Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Avian Chien Leong Vincent Chang, MD

Individual provider Surgery Physician · NPI 1700271178

Dr. Avian Chien Leong Vincent Chang, MD is a General Surgery in Bangor, Maine. Qualified in 2014, 12 years ago. Practices with Eastern Maine Medical Center, a 659-clinician group and accepts Medicare assignment. Licensed in Maine, Missouri and Pennsylvania.

Years since qualifying
12
Licensed in
ME, MO, PA
In the registry since
2015
Specialties on file
6
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

417 State St Ste 340
Bangor, ME 04401-6634
Phone: (207) 973-4949
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MD24256 (ME)
Surgery Physician Taxonomy 208600000X · Licence MT207986 (PA)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence 2020016495 (MO)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence MD470306 (PA)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence MD24256 (ME)
Trauma Surgery Physician Taxonomy 2086S0127X · Licence MD24256 (ME)

Record details

NPI number1700271178
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2015
Last updated in NPPESMarch 10, 2022
Certification dateMarch 10, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Eastern Maine Medical Center — 659 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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