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Warren Ritchie Christianson II, D.O.

NPI 1932359445ActiveIndividual· Psychiatry & Neurology, Psychiatry· San Marino, CA

Psychiatry & Neurology, Psychiatry (D.O.) with Vista Community Clinic and 1 other group, practicing in San Marino, California. Part D covered 128 prescriptions written in 2024, 92% of them generic. Axsome Therapeutics, Inc. reported $25.63 in payments in 2024, mostly food and beverage.

Overview

NPI1932359445
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedSep 22, 2008
Last updated in NPPESSep 21, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Psychiatry Primary2084P0800X20A9664CA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Psychiatry (CA)

Part D prescriptions in 2024

Prescriptions (claims)128 · 128 30-day fills
Patients17
Total drug cost$6,749
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Graduation year2004
Medicare specialtyPsychiatry

Medical groups

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$25.63 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Axsome Therapeutics, Inc.$25.631

What the 2024 payments were for

  • Food and Beverage$25.63 · 1 payment

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

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