William Soren Mortensen, M.D.
NPI 1700156064ActiveIndividual· Dermatology· Reno, NV
Dermatology (M.D.) in Reno, Nevada, trained at Loma Linda University School of Dentistry (class of 2011). 1,281 Medicare patients in 2024, $507,305 paid; nearly all of their 1,116 Part D prescriptions were generic (90%). Janssen Biotech, Inc. was the largest of 17 companies reporting payments in 2025, $2,610 in all, mostly food and beverage.
Overview
| NPI | 1700156064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 4, 2012 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 15717 | NV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,281 |
|---|---|
| Services billed | 10,942 across 68 procedure codes |
| Paid by Medicare | $507,305 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,116 · 1,311 30-day fills |
|---|---|
| Patients | 487 |
| Total drug cost | $499,376 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Dentistry |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Dermatology |
Medical group
- Integrated Dermatology of Reno-Mortensen PLLCReno, NV · 2 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$2,610 · 189 payments from 17 companies
- 2024$3,591 · 210 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $534.85 | 31 |
| Abbvie Inc. | $425.19 | 36 |
| Leo Pharma Inc. | $191.89 | 11 |
| Novartis Pharmaceuticals Corporation | $186.29 | 11 |
| Ucb, Inc. | $185.63 | 12 |
What the 2025 payments were for
- Food and Beverage$2,538 · 186 payments
- Education$71.41 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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