Timothy Zeng, OTR/L

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

Practice address

2625 Shadelands Dr
Walnut Creek, CA 94598-2512

Phone

(925) 939-8585

NPI assigned

Jul 2, 2025

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 names 1

• Tim Zeng Other name

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Specialty

Occupational Therapist in Private Practice

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Golden State Orthopedics and SpineGroup PAC ID 8224940739, 186 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: timothy.zengdo.p1@direct.muirortho.nextgenshare.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.

• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
  • NPI 1972552990
  Medicare reassignment Care Compare group NPD
• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • San Jose, CA
  • NPI 1245021401
  NPD
• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • San Francisco, CA
  • NPI 1457004897
  NPD (past)

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

{
    "created_epoch": "1751414400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751414400000",
    "number": "1962391862",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31396",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945988396"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2625 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-939-8585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZENG",
        "first_name": "TIMOTHY",
        "credential": "OTR/L",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-02",
        "last_updated": "2025-07-02",
        "certification_date": "2025-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225XH1200X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Hand",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TIM",
            "last_name": "ZENG",
            "credential": "OTR/L",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Lisa Zec, FNP
• Shaundra Zee, M.S.
• Faiqa Zeh Husain
• Timothy Zempoalteca
• Leonard Zeng
• Wen Zeng
• Bradley William Zerweck, M.D.
• Beldon Zhang
• Chousheng Zhang, MD
• Kenny Zhang

• Occupational Therapist in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Occupational Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.