Largest urology and nephrology groups in California
- Groups
- 59
- Urology groups
- 59
- Urologists
- 299
- Physicians
- 345
- More than one site
- 35
There are 59 urology and nephrology groups in California with a Medicare PAC ID. UCLA Urology is the largest, with 49 physicians.
Find the decision makers at all 59 California urology and nephrology groups
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UCLA Urology is the largest urology and nephrology group in California, with 49 physicians
Ranked by physicians with a California address linked to each group. UCI Health Center for Urological Care is second with 48, and Urological Surgeons of Northern California third with 20.
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Sort and filter all 59 California urology and nephrology groups by city, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 59 urology and nephrology groups in California
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Unio Health Partners has the most physicians in California urology and nephrology groups, with 8 across 2 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more California urology and nephrology groups. Each clinician counts once per parent organization.
- Unio Health Partners
- Skyline Urology
- Unio Specialty Care, Urology, Oxnard
See every medical group, site and clinician under Unio Health Partners
Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.
Source: Dmand AI Org Hierarchy Data
For sales teams
Dmand AI maps the owners, administrators and physician leaders at each of the 59 California urology and nephrology groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
83% of California urology and nephrology 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 urology and nephrology groups by ownership
- Independent49
- Health system or hospital6
- Platform or corporate owner4
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
8 California urology and nephrology 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 urology and nephrology groups by site of care
- Hospitals8
- Ambulatory surgery centers3
Clinicians in California urology and nephrology groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Los Angeles has the most urology and nephrology groups in California, with 8
More California cities with urology and nephrology groups
- Los Alamitos2
- Oceanside2
- Pasadena2
- Pomona2
- Upland2
- Alhambra1
- Anaheim1
- Chino1
- Encino1
- Hemet1
- La Jolla1
- Laguna Hills1
- Lakewood1
- Long Beach1
- Los Gatos1
Source: Doctors and Clinicians National Downloadable File (CMS)
Each California urology and nephrology 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
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the California urology and nephrology 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 urology and nephrology and that have a Medicare PAC ID.
FAQ
Frequently asked questions about urology and nephrology 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 urology and nephrology groups are in California?
There are 59 urology and nephrology groups in California with a Medicare PAC ID. Between them they have 299 urologists.
How many California urology and nephrology groups are independent?
49, or 83%, have no larger parent organization in the Dmand AI org hierarchy. 6 belong to a health system or hospital and 4 to a physician platform or corporate owner.
Why are urology and nephrology 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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