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Robert Michael Trimmer, M.D.

NPI 1003925736ActiveIndividual· Psychiatry & Neurology, Psychiatry· Sacramento, CA

Psychiatry & Neurology, Psychiatry (M.D.) in Sacramento, California, trained at Loma Linda University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $150,316 for 1,186 claims, against $5,249 paid for services in 2024. Abbvie Inc. reported $34.52 in payments in 2025, mostly food and beverage.

Overview

NPI1003925736
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 29, 2006
Last updated in NPPESMay 5, 2026
Certified by providerMay 5, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Psychiatry Primary2084P0800XA83471CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Psychiatry (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients16
Services billed57 across 2 procedure codes
Paid by Medicare$5,249

Part D prescriptions in 2024

Prescriptions (claims)1,186 · 1,908 30-day fills
Patients63
Total drug cost$150,316
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoma Linda University School of Medicine
Graduation year2001
Medicare specialtyPsychiatry
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$34.52 · 2 payments from 1 company
  • 2024$289.79 · 17 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$34.522

What the 2025 payments were for

  • Food and Beverage$34.52 · 2 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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