Medicare Part D Prescribers in Willoughby, Ohio

5 flagged and high-volume prescribers across 3 medical specialties.

Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026

Share:

5

Providers

$5.2M

Total Drug Cost

0

High Risk

0.9%

Avg Opioid Rate

Top Prescribers by Drug Cost

ProviderClaimsDrug Cost
Mihaela Donca20,714$1.9M
Ranjit Tamaskar19,229$1.8M
Harbhajan Parmar17,428$1.4M
Dail CianiN/AN/A
Nicholas ZielinskiN/AN/A

Specialties in Willoughby

Internal Medicine

3 providers

Nurse Practitioner

1 provider

Physician Assistant

1 provider

Explore More

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.