H R O'Brien, PHARM.D, BCPP, APH
Pharmacist · Los Angeles, CA
H R O'Brien, PHARM.D, BCPP, APH is a pharmacist with a practice address in Los Angeles, California, and NPI 1598885162, issued on Mar 29, 2007. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- H R O'Brien
- Credential
- PHARM.D, BCPP, APH
- Primary taxonomy
- Pharmacist 183500000X
- Practice location
- 1127 Wilshire Blvd Ste 1415, Los Angeles, CA 90017
- Phone
- (213) 924-8889
- Enumerated
- Mar 29, 2007
- Entity
- Type 1 · individual
Also registered at 1127 Wilshire Blvd Ste 1415
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hiawatha Harris, M.D.Psychiatry Physician1780722488
- Samuel Smith, M.D.General Practice Physician1295802700
Verify H R O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
36.8 times the Medicare Part D claims of the average pharmacist in 2024
4,675 Medicare Part D claims for 99 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Olanzapine326 claims
- Divalproex Sodium Er318 claims
- Quetiapine Fumarate308 claims
- Risperidone252 claims
- Trazodone Hcl241 claims
- Clonazepam219 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
1,786 pharmacist records list a Los Angeles practice address
They are 1,786 of the 69,537 NPPES records with a Los Angeles practice address, and 32,698 pharmacist records in California.
All 1,786 in Los Angeles → All 32,698 in California → Every provider in Los Angeles →
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Common questions
What is H R O'Brien, PHARM.D, BCPP, APH's NPI number?
H R O'Brien, PHARM.D, BCPP, APH's National Provider Identifier (NPI) is 1598885162, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is H R O'Brien, PHARM.D, BCPP, APH located?
The NPPES record lists a practice address at 1127 Wilshire Blvd Ste 1415, Los Angeles, CA, 90017. Phone: (213) 924-8889. Providers update this record themselves, so call before visiting.
How can I verify H R O'Brien, PHARM.D, BCPP, APH's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does H R O'Brien, PHARM.D, BCPP, APH prescribe under Medicare Part D?
In 2024, H R O'Brien, PHARM.D, BCPP, APH had 4,675 Medicare Part D claims for 99 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.