Medical groups in Rancho Cucamonga, CA
- Medical groups
- 59
- Multi-specialty
- 16
- Single-specialty
- 43
- More than one site
- 28
There are 59 medical groups in Rancho Cucamonga with a Medicare PAC ID. Synovation Medical Group is the largest, with 48 California physicians, followed by United Hospitalist Inc with 18. 78% of Rancho Cucamonga groups are independent.
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Synovation Medical Group is the largest medical group in Rancho Cucamonga, with 48 physicians
Ranked by physicians with a California address linked to each group based in Rancho Cucamonga. United Hospitalist Inc is second with 18, and Elite Medical Group Of Southern California third with 13.
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Showing 1 to 10 of 59 medical groups in Rancho Cucamonga
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Synovation Medical Group has the most physicians in Rancho Cucamonga medical groups, with 48 across 2 groups
Dmand AI maps every Rancho Cucamonga medical group to its parent organization, up to the health system or platform at the top. 2 parent organizations have two or more Rancho Cucamonga medical groups. Each clinician counts once per parent organization.
- Synovation Medical Group
- Synovation Medical Group
- Synovation Medical Group
See every medical group, site and clinician under Synovation Medical Group
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
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Dmand AI maps the owners, administrators and physician leaders at each of the 59 Rancho Cucamonga medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
78% of Rancho Cucamonga medical 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.
Rancho Cucamonga medical groups by ownership
- Independent46
- Health system or hospital1
- Platform or corporate owner6
- Other organization6
Source: Dmand AI Org Hierarchy Data
8 Rancho Cucamonga medical groups practice at a hospital site
Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.
Rancho Cucamonga medical groups by site of care
- Hospitals8
- Ambulatory surgery centers2
- Skilled nursing facilities1
- Therapy and rehab centers1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Primary care groups are the most common medical groups in Rancho Cucamonga, with 24
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 7, and 16 Rancho Cucamonga groups are multi-specialty.
- Primary care24
- Behavioral and mental health7
- Eye care6
- Anesthesia and pain4
- Rehabilitation and therapy4
- ENT and audiology3
- Podiatry3
- Emergency and hospital medicine2
- OB/GYN and women's health2
- Plastic and cosmetic surgery2
- Cardiology1
- Radiology and imaging1
Source: Dmand AI Professional Profile Data
524 California HCPs work in Rancho Cucamonga medical groups, 179 of them physicians
Each clinician is counted once, across every Rancho Cucamonga group they are linked to. Only clinicians with a California address are counted.
HCPs in Rancho Cucamonga medical groups by type
- Physicians (MD, DO)179
- Nurses and nurse practitioners141
- Physician assistants63
- Behavioral health clinicians51
- Therapists (PT and OT)33
- Other HCPs57
Source: Dmand AI Affiliation Data
Each Rancho Cucamonga medical 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 Rancho Cucamonga medical group directory
| 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
The directory lists groups based in Rancho Cucamonga with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Rancho Cucamonga
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many medical groups are in Rancho Cucamonga?
There are 59 medical groups based in Rancho Cucamonga with a Medicare PAC ID: 16 multi-specialty and 43 single-specialty. 28 of them have more than one site.
What is the largest medical group in Rancho Cucamonga?
Synovation Medical Group, with 48 physicians and 141 HCPs with a California address. United Hospitalist Inc is second with 18, and Elite Medical Group Of Southern California is third with 13.
Which health system has the most medical groups in Rancho Cucamonga?
By physicians, Synovation Medical Group, with 48 across 2 groups, followed by UnitedHealth Group with 16.
How many Rancho Cucamonga medical groups are independent?
46, or 78%, have no larger parent organization in the Dmand AI org hierarchy. 1 belong to a health system or hospital and 6 to a physician platform or corporate owner.
How many Rancho Cucamonga medical groups practice at a hospital?
8 Rancho Cucamonga groups practice at a hospital site linked to them in the Dmand AI org hierarchy.
How do I find a medical group's NPI or PAC ID?
Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.
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