Joseph X. Kou, MD

Medicare activity in 2024

Official CMS public-use data for Joseph X. Kou, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)350 services
2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)235 services
3. X-ray of foot, minimum of 3 views (73630)213 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)182 services
5. X-ray of ankle, minimum of 3 views (73610)166 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure62%
• Arthritis58%
• Anxiety25%
• Osteoporosis23%
• Depression20%

Hospitals where Joseph X. Kou works

Medicare's Facility Affiliation Data lists Joseph X. Kou at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180

Practice locations

Addresses where Joseph X. Kou is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 Sand Creek Rd, Suite BBrentwood, CA 94513 (925) 939‑8585
• 2405 Shadelands DrWalnut Creek, CA 94598 (925) 939‑8585
• 2625 Shadelands DrWalnut Creek, CA 94598 (925) 939‑8585
• 3315 BroadwayOakland, CA 94611 (800) 943‑8099
• 5201 Norris Canyon RdSan Ramon, CA 94583 (925) 939‑8585

Group practices

Medicare enrollment lists Joseph X. Kou as a member of this group (CMS data updated October 2, 2026).

• Golden State Orthopedics and Spine182 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Brentwood

Clinicians with the same Medicare primary specialty in Brentwood, CA — not a recommendation.

• Murali Moorthy, MD
• Leo A. Calafi, MD
• Tyler Clark, MD
• Louay Toma, MD
• John Kronick, MD
• Charles Preston, MD
• Abid Qureshi, MD
• Eric Fulkerson, MD

All orthopedic surgeons in Brentwood →

Other clinicians in Golden State Orthopedics and Spine

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Kayla Traini, PA
• Murali Moorthy, MD
• Maliheh Massih, MD
• Kevin Lowe, PA
• George Tischenko, MD
• Anamaria Musterer, PT

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians