William Werschler, MD
NPI 1023119682 · Dermatology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Werschler, MD is a Dermatology Physician provider in Spokane, WA (NPI 1023119682).
Provider details
- NPI number
- 1023119682
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00026292 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
2,862 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,221 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 415 | $87 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 263 | $52 |
| Destruction of Skin Growth, 1-14 Growths17110 | 131 | $110 |
| Biopsy of Related Skin Growth, First Growth11102 | 128 | $86 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, 1-5 Tissue Blocks |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 91 | 41 |
| Triamcinolone Acetonide | 67 | 47 |
| Fluorouracil | 62 | 52 |
| Clobetasol Propionate | 58 | 35 |
| Apremilastbrand: Otezla | 45 | — |
| Spironolactone | 38 | — |
| Doxycycline Hyclate | 29 | — |
| Minoxidil | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$118,968 across 223 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
- 2006-09-26
- Last updated
- 2008-03-11
Frequently asked questions
- What is William Werschler's NPI number?
- William Werschler's National Provider Identifier (NPI) is 1023119682, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Werschler's specialty?
- William Werschler is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Werschler located?
- William Werschler's practice location on file with NPPES is 104 W 5th Ave, Spokane, WA 99204-4880.
- What is William Werschler's phone number?
- The practice phone number listed in the NPPES registry for William Werschler is (509) 624-1184.
- Does William Werschler accept Medicare?
- William Werschler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Werschler's NPI active?
- Yes — William Werschler's NPI (1023119682) is active in the NPPES registry as of the last update on 2008-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.