Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Semon Bader, MD

Individual provider Sports Medicine (Orthopaedic Surgery) Physician · NPI 1750581278

Semon Bader, MD is an Orthopedic Surgery in Concord, California. Qualified in 2005, 21 years ago. Practices with Golden State Orthopedics and Spine, a 190-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1800 Sutter St Ste 100
Concord, CA 94520-2530
Phone: (925) 939-8585
Fax: (925) 933-2709
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 101 Sand Creek Rd Ste A, Brentwood, CA 94513-2539 — (925) 939-8585
  • 2625 Shadelands Dr, Walnut Creek, CA 94598-2512 — (925) 939-8585

Specialties & licences

Sports Medicine (Orthopaedic Surgery) Physician (primary) Taxonomy 207XX0005X · Licence A98350 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence A98350 (CA)

Record details

NPI number1750581278
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 23, 2007
Last updated in NPPESNovember 7, 2025
Certification dateNovember 7, 2025
Mailing addressPo Box 31396, Walnut Creek, CA 94598-8396

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Golden State Orthopedics And Spine — 190 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services