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

EMILIO ESQUIVEL MD, MS
Prescription History 1295485993
Psychiatry & Neurology - Psychiatry in San Pablo, CA

Active since March 25, 2022PECOS EnrolledAccepts Medicare Assignment
13585 SAN PABLO AVE, SAN PABLO, CA 94806(510) 942-4700 Get Directions

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 16, 2026, Jul 28, 2024 (2 updates tracked since 2024).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for EMILIO ESQUIVEL MD, MS, an active Psychiatry specialist practicing in San Pablo, CA. Our medical registry currently tracks 1 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 21 documented patient claims. Among these therapy options, the most frequently utilized medication is Clozapine, which accounts for 21 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
21
Total Claims
21
30-Day Fills
Clozapine
Most Prescribed · 21 claims
View details
1 medication · 2024 Medicare Part D
Medicare Part D medications prescribed by EMILIO ESQUIVEL MD, MS in 2024, with prescription volumes, average cost per fill, and CA state comparisons
Medication Prescriptions (2024)Rx (2024) Avg Cost per FillCost / Fill Vs. Other CA PrescribersVs. CA Avg
Clozapine21$14.10▼ below CA avg▼ Less than typical

About Clozapine: See also Warning section. Show more ▾

This medication is used to treat certain mental/mood disorders (schizophrenia, schizoaffective disorders). Clozapine may also help prevent suicide in people who are likely to try to harm themselves. Clozapine 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 tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent.

In 2024, this provider wrote 21 Medicare prescriptions for Clozapine, about a third of the volume of the typical California prescriber of this medication (54.9). Medicare paid an average of $14.10 per fill, versus $76.09 statewide.

How often this provider prescribes it

This provider
21
CA average
54.9

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

What Medicare paid per fill

This provider
$14.10
CA average
$76.09

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

21
30-Day Fills
standardized to 30-day supplies
135
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 CA prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the CA average cost per fill.

About this data. The prescription history for EMILIO ESQUIVEL MD, MS 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 San Pablo, CA 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 CA 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.