NPIMap

Organization Active NPI

Bass Medical Group

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
National Provider Identifier
1043616600
Registry record updated Mar 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
A42343 Issued in CA
Legal business name
BASS MEDICAL GROUP
Practice address
390 N Wiget LN Ste 100
Walnut Creek, CA 94598-2450
Phone
(925) 944-0110
Fax
(925) 944-0960
NPI assigned
Nov 10, 2014
Last updated
Mar 9, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2026

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

Authorized official

Name
Inez Wondeh
Title
Ceo
Phone
(925) 948-8143

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X A42343 CA Primary
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X A42343 CA

Addresses

Primary practice location

390 N Wiget LN Ste 100
Walnut Creek, CA 94598-2450

Mailing address

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 948-8143

Other identifiers 1

IdentifierTypeStateIssuer
7360010001OtherNSC MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20070201000181 CA Part B Supplier - Clinic/Group Practice 9032111281 Receives reassigned benefits from 425 practitioners
9 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
O20150717001614 CA DME Supplier - Physician - Orthopedic/Orthopedic Surgery 9032111281 Practice locations: Walnut Creek, CA

Other NPIs with the same Medicare PAC ID 12

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Other NPIs on the same Medicare enrollment 9

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory

Locations

490 Post St
Ste 336
San Francisco, CA 94102
Phone (415) 578-5590

Interoperability endpoints

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

Practitioners & affiliated clinicians

Practitioners 57

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 57

NPI Registry JSON

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

{
    "created_epoch": "1415577600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773014400000",
    "number": "1043616600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-948-8143",
            "fax_number": "925-627-3560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "390 N WIGET LN STE 100",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982450",
            "telephone_number": "925-944-0110",
            "fax_number": "925-944-0960"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BASS MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-11-10",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A",
        "authorized_official_last_name": "WONDEH",
        "authorized_official_first_name": "INEZ",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "925-948-8143"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "A42343",
            "primary": true
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "CA",
            "license": "A42343",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NSC MEDICARE",
            "identifier": "7360010001",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.