Michael A. Chang, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

59606 Issued in MA

Practice address

110 Hartwell Ave Ste 201
Lexington, MA 02421-3118

Phone

(781) 890-1023

NPI assigned

Sep 22, 2005

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Ophthalmology

Education

Harvard Medical School, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Massachusetts Eye and Ear Associates, IncGroup PAC ID 4486540275, 430 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: chang.michael.ocb@direct.partners.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Massachusetts Eye and Ear Associates, Inc.

  • Ophthalmology Physician
  • Boston, MA
  • NPI 1932574332
  Medicare reassignment Care Compare group NPD
• Ophthalmic Consultants of Boston, Inc.

  dba Ophthalmic Consultants of Boston

  • Ophthalmology Physician
  • Boston, MA
  • NPI 1730404328
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Massachusetts Eye and Ear Infirmary

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1639101751
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1127347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691971200000",
    "number": "1366438624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 HARTWELL AVE STE 201",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024213118",
            "telephone_number": "781-890-1023"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 HARTWELL AVE STE 201",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024213118",
            "telephone_number": "781-890-1023"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "MICHAEL",
        "middle_name": "A.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-22",
        "last_updated": "2023-08-14",
        "certification_date": "2023-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MA",
            "license": "59606",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Chang.Michael.OCB@direct.partners.masshiway.net",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "97 Libbey Industrial Pkwy Ste 100",
            "city": "East Weymouth",
            "state": "MA",
            "country_code": "US",
            "postal_code": "021893110",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Youngjoo Cha, D.M.D.
• Danielle Marie Chamberland
• Annika Chan
• Fong Chan, MSW
• Helen Chan, NP
• Catherine A Chapman, MD
• Charles M. Alperin, Licsw, LLC
• Louisa Chase, LICSW
• Sean Chase
• Marsha Ina Chaskelson, PH.D.

• Ophthalmology Physician in Lexington, MA
• Providers in Lexington, MA by specialty
• Ophthalmology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.