Stephen W Louie, MD

Primary specialty

Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X

License

39656 Issued in MA

Practice address

228 Harrison Ave
Boston, MA 02111-3000

Phone

(617) 423-5511

Fax

(617) 332-1979

NPI assigned

Aug 30, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

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

Internal Medicine

Education

Other, 1966

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tufts Medical Center Hospital, Boston, MA, CCN 220116

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/BJDDBA/Endpoint/BJDDBA

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

• Tufts Medical Center, Inc.

  dba Tufts Medical Center

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1730132515
  Care Compare affiliation

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

{
    "created_epoch": "1125360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700879350",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "228 HARRISON AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021113000",
            "telephone_number": "617-423-5511",
            "fax_number": "617-332-1979"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "228 HARRISON AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021113000",
            "telephone_number": "617-423-5511",
            "fax_number": "617-332-1979"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOUIE",
        "first_name": "STEPHEN",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-30",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "39656",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "MA",
            "license": "39656",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0116629",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "6937",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "M09199",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kevin Joseph Loughlin, D.C.
• Kevin R Loughlin, MD
• Atlee Loughran, MD
• Aaron Louie, MD
• Jack Louie, D.D.S.
• Savannah Louis-Charles, LPN
• Courtney Carla Louis
• David N Louis, MD
• Elizabeth Farrah Louis, M.A.
• Kettie Louis, NP

• Hematology (Internal Medicine) Physician in Boston, MA
• Providers in Boston, MA by specialty
• Hematology (Internal Medicine) Physician in Massachusetts

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