Narae Ko, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

274680 Issued in MA

Practice address

800 Washington St
Boston, MA 02111

Phone

(617) 636-5000

NPI assigned

Jun 11, 2012

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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

Ophthalmology

Education

Yale University School of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Arinella Williams LLCGroup PAC ID 5193815736, 2 clinicians

Pratt Ophthalmology Associates IncGroup PAC ID 8628960218, 55 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tufts Medical Center Hospital, Boston, MA, CCN 220116
• Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nko29440@tuftsmedicine.direct-ci.com

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.

• Arinella Williams LLC

  • Ophthalmology Physician
  • Worcester, MA
  • NPI 1346437688
  Medicare reassignment Care Compare group
• Pratt Ophthalmology Associates Inc

  • Ophthalmology Physician
  • Boston, MA
  • NPI 1083660534
  Medicare reassignment Care Compare group
• Putnoi Eye Care, P.C.

  • Ophthalmology Physician
  • Waltham, MA
  • NPI 1649515131
  Medicare reassignment NPD

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

• Newton-Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1992737761
  Care Compare affiliation
• Tufts Medical Center, Inc.

  • 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": "1339372800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773446400000",
    "number": "1649532276",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02111",
            "telephone_number": "617-636-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KO",
        "first_name": "NARAE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-11",
        "last_updated": "2026-03-14",
        "certification_date": "2026-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MA",
            "license": "274680",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Donna Ko
• Eunji Ko
• Hui-Yuan Ko, D.D.S.
• Kang Hoon Ko
• Naomi Ko, M.D.
• Phebe Sill Ko
• Vincent Ko, MD
• Koa Health Digital Solutions, LLC
• Koala Pharmacy Boston LLC
• Debbie Koay, PHARMD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 14, 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.