Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. H R Christopher O'Brien, PHARMD, BCPP, APH

Individual provider Pharmacist · NPI 1598885162

Dr. H R Christopher O'Brien, PHARMD, BCPP, APH is a Pharmacist in Los Angeles, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
3
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

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Practice location Address checks out

1127 Wilshire Blvd Ste 1415
Los Angeles, CA 90017-4005
Phone: (213) 924-8889
Fax: (213) 924-8889
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric Pharmacist (primary) Taxonomy 1835P1300X · Licence 10158 (CA)
Pharmacist Taxonomy 183500000X · Licence 49570 (CA)
Clinical Pharmacology Physician Taxonomy 208U00000X · Licence 49570 (CA)

Record details

NPI number1598885162
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD , BCPP , APH
Sole proprietorYes
NPI enumeratedMarch 29, 2007
Last updated in NPPESDecember 12, 2025
Certification dateDecember 12, 2025

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