Megan Chan, MD

Primary specialty

Sleep Medicine (Family Medicine) PhysicianTaxonomy code 207QS1201X

License

291531 Issued in MA

Practice address

133 Brookline Ave
Boston, MA 02215-3904

Phone

(617) 657-6465

NPI assigned

May 25, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Family PracticeAlso: Sleep Medicine

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Atrius Health IncGroup PAC ID 4789588641, 1,214 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mchanmd348823@direct.atrius.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.

• Atrius Health, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1871639914
  Medicare reassignment Care Compare group NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Beverly, MA
  • NPI 1114265634
  NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Cambridge, MA
  • NPI 1427271584
  NPD
• Atrius Health, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1740238526
  NPD (past)

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

{
    "created_epoch": "1527206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1720579774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-657-6465",
            "fax_number": "617-421-1063"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022153904",
            "telephone_number": "617-657-6465"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAN",
        "first_name": "MEGAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-25",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QS1201X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Sleep Medicine",
            "state": "MA",
            "license": "291531",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "MD474886",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lan Chan, MD
• Leana Y Chan, NP
• Livia Chan
• Mandy Chan
• Maravanna Chan, CRNP
• Michael Chan, PHARMD, RPH
• Michelle Chan
• Michelle Chan, FNP-BC
• Olivia Chan
• Patrick Kiu Tao Chan, D.M.D.

• Sleep Medicine (Family Medicine) Physician in Boston, MA
• Providers in Boston, MA by specialty
• Sleep Medicine (Family Medicine) Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 2026; 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.