SIERRA NEVADA PRIMARY CARE PHYSICIANS A MEDICAL CORPORATION
NPI 1427072008
Family Medicine in Grass Valley, CA
About Sierra Nevada Primary Care Physicians A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA NEVADA PRIMARY CARE PHYSICIANS A MEDICAL CORPORATION (NPI 1427072008), doing business as Sierra Care Physicians, Amc, is a healthcare organization registered as a family medicine in Grass Valley, California and active in the NPI registry since July 2006. The organization holds a CLIA Microscopy certificate valid through September 12, 2027 and lists Mara Berezniak, Do, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sierra Nevada Primary Care Physicians A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Sierra Nevada Primary Care Physicians A Medical Corporation, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0991196
Sierra Nevada Primary Care Physicians · Penn Valley, CAFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sierra Nevada Primary Care Physicians A Medical Corporation's NPI number?
The NPI number for Sierra Nevada Primary Care Physicians A Medical Corporation is 1427072008. It was assigned to this organization in the NPPES registry on July 27, 2006. The provider is doing business as Sierra Care Physicians, AMC.
Where is Sierra Nevada Primary Care Physicians A Medical Corporation located?
Sierra Nevada Primary Care Physicians A Medical Corporation is located at 140 Litton Dr Ste 100, Grass Valley, CA 95945. The listed phone number is (530) 477-4016.
What is Sierra Nevada Primary Care Physicians A Medical Corporation's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sierra Nevada Primary Care Physicians A Medical Corporation enrolled in Medicare?
Yes. Sierra Nevada Primary Care Physicians A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sierra Nevada Primary Care Physicians A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Sierra Nevada Primary Care Physicians A Medical Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Family Practice (4) and Nurse Practitioner (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Sierra Nevada Primary Care Physicians A Medical Corporation hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0991196) is associated with this NPI, valid through September 12, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Sierra Nevada Primary Care Physicians A Medical Corporation was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sierra Nevada Primary Care Physicians A Medical Corporation · NPI 1427072008
Family Medicine organization in Grass Valley, California. Organization record, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1427072008 (Entity type: Organization)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Also known as:** Sierra Care Physicians, AMC (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Mara Berezniak, DO
## Practice location
- **Address:** 140 LITTON DR STE 100, Grass Valley, CA 95945-5078
- **Phone:** (530) 477-4016 · **Fax:** (530) 477-4018
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (4), Nurse Practitioner (1); 2 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 24, 2025
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1427072008) · Data from the CMS NPPES public registry.