David Shane Hagemann, PA
NPI 1881675619ActiveIndividual· Physician Assistant· Roseville, CA
Physician Assistant (PA) with Integrated Dermatology of Roseville PC and 1 other group, practicing in Roseville, California. 767 Medicare patients in 2024, $380,989 paid; nearly all of their 648 Part D prescriptions were generic (97%). Genzyme Corporation was the largest of 20 companies reporting payments in 2025, $2,345 in all, mostly food and beverage. Lists Sutter Roseville Medical Center as a hospital affiliation.
Overview
| NPI | 1881675619 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Nov 9, 2005 |
| Last updated in NPPES | Aug 5, 2026 |
| Certified by provider | Aug 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA147050 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 767 |
|---|---|
| Services billed | 10,203 across 66 procedure codes |
| Paid by Medicare | $380,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 648 · 723 30-day fills |
|---|---|
| Patients | 279 |
| Total drug cost | $33,424 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Integrated Dermatology of Roseville PCRoseville, CA · 6 clinicians
- Roseville Dermatology IncRoseville, CA · 6 clinicians
Hospital affiliation
- Sutter Roseville Medical CenterRoseville, CA
Industry payments (Open Payments)
- 2025$2,345 · 118 payments from 20 companies
- 2024$2,499 · 135 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $325.60 | 11 |
| Abbvie Inc. | $262.16 | 17 |
| Incyte Corporation | $231.80 | 10 |
| Leo Pharma Inc. | $212.84 | 12 |
| E.R. Squibb & Sons, L.L.C. | $187.65 | 11 |
What the 2025 payments were for
- Food and Beverage$2,345 · 118 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 physician assistants in Roseville · All physician assistants in California