Registered nurse first assistants in California
- Registered nurse first assistants
- 306
- Linked to a hospital or group
- 19
- Hospitals with a registered nurse first assistant
- 10
- Cities
- 126
There are 306 registered nurse first assistants in California. Modesto is home to 26.
Find work emails and mobile numbers for all 306 California registered nurse first assistants
Validated work emails and mobile numbers for California registered nurse first assistants, found through healthcare waterfall enrichment, with a free Dmand AI account.
California registered nurse first assistants, listed A to Z by last name
Each registered nurse first assistant on the list has registered nurse first assistant as their primary specialty and a California practice address. The list shows the NPI and city, 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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Sort and filter all 306 California registered nurse first assistants by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 10 of 19 California registered nurse first assistants
The list shows the 19 registered nurse first assistants with a public profile. The other 287 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 151 of 306 California registered nurse first 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.
Community Memorial Hospital - Ventura has the most affiliated registered nurse first assistants in California, with 2
Alta Bates Summit Medical Center in Oakland is second with 1, and Sharp Memorial Hospital third with 1. California registered nurse first assistants are affiliated with 10 hospitals in all.
See every hospital and group for each California registered nurse first assistant
Each public profile names one place a registered nurse first assistant practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Modesto has the most registered nurse first assistants in California, with 26
More California cities with registered nurse first assistants
- Placentia7
- Irvine6
- Laguna Hills6
- Mammoth Lakes6
- Bakersfield5
- Clovis5
- Mission Viejo5
- Murrieta5
- Orange5
Registered nurse first assistants practice in 126 California cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most California registered nurse first assistants practice at a hospital: 11 of the 19 with a mapped site
8 also practice at an ambulatory surgery center. A registered nurse first assistant can practice at several kinds of site, so the shares overlap.
California registered nurse first assistants by site of care
- Hospitals11
- Ambulatory surgery centers8
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
Every California registered nurse first 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 California registered nurse first 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
Registered nurse first assistants are HCPs whose primary specialty is registered nurse first assistant (taxonomy code 163WR0006X), with an active NPI and a California practice address.
FAQ
Frequently asked questions about registered nurse first assistants in California
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many registered nurse first assistants are in California?
306 registered nurse first assistants have an active NPI, a California practice address and registered nurse first assistant (taxonomy code 163WR0006X) as their primary specialty. 19 of them are linked to a hospital or medical group.
Which California hospitals have the most registered nurse first assistants?
Community Memorial Hospital - Ventura, with 2 affiliated registered nurse first assistants, followed by Alta Bates Summit Medical Center with 1 and Sharp Memorial Hospital with 1.
Which California cities have the most registered nurse first assistants?
Modesto, with 26, followed by Newport Beach (12) and Ventura (11). Registered nurse first assistants practice in 126 California cities in all.
What is the taxonomy code for registered nurse first assistant?
163WR0006X is the NPPES taxonomy code for registered nurse first assistant. Sub-specialties with their own code are counted on their own lists.
How can I contact registered nurse first assistants in California?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for registered nurse first assistants in California through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
Dmand AI
Find the right contacts among California registered nurse first assistants
Search 306 California registered nurse first assistants by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
- 30 days free
- Self-serve
- No credit card