Doctor profile · Federal record

Dr. Semon Bader, M.D.

Sports Medicine (Orthopaedic Surgery) Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Concord, CA

  • NPI 1750581278
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1800 Sutter St Ste 100
Concord, CA 945202530
(925) 939-8585
fax (925) 933-2709
Additional location
101 Sand Creek RD Ste A
Brentwood, CA 945132539
Additional location
2625 Shadelands Dr
Walnut Creek, CA 945982512
Mailing address
Po Box 31396
Walnut Creek, CA 945988396

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
November 7, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207XX0005X — NUCC code
State license (1)
California #A98350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750581278. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,305
Distinct HCPCS
10
Medicare allowed
$192,013
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 325 225 $149
J1030 Injection, methylprednisolone acetate, 40 mg 191 124 $6
20610 Aspiration and/or injection of fluid from large joint 152 124 $78
73564 X-ray of knee, 4 or more views 134 76 $61
99204 New patient office or other outpatient visit, 45-59 minutes 86 86 $194
99213 Established patient office or other outpatient visit, 20-29 minutes 73 66 $107
73030 X-ray of shoulder, minimum of 2 views 52 45 $45
72148 Mri scan of lower spinal canal without contrast 42 42 $201
73721 Mri scan of leg joint without contrast 38 36 $218
29827 Repair of shoulder rotator cuff using an endoscope 37 37 $1,195

In context: peer comparison

Among 1 peers in this city , average services per provider: 68. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,267
Transactions
38
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Arthrex, Inc. 20 $4,193.52
Evolution Surgical, Inc 12 $2,610.02
Miach Orthopaedics, Inc. 1 $153.45
Smith+Nephew, Inc. 1 $145.32
Arcuro Medical Inc 1 $82.34
Stryker Corporation 1 $39.44
Orthofix Medical, Inc. 1 $24.27
Bioventus LLC 1 $18.69

By nature of payment

Travel and Lodging
$3,463
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$2,500
Food and Beverage
$1,304

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
17
Total drug cost
$184
Drug Type Claims Patients Total cost
Methylprednisolone Generic 19 17 $184

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Semon Bader's medical specialty?
Dr. Semon Bader practices Sports Medicine (Orthopaedic Surgery) Physician in Concord, CA.
Where does Dr. Semon Bader practice?
Dr. Semon Bader practices at 1800 Sutter St Ste 100, Concord, CA 945202530. Office phone: 9259398585.
What is Dr. Semon Bader's NPI?
Dr. Semon Bader's National Provider Identifier (NPI) is 1750581278, issued by NPPES.
Does Dr. Semon Bader accept Medicare assignment?
Yes. Dr. Semon Bader accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Semon Bader commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.