Medical groups in Grass Valley, CA
- Medical groups
- 34
- Multi-specialty
- 8
- Single-specialty
- 26
- More than one site
- 19
There are 34 medical groups in Grass Valley with a Medicare PAC ID. Western Sierra Medical Clinic is the largest, with 29 California physicians, followed by Swope Medical Group Inc with 25. 74% of Grass Valley groups are independent.
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Western Sierra Medical Clinic is the largest medical group in Grass Valley, with 29 physicians
Ranked by physicians with a California address linked to each group based in Grass Valley. Swope Medical Group Inc is second with 25, and Sierra Care Physicians third with 9.
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Sort and filter all 34 Grass Valley medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Western Sierra Medical Clinic has the most physicians in Grass Valley medical groups, with 29 across 2 groups
Dmand AI maps every Grass Valley medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more Grass Valley medical groups. Each clinician counts once per parent organization.
- Western Sierra Medical Clinic
- Western Sierra Medical Clinic
- Western Sierra Medical Clinic
See every medical group, site and clinician under Western Sierra Medical Clinic
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 34 Grass Valley medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
74% of Grass Valley 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.
Grass Valley medical groups by ownership
- Independent25
- Health system or hospital2
- Platform or corporate owner1
- Community or government4
- Other organization2
Source: Dmand AI Org Hierarchy Data
4 Grass Valley 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.
Grass Valley medical groups by site of care
- Hospitals4
- Ambulatory surgery centers2
- FQHCs2
- Hospices1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Primary care groups are the most common medical groups in Grass Valley, with 8
Each group is counted once, under its main specialty. Rehabilitation and therapy groups are second, with 7, and 8 Grass Valley groups are multi-specialty.
- Primary care8
- Rehabilitation and therapy7
- Eye care4
- Behavioral and mental health3
- Podiatry3
- Dermatology2
- Anesthesia and pain1
- Emergency and hospital medicine1
- ENT and audiology1
- Orthopedics and sports medicine1
- Pathology and laboratory1
- Plastic and cosmetic surgery1
- Radiology and imaging1
Source: Dmand AI Professional Profile Data
321 California HCPs work in Grass Valley medical groups, 106 of them physicians
Each clinician is counted once, across every Grass Valley group they are linked to. Only clinicians with a California address are counted.
HCPs in Grass Valley medical groups by type
- Physicians (MD, DO)106
- Behavioral health clinicians48
- Nurses and nurse practitioners48
- Therapists (PT and OT)37
- Physician assistants33
- Other HCPs49
Source: Dmand AI Affiliation Data
Each Grass Valley 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 Grass Valley 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 Grass Valley with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Grass Valley
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 Grass Valley?
There are 34 medical groups based in Grass Valley with a Medicare PAC ID: 8 multi-specialty and 26 single-specialty. 19 of them have more than one site.
What is the largest medical group in Grass Valley?
Western Sierra Medical Clinic, with 29 physicians and 101 HCPs with a California address. Swope Medical Group Inc is second with 25, and Sierra Care Physicians is third with 9.
How many Grass Valley medical groups are independent?
25, or 74%, 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 Grass Valley medical groups practice at a hospital?
4 Grass Valley 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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