Physician assistants in Costa Mesa, CA
- Physician assistants
- 55
- Linked to a hospital or group
- 43
- Hospitals with a physician assistant
- 4
- Medical groups with a physician assistant
- 17
- Practice at a hospital
- 6
There are 55 physician assistants in Costa Mesa. Pacific Neuropsychiatric Specialists has the most, 29, and Hoag Hospital Newport Beach has the most affiliated physician assistants, 5.
Find work emails and mobile numbers for all 55 Costa Mesa physician assistants
Validated work emails and mobile numbers for Costa Mesa physician assistants, found through healthcare waterfall enrichment, with a free Dmand AI account.
Costa Mesa physician assistants, listed A to Z by last name
Each physician assistant on the list has physician assistant as their primary specialty and a Costa Mesa practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
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The list shows the 43 physician assistants with a public profile. The other 12 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 43 of 55 Costa Mesa physician assistants, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Pacific Neuropsychiatric Specialists has the most physician assistants in Costa Mesa, with 29
Hoag Clinic is second with 3, and Hoag Medical Group third with 2. Counts are physician assistants with a California address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Hoag Hospital Newport Beach has the most affiliated physician assistants in Costa Mesa, with 5
Loma Linda University Medical Center is second with 1, and Orange Coast Medical Center third with 1. Costa Mesa physician assistants are affiliated with 4 hospitals in all.
See every hospital and group for each Costa Mesa physician assistant
Each public profile names one place a physician assistant practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Group practices and clinics are the most common site of care for Costa Mesa physician assistants, with 36
6 also practice at hospitals, and 4 at fqhcs. A physician assistant can practice at several kinds of site, so the shares overlap.
Costa Mesa physician assistants by site of care
- Medical group practices36
- Hospitals6
- FQHCs4
- Urgent care centers3
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
Every Costa Mesa physician assistant profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Costa Mesa physician assistant directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Physician assistants are HCPs whose primary specialty is physician assistant (taxonomy code 363A00000X), with an active NPI and a Costa Mesa practice address.
FAQ
Frequently asked questions about physician assistants in Costa Mesa
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many physician assistants are in Costa Mesa?
55 physician assistants have an active NPI, a Costa Mesa practice address and physician assistant (taxonomy code 363A00000X) as their primary specialty. 43 of them are linked to a hospital or medical group.
Which Costa Mesa medical groups have the most physician assistants?
Pacific Neuropsychiatric Specialists, with 29, followed by Hoag Clinic with 3 and Hoag Medical Group with 2.
Which Costa Mesa hospitals have the most physician assistants?
Hoag Hospital Newport Beach, with 5 affiliated physician assistants, followed by Loma Linda University Medical Center with 1 and Orange Coast Medical Center with 1.
What share of Costa Mesa physician assistants practice at a hospital?
6 of the 43 Costa Mesa physician assistants with a mapped site of care, or 14%, have a current hospital affiliation.
What is the taxonomy code for physician assistant?
363A00000X is the NPPES taxonomy code for physician assistant. Sub-specialties with their own code are counted on their own lists.
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