William Cornatzer, M.D.
NPI 1952360711 · Dermatology Physician · Bismarck, ND
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Cornatzer, M.D. is a Dermatology Physician provider in Bismarck, ND (NPI 1952360711).
Provider details
- NPI number
- 1952360711
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5189 (ND)
Specialties & taxonomies
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
3,585 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 | 1,427 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 655 | $126 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 594 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 405 | $90 |
| Biopsy of Related Skin Growth, First Growth11102 | 195 | $98 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 143 | 77 |
| Mupirocin | 74 | 62 |
| Clobetasol Propionate | 65 | 37 |
| Cephalexin | 36 | 26 |
| Fluorouracil | 36 | 33 |
| Calcipotriene | 21 | — |
| Metronidazole | 18 | 14 |
| Fluocinonide | 17 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$181 across 2 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
- 2006-03-21
- Last updated
- 2007-09-26
Frequently asked questions
- What is William Cornatzer's NPI number?
- William Cornatzer's National Provider Identifier (NPI) is 1952360711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Cornatzer's specialty?
- William Cornatzer is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Cornatzer located?
- William Cornatzer's practice location on file with NPPES is 225 N 7th St # 2, Bismarck, ND 58501-4417.
- What is William Cornatzer's phone number?
- The practice phone number listed in the NPPES registry for William Cornatzer is (701) 224-1273.
- Does William Cornatzer accept Medicare?
- William Cornatzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Cornatzer's NPI active?
- Yes — William Cornatzer's NPI (1952360711) is active in the NPPES registry as of the last update on 2007-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.