Claire Ruth Trefethen, OTD

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

027577 Issued in NY

Practice address

41 Clark St
Brooklyn, NY 11201-2415

Phone

(646) 518-5566

NPI assigned

Sep 16, 2021

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Claire Katherine Ruth Former name

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Specialty

Occupational Therapist in Private Practice

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Spear Physical and Occupational Therapy, LLCGroup PAC ID 6901832112, 582 clinicians

Lisa Blum Physical Therapy PLLCGroup PAC ID 4981007549, 9 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Spear Physical and Occupational Therapy, LLC

  • Physical Therapy Clinic/Center
  • New York, NY
  • NPI 1063454577

  Occupational Therapist

  Medicare reassignment Care Compare group NPD
• Lisa Blum Physical Therapy PLLC

  • Physical Therapist
  • New York, NY
  • NPI 1346823069
  Medicare reassignment Care Compare group
• Fox Rehabilitation Physical Therapy Services LLC

  • Physical Therapist
  • New York, NY
  • NPI 1174560650

  Occupational Therapist

  Medicare reassignment NPD

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

{
    "created_epoch": "1631750400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1740950138",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "102 MADISON AVE FL 8",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100167584",
            "telephone_number": "212-759-2282",
            "fax_number": "212-379-2123"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "41 CLARK ST",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112012415",
            "telephone_number": "646-518-5566"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "65 E University Dr",
            "address_purpose": "LOCATION",
            "city": "Tempe",
            "state": "AZ",
            "postal_code": "852811091",
            "country_code": "US",
            "telephone_number": "480-317-4444",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TREFETHEN",
        "first_name": "CLAIRE",
        "middle_name": "RUTH",
        "credential": "OTD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-09-16",
        "last_updated": "2025-04-17",
        "certification_date": "2025-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "AZ",
            "license": "OTH-008610",
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "NY",
            "license": "027577",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CLAIRE",
            "last_name": "RUTH",
            "middle_name": "KATHERINE",
            "credential": "OTD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Marlene Trebitsch
• Meghan Eileen Treder, P.T, M.S.P.T, D.P.T
• Tree of Life RX Inc
• Susan Brenda Tree, CDR, RD
• William R. Treem, M.D.
• Shaindy Treff, DDS
• Ambica Nath Trehan
• Molly Trehey, PA-C
• Andrew Marc Treihaft, MD
• Stuart Allan Treitel, P.A.

• Occupational Therapist in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Occupational Therapist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.