Orthoninja LLC

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

Legal business name

ORTHONINJA LLC

Practice address

50 Elmhurst Rd
Newton, MA 02458-2233

Phone

(650) 387-5729

NPI assigned

Feb 14, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Eric FuNPI 1558598375

Title

Ceo/Surgeon

Phone

(650) 387-5729

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Eric C Fu, M.D.

  • Orthopaedic Hand Surgery Physician
  • Peabody, MA
  • NPI 1558598375

  Orthopaedic Surgery

  NPD Authorized official

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

{
    "created_epoch": "1771027200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771027200000",
    "number": "1831041433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 ELMHURST RD",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024582233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 ELMHURST RD",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024582233",
            "telephone_number": "650-387-5729"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ORTHONINJA LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-14",
        "last_updated": "2026-02-14",
        "certification_date": "2026-02-14",
        "status": "A",
        "authorized_official_last_name": "FU",
        "authorized_official_first_name": "ERIC",
        "authorized_official_title_or_position": "CEO/SURGEON",
        "authorized_official_telephone_number": "650-387-5729",
        "authorized_official_name_prefix": "Dr."
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diana Fischmann Orenstein, RD
• Marsha Ann Orlando, CRNA
• Alex B. Orlikov, M.D., PH.D
• Vanessa Audrey Orneus, RN
• Orson Smiles LLC
• Orthopedics New England, Inc
• Lissa Ortiz
• Abigail Osei-Tutu, LICSW
• Christina Marie Ostan Maxwell, MA
• Ota the Koomar Center, LLC

• Orthopaedic Surgery Physician in Newton, MA
• Providers in Newton, MA by specialty
• Orthopaedic Surgery Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.