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Andrew Joseph Merriman, M.D.

NPI 1467846444ActiveIndividual· Emergency Medicine· Santa Rosa, CA

Emergency Medicine (M.D.) in Santa Rosa, California, trained at Baylor College of Medicine (class of 2015). In 2024 Medicare paid $49,412 for 354 patients, and Part D covered 156 of their prescriptions, 84% of them generic. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $384.05 in all, mostly food and beverage.

Overview

NPI1467846444
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 26, 2015
Last updated in NPPESJul 5, 2025
Certified by providerJul 5, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000XA147107CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Emergency Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients354
Services billed527 across 34 procedure codes
Paid by Medicare$49,412

Part D prescriptions in 2024

Prescriptions (claims)156 · 156 30-day fills
Patients102
Total drug cost$7,797
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year2015
Medicare specialtyEmergency Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$384.05 · 3 payments from 2 companies
  • 2024$182.04 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Gilead Sciences, Inc.$261.832
Viiv Healthcare Company$122.221

What the 2025 payments were for

  • Food and Beverage$384.05 · 3 payments

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

Other emergency medicine physicians in Santa Rosa

All 66 emergency medicine physicians in Santa Rosa · All emergency medicine physicians in California