Medicare Part D Prescribers in Walnut Creek, California
20 flagged and high-volume prescribers across 6 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
20
Providers
$24.4M
Total Drug Cost
0
High Risk
5.5%
Avg Opioid Rate
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Daisy-Scarlett Maccallum | 85,003 | $23.3M |
| Niceto Lopez | 9,759 | $804K |
| Joseph Henry | 3,160 | $256K |
| Jasleen Sohal | 1,955 | $87K |
| Thomas Cresante | 319 | $20K |
| Brook Woolley | 164 | $6,027 |
| Jessica Linnane | N/A | N/A |
| Syed Naqvi | N/A | N/A |
| Haley Kirkpatrick | N/A | N/A |
| Jared Domaguing | N/A | N/A |
| Joan Hart | N/A | N/A |
| Angela Danko | N/A | N/A |
| Sally Kang | N/A | N/A |
| Abhindrajeet Sandhu | N/A | N/A |
| Laura Davis | N/A | N/A |
| Timothy Tareque | N/A | N/A |
| Karen Spizer | N/A | N/A |
| Julia Rowland | N/A | N/A |
| Angela Malatesta | N/A | N/A |
| Gayle Fenner | N/A | N/A |
Specialties in Walnut Creek
Nurse Practitioner
10 providers
Internal Medicine
6 providers
Family Practice
1 provider
Emergency Medicine
1 provider
Dermatology
1 provider
Physician Assistant
1 provider
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Data from CMS Medicare Part D Prescriber Public Use File, 2023. Only providers meeting CMS disclosure thresholds are included. Risk scores are statistical indicators based on prescribing pattern analysis — not allegations of fraud or wrongdoing.