NPIMap

Individual provider Active NPI

Yonghyun Lee, M.D.

  • Internal Medicine Physician
  • Framingham, MA
National Provider Identifier
1104278027
Registry record updated Sep 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
280251 Issued in MA
Practice address
61 Lincoln St Ste 301
Framingham, MA 01702-8264
Phone
(508) 820-8332
Fax
(508) 270-4524
NPI assigned
Jul 2, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 280251 MA Primary

Addresses

Primary practice location

61 Lincoln St Ste 301
Framingham, MA 01702-8264

Mailing address

61 Lincoln St Ste 301
Framingham, MA 01702-8264
Phone (508) 820-8332

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address Lee.Yonghyun.CRM@direct.partners.masshiway.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190920001291 MA Practitioner - Internal Medicine 6507196391 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

571 Union Ave
Suite 101
Framingham, MA 01702-5829
Phone (508) 665-5006

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group, Inc. CurrentSince Sep 2, 2019 Accepting new patients
Charles River Medical Associates PC CurrentSince Apr 15, 2024 Accepting new patients
Charles River Medical Associates PC Internal Medicine CurrentSince Apr 15, 2024 Accepting new patients
Yonghyun Lee MD PC Current Accepting new patients
Umass Memorial Medical Group Inc Internal Medicine CurrentSince Sep 2, 2019 Accepting new patients
Charles River Medical Associates, PC Past Accepting new patients

Locations

171 Main St
Ste 203B
Ashland, MA 01721
Phone (508) 881-3029

76 Summer St
Fitchburg, MA 01420
Phone (978) 342-6018

370 Lunenburg St
Fitchburg, MA 01420
Phone (978) 343-2775

600 Worcester Rd
Ste 504
Framingham, MA 01702
Phone (508) 875-0922

571 Union Ave
Ste 101
Framingham, MA 01702
Phone (508) 628-9893

61 Lincoln St
Ste 301
Framingham, MA 01702
Phone (508) 820-8332

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Interoperability endpoints

  • Direct secure messaging: lee.yonghyun.crm@direct.partners.masshiway.net

Organizations & group practices 6

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1467417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789257600000",
    "number": "1104278027",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "61 LINCOLN ST STE 301",
            "city": "FRAMINGHAM",
            "state": "MA",
            "postal_code": "017028264",
            "telephone_number": "508-820-8332",
            "fax_number": "508-270-4524"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "61 LINCOLN ST STE 301",
            "city": "FRAMINGHAM",
            "state": "MA",
            "postal_code": "017028264",
            "telephone_number": "508-820-8332",
            "fax_number": "508-270-4524"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEE",
        "first_name": "YONGHYUN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-07-02",
        "last_updated": "2026-09-13",
        "certification_date": "2026-09-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "280251",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Lee.Yonghyun.CRM@direct.partners.masshiway.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "571 Union Ave Ste 101",
            "city": "Framingham",
            "state": "MA",
            "country_code": "US",
            "postal_code": "017025829",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Framingham, MA

Sources for this page

Verify at the official NPI Registry.