, Maine, and NPI 1700271178, issued on Apr 2, 2015. Check the license (Maine MD24256, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Avian Chien Leong Vincent Chang
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- MD24256 ME
2020016495 MO
MD470306 PA
MT207986 PA
Self-reported in NPPES; status is on the state search - Practice location
- 417 State St Ste 340, Bangor, ME 04401
- Phone
- (207) 973-4949
- Enumerated
- Apr 2, 2015
- Record last updated
- Mar 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20210720002205); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 417 State St Ste 340
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Applebaum, MDSurgery Physician1053871657
- Horatiu Dancea, M.D.Surgery of the Hand (Surgery) Physician1841455193
- Heather DemarkPhysician Assistant1568165264
- Thomas Nowakowski, M.D.Trauma Surgery Physician1023351368
- Giuseppe SerenaSurgery Physician1265992564
- Andrew Zielinski, PA-CSurgical Physician Assistant1366951501
Verify Avian Chien Leong Vincent Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD24256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average surgery physician in 2024
12 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $20.00
1 payment: education; the largest payer was Csl Behring. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Eastern Maine Medical CenterBangor, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Maine
There are 229 surgery physician records in Maine.
Other surgery physician records in Maine
- Georges Abourjaily, MDPortland, ME1700874104
- Manoucher Afshari, MDLincoln, ME1154387017
- Salah Al-Hashimi, MDSouth Portland, ME1659363703
- Rachael Amador, DOSkowhegan, ME1942707153
- Ratnakar Andalkar, M.D.Norway, ME1194769927
- Philip Anderson, MDKittery, ME1033211792
- Shahriar Anoushfar, D.O.Houlton, ME1841258365
- Anne Applebaum, MDBangor, ME1053871657
- Kevin Baier, M.D.Portland, ME1992192470
- Blair Baldwin, DOBiddeford, ME1467890723
Common questions
What is Avian Chien Leong Vincent Chang, M.D.'s NPI number?
Avian Chien Leong Vincent Chang, M.D.'s National Provider Identifier (NPI) is 1700271178, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Avian Chien Leong Vincent Chang, M.D. located?
The NPPES record lists a practice address at 417 State St Ste 340, Bangor, ME, 04401. Phone: (207) 973-4949. Providers update this record themselves, so call before visiting.
How can I verify Avian Chien Leong Vincent Chang, M.D.'s license?
NPPES lists Maine license number MD24256, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Avian Chien Leong Vincent Chang, M.D. prescribe under Medicare Part D?
In 2024, Avian Chien Leong Vincent Chang, M.D. had 12 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.