David Alan Tack, M.D.
NPI 1124032990ActiveIndividual· Dermatology· Carson City, NV
Dermatology (M.D.) in Carson City, Nevada, trained at University of Nevada School of Medicine (class of 1999). 1,886 Medicare patients in 2024, $922,728 paid; nearly all of their 812 Part D prescriptions were generic (98%). Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $637.52 in all, mostly food and beverage.
Overview
| NPI | 1124032990 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 11209 | 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 | 1,886 |
|---|---|
| Services billed | 16,782 across 102 procedure codes |
| Paid by Medicare | $922,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 812 · 869 30-day fills |
|---|---|
| Patients | 469 |
| Total drug cost | $104,441 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Nevada School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Dermatology |
Medical group
- Clemmensen, Adams, and Tack PSCCarson City, NV · 8 clinicians
Hospital affiliation
- Carson Tahoe Regional Medical CenterCarson City, NV
Industry payments (Open Payments)
- 2025$637.52 · 28 payments from 9 companies
- 2024$714.50 · 35 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $191.54 | 10 |
| Novartis Pharmaceuticals Corporation | $96.58 | 5 |
| Regeneron Healthcare Solutions, Inc. | $65.49 | 2 |
| Sun Pharmaceutical Industries Inc. | $62.29 | 2 |
| Genzyme Corporation | $61.01 | 2 |
What the 2025 payments were for
- Food and Beverage$607.72 · 27 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$29.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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