Medical groups in Sonora, CA
- Medical groups
- 12
- Multi-specialty
- 6
- Single-specialty
- 6
- More than one site
- 5
- 100+ physicians
- 1
There are 12 medical groups in Sonora with a Medicare PAC ID. Adventist Health Sonora is the largest, with 145 California physicians, followed by Sierra Emergency Medical Group with 21. 67% of Sonora groups are independent.
Find the decision makers at all 12 Sonora medical groups
Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Adventist Health Sonora is the largest medical group in Sonora, with 145 physicians
Ranked by physicians with a California address linked to each group based in Sonora. Sierra Emergency Medical Group is second with 21, and Jason L Hwang MD Inc third with 19. 1 Sonora group has 100 or more physicians.
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Sort and filter all 12 Sonora medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
| # | Medical group | Parent organization | Physicians | HCPs | Decision makers |
|---|---|---|---|---|---|
| 1 | Adventist Health SonoraSonora · 19 sites | Parent on file | 145 | 214 | Decision makers |
| 2 | Sierra Emergency Medical GroupSonora · 1 site | Parent on file | 21 | 42 | Decision makers |
| 3 | Jason L Hwang MD IncSonora · 52 sites | - | 19 | 19 | Decision makers |
| 4 | Sonora Anesthesia Services Medical GroupSonora · 3 sites | - | 9 | 25 | Decision makers |
| 5 | Donaldson Eye Care and Sonora Eye Surgery CenterSonora · 2 sites | - | 2 | 6 | Decision makers |
| 6 | HC California PCSonora · 1 site | - | 2 | 4 | Decision makers |
| 7 | Hickory California PCSonora · 1 site | - | 2 | 4 | Decision makers |
| 8 | Restore Orthopedics & Sports MedicineSonora · 1 site | - | 1 | 3 | Decision makers |
| 9 | Cooper DermatologySonora · 1 site | Parent on file | 1 | 2 | Decision makers |
| 10 | Tuolumne County Behavioral HealthSonora · 2 sites | Parent on file | 1 | 1 | Decision makers |
| 11 | Foothill ChiropracticSonora · 1 site | - | - | 3 | Decision makers |
| 12 | Woods Creek Psychological GroupSonora · 1 site | - | - | 3 | Decision makers |
Showing 1 to 10 of 12 medical groups in Sonora
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Adventist Health has the most physicians in Sonora medical groups, with 146 across 2 groups
Dmand AI maps every Sonora medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more Sonora medical groups. Each clinician counts once per parent organization.
- Adventist Health
- Adventist Health Sonora
- Cooper Dermatology
See every medical group, site and clinician under Adventist 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
For sales teams
Dmand AI maps the owners, administrators and physician leaders at each of the 12 Sonora medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
67% of Sonora 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.
Sonora medical groups by ownership
- Independent8
- Health system or hospital2
- Platform or corporate owner1
- Community or government1
Source: Dmand AI Org Hierarchy Data
4 Sonora 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.
Sonora medical groups by site of care
- Hospitals4
- Skilled nursing facilities2
- Ambulatory surgery 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 Sonora, with 4
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 2, and 6 Sonora groups are multi-specialty.
- Primary care4
- Behavioral and mental health2
- Anesthesia and pain1
- Chiropractic1
- Emergency and hospital medicine1
- Eye care1
- Orthopedics and sports medicine1
- Radiology and imaging1
Source: Dmand AI Professional Profile Data
306 California HCPs work in Sonora medical groups, 194 of them physicians
Each clinician is counted once, across every Sonora group they are linked to. Only clinicians with a California address are counted.
HCPs in Sonora medical groups by type
- Physicians (MD, DO)194
- Nurses and nurse practitioners57
- Physician assistants31
- Behavioral health clinicians6
- Non-clinical and support staff6
- Other HCPs12
Source: Dmand AI Affiliation Data
Each Sonora 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 Sonora 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 Sonora with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Sonora
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 Sonora?
There are 12 medical groups based in Sonora with a Medicare PAC ID: 6 multi-specialty and 6 single-specialty. 5 of them have more than one site.
What is the largest medical group in Sonora?
Adventist Health Sonora, with 145 physicians and 214 HCPs with a California address. Sierra Emergency Medical Group is second with 21, and Jason L Hwang MD Inc is third with 19.
How many Sonora medical groups are independent?
8, or 67%, have no larger parent organization in the Dmand AI org hierarchy. 2 belong to a health system or hospital and 1 to a physician platform or corporate owner.
How many Sonora medical groups practice at a hospital?
4 Sonora 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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