Jonathan O'Brien, PA-C
- Part D claims, 2024
- 1,598
- Affiliated sites
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2018
- Practice address
- 4815 Watt Avenue, North Highlands, CA 95660
- Practice phone
- Call (916) 454-2345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elica Health Centers - North Highlands
FQHC - Main Site · North Highlands, California
Find Jonathan 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.
Jonathan O'Brien is a physician assistant in North Highlands, California
Jonathan O'Brien practices at Elica Health Centers - North Highlands in North Highlands, California.
Jonathan O'Brien's NPI, 1851872378, was assigned on August 23, 2018. Jonathan O'Brien holds California license 57662.
- NPI
- 1851872378NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153669320
- NPI enumeration date
- August 23, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 454-2345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jonathan O'Brien practices at Elica Health Centers - North Highlands in North Highlands, California
Jonathan O'Brien's primary practice is Elica Health Centers - North Highlands, at 4815 Watt Avenue, North Highlands, CA 95660. The practice phone is (916) 454-2345.
- Elica Health Centers - North Highlands4815 Watt Avenue, North Highlands, CA 95660Phone(916) 454-2345
Source: Dmand AI Affiliation Data
Jonathan O'Brien is affiliated with 1 site of care and 2 medical groups
Jonathan O'Brien's primary practice is Elica Health Centers - North Highlands in North Highlands, California. The medical group on file is Elica Health Centers. Dmand AI also links Jonathan O'Brien to 1 more medical group, named with a free account. Jonathan O'Brien's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jonathan O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elica Health Centers - North Highlands | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Jonathan O'Brien is one of 11,482 physician assistants in California
Physician assistant is Jonathan O'Brien's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Jonathan O'Brien's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
- Pennsylvania license
Physician assistants near Jonathan O'Brien
Counts of physician assistants 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
Jonathan O'Brien's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Jonathan O'Brien's median patient age at 48, with 62% women.
Jonathan 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 48
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Jonathan O'Brien wrote 1,598 Medicare Part D claims in 2024
In 2024, Jonathan O'Brien wrote 1,598 Medicare Part D claims for 124 patients. 93% of them were for generic drugs. CMS names the drug for 1,498 of them, across 37 drugs with 11 or more claims each, at $418,643 in total drug cost.
Jonathan O'Brien's Part D claims by kind of drug, 2024
- Generic1,492 claims93%
- Brand-name106 claims7%
Jonathan O'Brien's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Jonathan O'Brien's Part D claims, 2024
- Antipsychotics, patients 65 and over12%197 of 1,598 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jonathan O'Brien takes part in Medicare
Jonathan O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Jonathan 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Jonathan 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 Jonathan O'Brien's NPI number?
Jonathan O'Brien's NPI number is 1851872378. It was assigned on August 23, 2018, and it is active in the NPI Registry.
What does Jonathan O'Brien specialize in?
Jonathan O'Brien is a physician assistant in North Highlands, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jonathan O'Brien practice?
Jonathan O'Brien practices at 4815 Watt Avenue, North Highlands, CA 95660. Jonathan O'Brien's primary practice is Elica Health Centers - North Highlands in North Highlands, California. Dmand AI also links Jonathan O'Brien to 1 medical group.
What is Jonathan O'Brien's office phone number?
The practice phone on file for Jonathan O'Brien is (916) 454-2345.
What is Jonathan O'Brien's medical license number?
Jonathan O'Brien holds California license 57662, one of the licenses on file in 2 states.
Which states has Jonathan O'Brien been licensed in?
Dmand AI has state licenses on file for Jonathan O'Brien in California and Pennsylvania.
What medical group is Jonathan O'Brien part of?
Jonathan O'Brien is linked to Elica Health Centers. Dmand AI links Jonathan O'Brien to 1 more medical group.
Does Jonathan O'Brien accept Medicare?
Yes. CMS lists Jonathan O'Brien as accepting Medicare assignment.
What drugs does Jonathan O'Brien prescribe most?
In 2024 Medicare Part D data, Jonathan O'Brien's most prescribed drugs by claims were Duloxetine HCl, Quetiapine Fumarate and Trazodone HCl.
How long has Jonathan O'Brien been practicing?
Jonathan O'Brien graduated from medical school in 2018, 8 years ago.
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