William Workman, M.D.
NPI 1952376352 · Orthopaedic Surgery Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Workman, M.D. is a Orthopaedic Surgery Physician provider in Walnut Creek, CA (NPI 1952376352).
Provider details
- NPI number
- 1952376352
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72343 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,100 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 331 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 217 | $110 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 186 | $134 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 185 | $78 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 60 | $70 |
| X-Ray of Knee, 1-2 Views |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 97 | 60 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 43 | 33 |
| Cephalexin | 40 | 27 |
| Hydroxyzine Pamoate | 29 | 24 |
| Tramadol Hcl | 17 | 12 |
| Celecoxib | 16 | — |
| Meloxicam | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,734 across 22 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-20
- Last updated
- 2025-02-10
- Certified
- 2025-02-10
Frequently asked questions
- What is William Workman's NPI number?
- William Workman's National Provider Identifier (NPI) is 1952376352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Workman's specialty?
- William Workman is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Workman located?
- William Workman's practice location on file with NPPES is 390 N Wiget Ln Ste 100, Walnut Creek, CA 94598-2450.
- What is William Workman's phone number?
- The practice phone number listed in the NPPES registry for William Workman is (925) 944-0110.
- Does William Workman accept Medicare?
- William Workman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Workman's NPI active?
- Yes — William Workman's NPI (1952376352) is active in the NPPES registry as of the last update on 2025-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.