Sierra Nevada Primary Care Physicians a Medical Corporation
NPI 1427072008 · Family Medicine Physician · Grass Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierra Nevada Primary Care Physicians a Medical Corporation is a Family Medicine Physician organization in Grass Valley, CA (NPI 1427072008).
Provider details
- NPI number
- 1427072008
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mara Berezniak, DO(530) 432-7023
- License
- C52481 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Sierra Care Physicians, Amc
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2025-10-24
- Certified
- 2025-10-24
Frequently asked questions
- What is Sierra Nevada Primary Care Physicians a Medical Corporation's NPI number?
- Sierra Nevada Primary Care Physicians a Medical Corporation's National Provider Identifier (NPI) is 1427072008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sierra Nevada Primary Care Physicians a Medical Corporation?
- Sierra Nevada Primary Care Physicians a Medical Corporation is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sierra Nevada Primary Care Physicians a Medical Corporation located?
- Sierra Nevada Primary Care Physicians a Medical Corporation's practice location on file with NPPES is 140 Litton Dr Ste 100, Grass Valley, CA 95945-5078.
- What is Sierra Nevada Primary Care Physicians a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Sierra Nevada Primary Care Physicians a Medical Corporation is (530) 477-4016.
- Does Sierra Nevada Primary Care Physicians a Medical Corporation accept Medicare?
- Sierra Nevada Primary Care Physicians a Medical Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sierra Nevada Primary Care Physicians a Medical Corporation?
- The authorized official listed on Sierra Nevada Primary Care Physicians a Medical Corporation's NPPES record is Mara Berezniak, DO. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sierra Nevada Primary Care Physicians a Medical Corporation's NPI active?
- Yes — Sierra Nevada Primary Care Physicians a Medical Corporation's NPI (1427072008) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.