Medical groups in Northridge, CA
- Medical groups
- 53
- Multi-specialty
- 8
- Single-specialty
- 45
- More than one site
- 22
- 100+ physicians
- 3
There are 53 medical groups in Northridge with a Medicare PAC ID. Renaissance Imaging Medical Associates is the largest, with 199 California physicians, followed by Lakeside Community Healthcare with 146. 81% of Northridge groups are independent.
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Renaissance Imaging Medical Associates is the largest medical group in Northridge, with 199 physicians
Ranked by physicians with a California address linked to each group based in Northridge. Lakeside Community Healthcare is second with 146, and Ridgeline Emergency Physicians Medical Group, Inc. third with 100. 3 Northridge groups have 100 or more physicians.
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Sort and filter all 53 Northridge medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 53 medical groups in Northridge
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Heritage Physician Networks has the most physicians in Northridge medical groups, with 150 across 2 groups
Dmand AI maps every Northridge medical group to its parent organization, up to the health system or platform at the top. 2 parent organizations have two or more Northridge medical groups. Each clinician counts once per parent organization.
- Heritage Physician Networks
- Lakeside Community Healthcare
- Regal Medical Group
See every medical group, site and clinician under Heritage Physician Networks
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 53 Northridge medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
81% of Northridge 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.
Northridge medical groups by ownership
- Independent43
- Health system or hospital2
- Platform or corporate owner5
- Other organization3
Source: Dmand AI Org Hierarchy Data
11 Northridge 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.
Northridge medical groups by site of care
- Hospitals11
- Ambulatory surgery centers3
- Skilled nursing facilities2
- FQHCs1
- 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 Northridge, with 29
Each group is counted once, under its main specialty. Rehabilitation and therapy groups are second, with 5, and 8 Northridge groups are multi-specialty.
- Primary care29
- Rehabilitation and therapy5
- Anesthesia and pain4
- Eye care4
- Dental and oral surgery2
- ENT and audiology2
- General and specialty surgery2
- Behavioral and mental health1
- Cardiology1
- Emergency and hospital medicine1
- Radiology and imaging1
- Urology and nephrology1
Source: Dmand AI Professional Profile Data
1,013 California HCPs work in Northridge medical groups, 532 of them physicians
Each clinician is counted once, across every Northridge group they are linked to. Only clinicians with a California address are counted.
HCPs in Northridge medical groups by type
- Physicians (MD, DO)532
- Nurses and nurse practitioners130
- Speech therapists and audiologists91
- Physician assistants89
- Therapists (PT and OT)81
- Other HCPs90
Source: Dmand AI Affiliation Data
Each Northridge 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 Northridge 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 Northridge with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Northridge
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 Northridge?
There are 53 medical groups based in Northridge with a Medicare PAC ID: 8 multi-specialty and 45 single-specialty. 22 of them have more than one site.
What is the largest medical group in Northridge?
Renaissance Imaging Medical Associates, with 199 physicians and 203 HCPs with a California address. Lakeside Community Healthcare is second with 146, and Ridgeline Emergency Physicians Medical Group, Inc. is third with 100.
Which health system has the most medical groups in Northridge?
By physicians, Heritage Physician Networks, with 150 across 2 groups, followed by UnitedHealth Group with 15.
How many Northridge medical groups are independent?
43, or 81%, have no larger parent organization in the Dmand AI org hierarchy. 2 belong to a health system or hospital and 5 to a physician platform or corporate owner.
How many Northridge medical groups practice at a hospital?
11 Northridge 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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