Michael A Chang, MD - Medicare Ophthalmology in Lexington, MA

Michael A Chang, MD is a medicare enrolled "Ophthalmology" physician in Lexington, Massachusetts. He went to Harvard Medical School and graduated in 1984 and has 40 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Massachusetts Eye And Ear Associates, Inc and his current practice location is 110 Hartwell Ave Ste 201, Lexington, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 890-1023.

Michael A Chang is licensed to practice in Massachusetts (license number 59606) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1366438624.

Contact Information

Michael A Chang, MD
110 Hartwell Ave Ste 201,
Lexington, MA 02421-3118
(781) 890-1023
Not Available



Physician's Profile

Full NameMichael A Chang
GenderMale
SpecialityOphthalmology
Experience40 Years
Location110 Hartwell Ave Ste 201, Lexington, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Michael A Chang attended and graduated from Harvard Medical School in 1984
  NPI Data:
  • NPI Number: 1366438624
  • Provider Enumeration Date: 09/22/2005
  • Last Update Date: 08/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5597679977
  • Enrollment ID: I20050407000363

Medical Identifiers

Medical identifiers for Michael A Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366438624NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 59606 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Massachusetts Eye And Ear Infirmary -Boston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Massachusetts Eye And Ear Associates, Inc4486540275337

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Michael A Chang allows following entities to bill medicare on his behalf.
Entity NameMassachusetts Eye And Ear Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932574332
PECOS PAC ID: 4486540275
Enrollment ID: O20040227000123

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Michael A Chang is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Michael A Chang, MD
110 Hartwell Ave Ste 201,
Lexington, MA 02421-3118

Ph: (781) 890-1023
Michael A Chang, MD
110 Hartwell Ave Ste 201,
Lexington, MA 02421-3118

Ph: (781) 890-1023

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Ophthalmology Doctors in Lexington, MA

Daniel W Tolpin, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    
Dr. Nancy S Slater, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 48 North St, Lexington, MA 02420
Phone: 781-862-7893    Fax: 781-862-7893
Dr. Olivia Liao, MD
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    Fax: 781-863-9416
Dr. Jared E Duncan, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    
Kenneth Matthew Mckay, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 110 Hartwell Ave Ste 101, Lexington, MA 02421
Phone: 781-890-1023    
Dr. Ann Pawlowski Burnham, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    Fax: 781-863-9416
Dr. Jennifer Mullon, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    

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