Individual provider · Type 1 NPI

H R. Christopher O'Brien, PharmD, BCPP, APH

Psychiatric Pharmacist · Los Angeles, CA

NPI number 1598885162 Active

Practice location

1127 Wilshire Blvd Ste 1415
Los Angeles, CA 90017-4005

Fax (213) 924-8889

Mailing address

10413 Old River School Rd
Downey, CA 90241-2015

Specialties and licenses

TaxonomyCodeLicense
Pharmacist 183500000X49570 (CA)
Psychiatric Pharmacist Primary 1835P1300X10158 (CA)
Clinical Pharmacology Physician 208U00000X49570 (CA)

Psychiatric Pharmacist: A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing care of patients with psychiatric illness by assessing and monitoring patients, recognizing drug-induced problems, and recommending appropriate treatment plans.

4 other providers at this address

Other psychiatric pharmacist providers in Los Angeles

See all in Los Angeles →

About NPI 1598885162

H R. Christopher O'Brien, PharmD, BCPP, APH's National Provider Identifier is 1598885162, issued on Mar 29, 2007. The primary taxonomy on file is Psychiatric Pharmacist (1835P1300X), and the practice location is in Los Angeles, CA. The record was last updated on Dec 12, 2025.