John Muir Trauma Physicians Billing Service

Primary specialty

Trauma Surgery PhysicianTaxonomy code 2086S0127X

Legal business name

JOHN MUIR TRAUMA PHYSICIANS BILLING SERVICE

Practice address

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122

Phone

(925) 947-5331

Fax

(925) 941-2177

NPI assigned

Jan 9, 2007

Last updated

Feb 16, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Ted Wang

Title

Cfo

Phone

(925) 939-3000

Specialties & licenses 15

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Other NPIs on the same Medicare enrollment 3

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

• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837

  O20050420001452

  Same enrollment
• John Muir Trauma Physicians Billing Service

  • Neurological Surgery Physician
  • Walnut Creek, CA
  • NPI 1457400293

  O20050420001452

  Same enrollment
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1720137565

  O20050420001452

  Same enrollment

Member of 3

Organizations this organization is a member of, according to the National Provider Directory.

• John Muir Behavioral Health

  dba John Muir Behavioral Health Center

  • Psychiatric Hospital
  • Concord, CA
  • NPI 1215962782

  Member Of

  NPD member
• John Muir Health

  • Community/Retail Pharmacy
  • Walnut Creek, CA
  • NPI 1265202725

  Member Of

  NPD member
• John Muir Health

  dba John Muir Home Health Services

  • Home Health Agency
  • Concord, CA
  • NPI 1437161452

  Member Of

  NPD member

Locations

Practitioners 787

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.

• Hazel Mae Artap Abraham, M.D.

  • Hospitalist Physician
  • Grass Valley, CA
  • NPI 1194011213
  NPD
• Simon Gedali Abramson, MD

  • Diagnostic Radiology Physician
  • Palo Alto, CA
  • NPI 1609106137
  NPD
• Nagui Achamallah, M.D.

  • Psychiatry Physician
  • Modesto, CA
  • NPI 1629057393
  NPD
• Geoffrey Robert Adey, MD

  • Neurological Surgery Physician
  • Walnut Creek, CA
  • NPI 1447362520
  NPD
• Johnson O Adeyanju, M.D.

  • Internal Medicine Physician
  • Concord, CA
  • NPI 1467403147
  NPD
• Reema Agarwal, MD

  • Diagnostic Radiology Physician
  • San Francisco, CA
  • NPI 1730649278
  NPD
• Piyush Aggarwal, MD

  • Colon & Rectal Surgery Physician
  • Walnut Creek, CA
  • NPI 1700070273
  NPD
• Jorge Aguilar, M.D.

  • Anesthesiology Physician
  • Walnut Creek, CA
  • NPI 1275777641
  NPD
• Dimple Ajwani, D.O.

  • Family Medicine Physician
  • Roseville, CA
  • NPI 1053687152
  NPD
• Harith S Hammoodi Al-Shuwaykh, M.D.

  • Hospitalist Physician
  • Carmichael, CA
  • NPI 1053604918
  NPD
• Omar Al-Shuwaykh, M.D

  • Gastroenterology Physician
  • Walnut Creek, CA
  • NPI 1275967143
  NPD
• Ravi Alagappan, MD

  • Diagnostic Radiology Physician
  • San Ramon, CA
  • NPI 1063467355
  NPD

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

{
    "created_epoch": "1168300800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771200000000",
    "number": "1962551861",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1400 TREAT BLVD FL 3",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972142",
            "telephone_number": "844-380-3004",
            "fax_number": "925-941-2177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 YGNACIO VALLEY RD",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983122",
            "telephone_number": "925-947-5331",
            "fax_number": "925-941-2177"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHN MUIR TRAUMA PHYSICIANS BILLING SERVICE",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-09",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A",
        "authorized_official_last_name": "WANG",
        "authorized_official_first_name": "TED",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "925-939-3000"
    },
    "taxonomies": [
        {
            "code": "204E00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Oral & Maxillofacial Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Emergency Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Infectious Disease",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Ophthalmology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207XX0801X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery, Orthopaedic Trauma",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Y00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Otolaryngology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2081P0004X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Medicine & Rehabilitation, Spinal Cord Injury Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Diagnostic Radiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2086S0122X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery, Plastic and Reconstructive Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Surgery, Trauma Surgery",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "208800000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Urology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Muir Physician Network
• John Muir Trauma Physician Medical Group
• John Muir Trauma Physicians Billing Service
• John Muir Trauma Physicians Billing Service
• John Muir Trauma Physicians Billing Service
• John R. Rostkowski, M.D. P.C.
• John W. Scivally, D.P.M Inc
• Mary Rose John
• Jessica Lee Iwalani Johns, M.D.
• Madeline Johns

• Trauma Surgery Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Trauma Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 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.