Largest neurology and neurosurgery groups in California
- Groups
- 45
- Neurological Surgery groups
- 45
- Neurological surgery specialists
- 133
- Physicians
- 180
- More than one site
- 20
There are 45 neurology and neurosurgery groups in California with a Medicare PAC ID. UCLA Neurosurgery Associates is the largest, with 27 physicians.
Find the decision makers at all 45 California neurology and neurosurgery groups
Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
UCLA Neurosurgery Associates is the largest neurology and neurosurgery group in California, with 27 physicians
Ranked by physicians with a California address linked to each group. Neurosurgical Associates of Irvine is second with 22, and NeuroSpine Institute third with 17.
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Sort and filter all 45 California neurology and neurosurgery groups by city, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 45 neurology and neurosurgery groups in California
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
73% of California neurology and neurosurgery groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
California neurology and neurosurgery groups by ownership
- Independent33
- Health system or hospital5
- Platform or corporate owner4
- Other organization3
Sites of care beyond their own offices
See the parent organization above every California group
Dmand AI maps each group to the health system, physician platform or management company above it, so you can sell to the owner, not one site.
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 45 California neurology and neurosurgery groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
11 California neurology and neurosurgery groups practice at a hospital site, and 3 at a surgery center
Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.
California neurology and neurosurgery groups by site of care
- Hospitals11
- Ambulatory surgery centers3
Clinicians in California neurology and neurosurgery groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Bakersfield has the most neurology and neurosurgery groups in California, with 4
More California cities with neurology and neurosurgery groups
- Los Angeles2
- Orange2
- Pasadena2
- Santa Monica2
- Culver City1
- Encino1
- Escondido1
- Fountain Valley1
- Fresno1
- Irvine1
- La Mesa1
- Lancaster1
- Long Beach1
- Murrieta1
- Palmdale1
Source: Doctors and Clinicians National Downloadable File (CMS)
Each California neurology and neurosurgery group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the California neurology and neurosurgery group list
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
Groups whose main specialty is neurology and neurosurgery and that have a Medicare PAC ID.
FAQ
Frequently asked questions about neurology and neurosurgery groups 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 neurology and neurosurgery groups are in California?
There are 45 neurology and neurosurgery groups in California with a Medicare PAC ID. Between them they have 133 neurological surgery specialists.
How many California neurology and neurosurgery groups are independent?
33, or 73%, have no larger parent organization in the Dmand AI org hierarchy. 5 belong to a health system or hospital and 4 to a physician platform or corporate owner.
Why are neurology and neurosurgery listed together?
They share one specialty category in the Dmand AI medical group data. Each group is listed under its main specialty.
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