Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOANNA CHROSTOWSKI D.O.
Prescription History 1639628464
Obstetrics & Gynecology in Hillsborough, NJ

Active since September 21, 2016PECOS EnrolledAccepts Medicare Assignment
331 US HIGHWAY 206 STE 2F, HILLSBOROUGH, NJ 08844(732) 427-8102 Get Directions

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 5, 2026, Aug 17, 2021, Aug 11, 2020 and 1 more (4 updates tracked since 2016).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for JOANNA CHROSTOWSKI D.O., an active Obstetrics & Gynecology specialist practicing in Hillsborough, NJ. Our medical registry currently tracks 1 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 13 documented patient claims. Among these therapy options, the most frequently utilized medication is Clotrimazole-Betamethasone, which accounts for 13 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.

1
Medication
13
Total Claims
13
30-Day Fills
Clotrimazole-Betamethasone
Most Prescribed · 13 claims
View details
1 medication · 2023 Medicare Part D
Medicare Part D medications prescribed by JOANNA CHROSTOWSKI D.O. in 2023, with prescription volumes, average cost per fill, and NJ state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other NJ PrescribersVs. NJ Avg
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip13$12.24▼ below NJ avg Less than typical

About Clotrimazole-Betamethasone: This combination medication is used to treat a variety of inflamed fungal skin infections such as ringworm, athlete's foot, and jock itch. Show more ▾

This product contains 2 medications. Clotrimazole is an azole antifungal that works by preventing the growth of fungus. Betamethasone is a strong corticosteroid that works by reducing the swelling, redness, and itching that occurs in the skin infection. This medication is not recommended for children younger than 17 years or for diaper rash.

In 2023, this provider wrote 13 Medicare prescriptions for Clotrimazole-Betamethasone, about half the volume of the typical New Jersey prescriber of this medication (27). Medicare paid an average of $12.24 per fill, versus $34.36 statewide.

How often this provider prescribes it

This provider
13
NJ average
27.0

This provider prescribes this medication less often than the average NJ prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$12.24
NJ average
$34.36

This provider's average cost per fill is below the NJ average for this medication.

13
30-Day Fills
standardized to 30-day supplies
166
Days of Medication
total across all patients in 2023
No medications match the current filters.
More than typical Typical Less than typical= prescription volume vs the average NJ prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the NJ average cost per fill.

About this data. The prescription history for JOANNA CHROSTOWSKI D.O. is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Obstetrics & Gynecology prescribing approach at this Hillsborough, NJ practice.

Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among NJ prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.