Doctor profile · Federal record

Dr. William Workman, M.D.

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

  • NPI 1952376352
  • Accepts Medicare
  • MIPS 87.3 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
390 N Wiget Ln Ste 100
Walnut Creek, CA 945982450
(925) 944-0110
fax (925) 944-0960

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
February 10, 2025
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #A72343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952376352. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,324
Distinct HCPCS
10
Medicare allowed
$164,219
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 433 245 $153
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 252 109 $7
99203 New patient office or other outpatient visit, 30-44 minutes 189 189 $134
20610 Aspiration and/or injection of fluid from large joint 181 102 $71
99213 Established patient office or other outpatient visit, 20-29 minutes 92 83 $108
73560 X-ray of knee, 1-2 views 59 46 $45
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose 26 12 $694
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 22 18 $123
72170 X-ray of pelvis, 1-2 views 21 18 $37
73502 X-ray of hip, 2-3 views 17 12 $60

In context: peer comparison

Among 3 peers in Walnut Creek Orthopaedic Surgery Physician, average services per provider: 628. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,734
Transactions
22
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 6 $5,944.82
Evolution Surgical, INC 7 $1,404.89
Avanos Medical 3 $178.35
Heron Therapeutics, INC. 2 $102.60
Breg, INC 1 $36.18
Medtronic, INC. 1 $29.43
Stryker Corporation 1 $18.90
Moximed, INC 1 $18.58

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$5,000
Travel and Lodging
$1,961
Food and Beverage
$773

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
212
Patients
114
Total drug cost
$2,391
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 58 36 $667
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 36 $427
Cephalexin Generic 25 18 $141
Tramadol Hcl Generic 25 11 $110
Celecoxib Generic 17 0 $339
Gabapentin Generic 15 0 $596
Hydroxyzine Pamoate Generic 15 13 $81
Meloxicam Generic 11 0 $31

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Workman's medical specialty?
Dr. William Workman practices Orthopaedic Surgery Physician in Walnut Creek, CA.
Where does Dr. William Workman practice?
Dr. William Workman practices at 390 N Wiget Ln Ste 100, Walnut Creek, CA 945982450. Office phone: 9259440110.
What is Dr. William Workman's NPI?
Dr. William Workman's National Provider Identifier (NPI) is 1952376352, issued by NPPES.
Does Dr. William Workman accept Medicare assignment?
Yes. Dr. William Workman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Workman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.