Dr. H R Christopher O'brien
Psychiatric
1127 Wilshire Blvd Ste 1415, Los Angeles
California, 90017-4005
213-924-8889 213-924-8889
Dr. H R Christopher O'brien is a pharmacist who is specialized in Psychiatric in Los Angeles, California. Patients can reach him at 1127 Wilshire Blvd Ste 1415, Los Angeles or contact him on 213-924-8889. Active license number of Dr. H R Christopher O'brien is 10158 for Psychiatric in California.
Dr. H R Christopher O'brien is 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.
Complete Profile:
Dr. H R Christopher O'brien speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for enquiries.
| Name: | Dr. H R Christopher O'brien |
| Specialization: | Psychiatric |
| Credentials: | PHARM.D, BCPP, APH |
| Gender: | Male |
| Location: | 1127 Wilshire Blvd Ste 1415, Los Angeles,
California, 90017-4005 |
| Phone: | 213-924-8889 |
| Fax: | 213-924-8889 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details of Dr. H R Christopher O'brien are as mentioned below.
| NPI Number: | 1598885162 |
| NPI Enumeration Date: | 29 Mar, 2007 |
| NPI Last Update On: | 12 Dec, 2025 |
Medical Licenses:
Pharmacists can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. H R Christopher O'brien are as mentioned below.
| Specialization | License Number | State | Status | |
| Psychiatric | 10158 | California | Primary | |
| Pharmacist | 49570 | California | Secondary | |
| Clinical Pharmacology | 49570 | California | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 10413 Old River School Rd,
Downey, California |
| Zip: | 90241-2015 |
| Phone Number: | 213-924-8889 |
| Fax Number: | 213-927-3654 |
Patients can reach Dr. H R Christopher O'brien at
1127 Wilshire Blvd Ste 1415, Los Angeles, California or can
call on phone at 213-924-8889.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.