Medical groups in Oakland, CA
- Medical groups
- 73
- Multi-specialty
- 17
- Single-specialty
- 56
- More than one site
- 41
- 100+ physicians
- 2
There are 73 medical groups in Oakland with a Medicare PAC ID. Alameda Health System is the largest, with 668 California physicians, followed by Magnetic Imaging Affiliates with 120. 67% of Oakland groups are independent.
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Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Alameda Health System is the largest medical group in Oakland, with 668 physicians
Ranked by physicians with a California address linked to each group based in Oakland. Magnetic Imaging Affiliates is second with 120, and Asian Health Services third with 75. 2 Oakland groups have 100 or more physicians.
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Sort and filter all 73 Oakland medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 73 medical groups in Oakland
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Carbon Health has the most physicians in Oakland medical groups, with 82 across 4 groups
Dmand AI maps every Oakland medical group to its parent organization, up to the health system or platform at the top. 2 parent organizations have two or more Oakland medical groups. Among health systems, Sutter Health has the most groups, 3. Each clinician counts once per parent organization.
See every medical group, site and clinician under Carbon Health
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 73 Oakland medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
67% of Oakland 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.
Oakland medical groups by ownership
- Independent49
- Health system or hospital6
- Platform or corporate owner6
- Community or government9
- Other organization3
Source: Dmand AI Org Hierarchy Data
18 Oakland 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.
Oakland medical groups by site of care
- Hospitals18
- FQHCs6
- Ambulatory surgery centers4
- Skilled nursing facilities2
- Therapy and rehab centers1
- Dialysis centers1
- Behavioral health facilities1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Primary care groups are the most common medical groups in Oakland, with 28
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 9, and 17 Oakland groups are multi-specialty.
- Primary care28
- Behavioral and mental health9
- Rehabilitation and therapy9
- Eye care6
- Chiropractic5
- Anesthesia and pain4
- Dermatology4
- Orthopedics and sports medicine2
- Cardiology1
- Emergency and hospital medicine1
- OB/GYN and women's health1
- Pathology and laboratory1
- Podiatry1
- Radiology and imaging1
Source: Dmand AI Professional Profile Data
2,477 California HCPs work in Oakland medical groups, 1,241 of them physicians
Each clinician is counted once, across every Oakland group they are linked to. Only clinicians with a California address are counted.
HCPs in Oakland medical groups by type
- Physicians (MD, DO)1,241
- Nurses and nurse practitioners471
- Physician assistants415
- Behavioral health clinicians103
- Therapists (PT and OT)81
- Other HCPs166
Source: Dmand AI Affiliation Data
Each Oakland 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
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 Oakland 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 Oakland with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Oakland
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 Oakland?
There are 73 medical groups based in Oakland with a Medicare PAC ID: 17 multi-specialty and 56 single-specialty. 41 of them have more than one site.
What is the largest medical group in Oakland?
Alameda Health System, with 668 physicians and 974 HCPs with a California address. Magnetic Imaging Affiliates is second with 120, and Asian Health Services is third with 75.
Which health system has the most medical groups in Oakland?
By physicians, Carbon Health, with 82 across 4 groups, followed by Sutter Health with 24.
How many Oakland medical groups are independent?
49, or 67%, have no larger parent organization in the Dmand AI org hierarchy. 6 belong to a health system or hospital and 6 to a physician platform or corporate owner.
How many Oakland medical groups practice at a hospital?
18 Oakland 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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