H R Christopher O'Brien, BCPP, PharmD
- Part D claims, 2024
- 4,675
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find H R O'Brien's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
H R Christopher O'Brien is a psychiatric pharmacist in San Mateo, California
H R O'Brien practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
H R O'Brien's NPI, 1598885162, was assigned on March 29, 2007. H R O'Brien holds California license 10158.
- NPI
- 1598885162NPI Registry (opens in a new tab)
- NPI enumeration date
- March 29, 2007
- NPI status
- Active
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
H R Christopher O'Brien practices at San Mateo Medical Center in San Mateo, California
H R O'Brien's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
H R Christopher O'Brien is affiliated with 2 sites of care
H R O'Brien's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links H R O'Brien to 1 skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at H R Christopher O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where H R O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
H R Christopher O'Brien is one of 8 psychiatric pharmacists in California
Psychiatric is H R O'Brien's primary specialty in the NPI Registry, under taxonomy code 1835P1300X. H R O'Brien is licensed in California.
Specialties and state licenses
- Psychiatric pharmacist, CaliforniaPrimary
Psychiatric pharmacists near H R O'Brien
Counts of psychiatric pharmacists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
H R Christopher O'Brien's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts H R O'Brien's median patient age at 39, with 42% women.
H R O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
H R Christopher O'Brien wrote 4,675 Medicare Part D claims in 2024
In 2024, H R O'Brien wrote 4,675 Medicare Part D claims for 99 patients. 96% of them were for generic drugs.
H R O'Brien's Part D claims by kind of drug, 2024
- Generic4,503 claims96%
- Brand-name172 claims4%
Drug classes CMS tracks in H R O'Brien's Part D claims, 2024
- Antipsychotics, patients 65 and over10%448 of 4,675 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for H R Christopher O'Brien's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about H R Christopher O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is H R Christopher O'Brien's NPI number?
H R Christopher O'Brien's NPI number is 1598885162. It was assigned on March 29, 2007, and it is active in the NPI Registry.
What does H R Christopher O'Brien specialize in?
H R Christopher O'Brien is a psychiatric pharmacist in San Mateo, California. The primary specialty in the NPI Registry is Psychiatric Pharmacist (taxonomy code 1835P1300X).
Where does H R Christopher O'Brien practice?
H R O'Brien practices at 222 W 39th Ave, San Mateo, CA 94403. H R O'Brien's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links H R O'Brien to 1 skilled nursing facility.
What is H R Christopher O'Brien's office phone number?
The practice phone on file for H R O'Brien is (650) 573-2222.
What is H R Christopher O'Brien's medical license number?
H R O'Brien holds California license 10158.
Which hospitals is H R Christopher O'Brien affiliated with?
H R O'Brien practices at San Mateo Medical Center in San Mateo, California.
How long has H R Christopher O'Brien been practicing?
H R O'Brien's NPI was assigned in 2007.
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