Individual
DR. H R CHRISTOPHER O'BRIEN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
PHARM.D, BCPP, APH
Taxonomy
Speciality
Code
Description
License number
State
183500000X
Pharmacist
49570
CA
1835P1300X
Psychiatric Pharmacist
Primary
10158
CA
208U00000X
Clinical Pharmacology Physician
49570
CA
Other
Enumeration date
03/29/2007
Last updated
12/12/2025
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