DR. WILLIAM L DIEHL M.D.
Prescription History 1629068457
Surgery - Surgical Oncology in Livingston, NJ

Active since October 24, 2005PECOS EnrolledAccepts Medicare Assignment
75 E NORTHFIELD RD, LIVINGSTON, NJ 07039(973) 436-1530(973) 422-0414 Get Directions

NPPES record last updated: February 16, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. WILLIAM L DIEHL M.D., an active Surgical Oncology specialist practicing in Livingston, NJ. Our medical registry currently tracks 2 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 35 documented patient claims. Among these therapy options, the most frequently utilized medication is Oxycodone-Acetaminophen, which accounts for 22 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.

2
Medications
35
Total Claims
49
30-Day Fills
Oxycodone-Acetaminophen
Most Prescribed · 22 claims
View details
2 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by DR. WILLIAM L DIEHL M.D. 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
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen22$3.13▼ below NJ avg Less than typical

About Oxycodone-Acetaminophen: This combination medication is used to help relieve moderate to severe pain. Show more ▾

It contains an opioid pain reliever (oxycodone) and a non-opioid pain reliever (acetaminophen). Oxycodone works in the brain to change how your body feels and responds to pain. Acetaminophen can also reduce a fever.

In 2023, this provider wrote 22 Medicare prescriptions for Oxycodone-Acetaminophen, about a third of the volume of the typical New Jersey prescriber of this medication (56). Medicare paid an average of $3.13 per fill, versus $23.05 statewide.

How often this provider prescribes it

This provider
22
NJ average
56.0

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
$3.13
NJ average
$23.05

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

22
30-Day Fills
standardized to 30-day supplies
79
Days of Medication
total across all patients in 2023
Anastrozole13$31.06 Less than typical

About Anastrozole: Anastrozole is used to treat breast cancer in women after menopause. Show more ▾

Some breast cancers are made to grow faster by a natural hormone called estrogen. Anastrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers. A nitrile and triazole derivative that acts as a selective nonsteroidal aromatase inhibitor. It is used in the treatment of ESTROGEN NUCLEAR RECEPTOR-positive breast cancer in postmenopausal women.

In 2023, this provider wrote 13 Medicare prescriptions for Anastrozole, about a quarter of the volume of the typical New Jersey prescriber of this medication (65). Medicare paid an average of $31.06 per fill, versus $29.64 statewide.

How often this provider prescribes it

This provider
13
NJ average
65.0

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
$31.06
NJ average
$29.64

Gross Part D cost per fill; not the patient's out-of-pocket price.

27
30-Day Fills
standardized to 30-day supplies
810
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 DR. WILLIAM L DIEHL M.D. 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 Surgical Oncology prescribing approach at this Livingston, 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.