Active NPI
Joseph C Britton, M.D.
- Emergency Medicine Physician
- Grass Valley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- G71840
- Practice address
- 155 Glasson Way
Grass Valley, CA 95945-5723 - Phone
- (530) 274-6001
- NPI assigned
- Jul 21, 2005
- Last updated
- Jul 13, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | G71840 | CA | Primary |
Addresses
Primary practice location
155 Glasson Way
Grass Valley, CA 95945-5723
Mailing address
103 Providence Mine Rd
Suite 202
Nevada City, CA 95959-2941
Phone (530) 470-8377
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G718400 | Medicaid | CA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- University of Washington School of Medicine, 1990
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
844 Old Tunnel Rd
Grass Valley, CA 95945-8524
Phone (530) 274-9762
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G71840 | CA | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Western Sierra Medical Clinic, Inc. | Current | Accepting new patients | |
| Western Sierra Medical Clinic, Inc. | Current | Accepting new patients | |
| Swope Medical Group Inc | Emergency Medicine | Current | Accepting new patients |
| Western Sierra Medical Clinic, Inc. | Past | Accepting new patients | |
| Sierra Nevada Memorial-Miners Hospital | Past | Accepting new patients |
Locations
1345 Whispering Pines Ln
Grass Valley, CA 95945
Phone (530) 265-7895
155 Glasson Way
Grass Valley, CA 95945
Phone (530) 274-6000
844 Old Tunnel Rd
Grass Valley, CA 95945
Phone (530) 273-4984
103 Providence Mine Rd
Ste 202
Nevada City, CA 95959
Phone (530) 470-8377
4401 W Memorial Rd
Ste 121
Oklahoma City, OK 73134
Phone (405) 749-4560
Interoperability endpoints
- joseph.britton@wsmc1.eclinicaldirectplus.com
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Emergency Medicine Physician
- Grass Valley, CA
- NPI 1972500593
-
- Urgent Care Clinic/Center
- Downieville, CA
- NPI 1851513469
-
- Federally Qualified Health Center (FQHC)
- Oregon House, CA
- NPI 1780463257
-
dba Sierra Nevada Memorial Hospital
- General Acute Care Hospital
- Grass Valley, CA
- NPI 1659361392
-
dba Western Sierra Medical Center
- Federally Qualified Health Center (FQHC)
- Grass Valley, CA
- NPI 1063496396
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Sierra Nevada Memorial Hospital
- General Acute Care Hospital
- Grass Valley, CA
- NPI 1659361392
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1121904000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1902805831",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "103 PROVIDENCE MINE RD",
"address_2": "SUITE 202",
"city": "NEVADA CITY",
"state": "CA",
"postal_code": "959592941",
"telephone_number": "530-470-8377",
"fax_number": "530-470-8906"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "155 GLASSON WAY",
"city": "GRASS VALLEY",
"state": "CA",
"postal_code": "959455723",
"telephone_number": "530-274-6001"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BRITTON",
"first_name": "JOSEPH",
"middle_name": "C",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-21",
"last_updated": "2026-07-13",
"certification_date": "2021-03-16",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "CA",
"license": "G71840",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00G718400",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Grass Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.