DR. WALKER DANIEL KEENAN MD
Prescription History 1841797313
Psychiatry & Neurology - Psychiatry in New York, NY

Active since April 10, 2018PECOS Enrolled
2121 7TH AVE APT 8C, NEW YORK, NY 10027(781) 534-8190 Get Directions

NPPES record last updated: July 17, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2023, Apr 10, 2018 (2 updates tracked since 2018).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for DR. WALKER DANIEL KEENAN MD, an active Psychiatry specialist practicing in New York, NY. 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 Quetiapine Fumarate, 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
Quetiapine Fumarate
Most Prescribed · 13 claims
View details
1 medication · 2024 Medicare Part D
Medicare Part D medications prescribed by DR. WALKER DANIEL KEENAN MD in 2024, with prescription volumes, average cost per fill, and NY state comparisons
Medication Prescriptions (2024)Rx (2024) Avg Cost per FillCost / Fill Vs. Other NY PrescribersVs. NY Avg
Quetiapine Fumarate13$2.36▼ below NY avg▼ Less than typical

About Quetiapine Fumarate: This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder). Show more ▾

Quetiapine belongs to a class of drugs known as atypical antipsychotics. It works by helping to restore the balance of certain natural substances in the brain. A dibenzothiazepine and ANTIPSYCHOTIC AGENT that targets the SEROTONIN 5-HT2 RECEPTOR; HISTAMINE H1 RECEPTOR, adrenergic alpha1 and alpha2 receptors, as well as the DOPAMINE D1 RECEPTOR and DOPAMINE D2 RECEPTOR. It is used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER and DEPRESSIVE DISORDER.

In 2024, this provider wrote 13 Medicare prescriptions for Quetiapine Fumarate, about a quarter of the volume of the typical New York prescriber of this medication (58). Medicare paid an average of $2.36 per fill, versus $16.33 statewide.

How often this provider prescribes it

This provider
13
NY average
58.0

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

What Medicare paid per fill

This provider
$2.36
NY average
$16.33

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

13
30-Day Fills
standardized to 30-day supplies
367
Days of Medication
total across all patients in 2024
No medications match the current filters.
▲ More than typical≈ Typical▼ Less than typical= prescription volume vs the average NY prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the NY average cost per fill.

About this data. The prescription history for DR. WALKER DANIEL KEENAN MD is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2024, 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 Psychiatry prescribing approach at this New York, NY 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 among NY prescribers of the same medication and form, shown only when at least five prescribers contribute. Always confirm current medications and costs directly with the provider and your plan.

About the medication summaries. Drug use descriptions come from the CMS Medicare Part D Drug Spending Dashboard (2024), and substance definitions from Medical Subject Headings (MeSH) 2026, U.S. National Library of Medicine. They are summaries that do not contain all possible information about a medication and are not individual medical advice. Ask a health care professional about any medication and your specific health needs.