Joseph Xavier Kou, M.D.

Primary specialty

Orthopaedic Foot and Ankle Surgery PhysicianTaxonomy code 207XX0004X

License

A99887 Issued in CA

Practice address

2625 Shadelands Dr
Walnut Creek, CA 94598-2512

Phone

(925) 939-8585

Fax

(925) 933-2709

NPI assigned

May 18, 2007

Last updated

Nov 12, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Orthopedic Surgery

Education

Wayne State University School of Medicine, 2002

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)

Hospital & facility affiliations

• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as group

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: joseph.kou@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
  • NPI 1972552990

  Foot and Ankle Surgery

  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• Golden State Orthopedics & Spine

  • Orthopaedic Surgery Physician
  • San Jose, CA
  • NPI 1245021401
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• Golden State Orthopedics & Spine

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

  • Rehabilitation Hospital Unit
  • Walnut Creek, CA
  • NPI 1447269303
  NPD (past)
• John Muir Health

  dba John Muir Health Medical Center, Concord Campus

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  NPD (past)
• San Ramon Regional Medical Center, LLC

  • General Acute Care Hospital
  • San Ramon, CA
  • NPI 1932131489
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• John Muir Health

  dba John Muir Health, Walnut Creek Medical Center

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation

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

{
    "created_epoch": "1179446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762905600000",
    "number": "1518175868",
    "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",
            "telephone_number": "925-939-8585",
            "fax_number": "925-933-2709"
        },
        {
            "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",
            "fax_number": "925-933-2709"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5201 Norris Canyon Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "San Ramon",
            "state": "CA",
            "postal_code": "945835405",
            "country_code": "US",
            "telephone_number": "925-939-8585",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOU",
        "first_name": "JOSEPH",
        "middle_name": "XAVIER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-18",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0004X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Foot and Ankle Surgery",
            "state": "CA",
            "license": "A99887",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Deborah Lorraine Koos, RD, MS, CDE
• Paul C. Korn, MD
• Kory Stotesbery DO, Inc. (SF Bay Psychiatry)
• Robert E. Koshlap, MD
• Diane K. Kosters, PH.D.
• Joseph Johnny Koudsi, PSY.D.
• Kourosh Harandi Dental Practice
• Theophile G. Koury, M.D.
• Elizabeth Kramer, LMFT
• Kristina Kramer, M.D.

• Orthopaedic Foot and Ankle Surgery Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Orthopaedic Foot and Ankle Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.