Karen T. Hopp, MD
NPI 1831180975ActiveIndividual· Psychiatry & Neurology, Psychiatry· Woodland, CA
Psychiatry & Neurology, Psychiatry (MD) in Woodland, California, trained at University of California, Davis School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $101,159 for 1,558 claims, against $31,139 paid for services in 2024.
Overview
| NPI | 1831180975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 28, 2005 |
| Last updated in NPPES | May 25, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A84575 | CA |
| Family Medicine | 207Q00000X | A84575 | 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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 349 across 13 procedure codes |
| Paid by Medicare | $31,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,558 · 2,124 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $101,159 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Psychiatry |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 psychiatrists in Woodland · All psychiatrists in California