Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael A. Chang, MD

Individual provider Ophthalmology Physician · NPI 1366438624

Michael A. Chang, MD is an Ophthalmology in Lexington, Massachusetts. Graduated from Harvard Medical School in 1984, 42 years ago. Practices with Massachusetts Eye and Ear Associates, Inc, a 410-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
42
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2005
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

110 Hartwell Ave Ste 201
Lexington, MA 02421-3118
Phone: (781) 890-1023
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 59606 (MA)

Record details

NPI number1366438624
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 22, 2005
Last updated in NPPESAugust 14, 2023
Certification dateAugust 14, 2023
Mailing address110 Hartwell Ave Ste 201, Lexington, MA 02421-3118

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1984 (42 years in practice)
Group practice Massachusetts Eye And Ear Associates, Inc — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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