Quick answers
- Does William P. Werschler Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William P. Werschler Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William P. Werschler Jr. see?
- In 2024, CMS data shows 561 Original Medicare patients and 2,999 services for William P. Werschler Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William P. Werschler Jr.'s NPI number?
- 1023119682. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William P. Werschler Jr., 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.
| Original Medicare patients | 561 |
|---|---|
| Services billed to Medicare | 2,999 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,221 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)415 services
- Destruction of precancer skin growth, 1 growth (17000)263 services
- Destruction of skin growth, 1-14 growths (17110)131 services
- Biopsy of related skin growth, first growth (11102)128 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 cholesterol68%
- High blood pressure56%
- Arthritis43%
- Ischemic heart disease18%
- Diabetes17%
- Atrial fibrillation17%
Practice locations
Addresses where William P. Werschler Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 324 S Sherman St, Suite A1Spokane, WA 99202 (509) 624‑1184
Group practices
Medicare enrollment lists William P. Werschler Jr. as a member of this group (CMS data updated October 2, 2026).
- Spokane Dermatology Clinic PS5 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Spokane
Clinicians with the same Medicare primary specialty in Spokane, WA — not a recommendation.
Other clinicians in Spokane Dermatology Clinic PS
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023119682 |
| Corrections | Report an error or suggest an update → |
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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians