Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mara Berezniak, DO

Individual provider Family Medicine Physician · NPI 1770535585

Dr. Mara Berezniak, DO is a Family Practice in Penn Valley, California. Qualified in 2000, 26 years ago. Practices with Sierra Nevada Primary Care Physicians a Medical Corporation, a 5-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

11400 Pleasant Valley Rd
Penn Valley, CA 95946-9001
Phone: (530) 432-7023
Fax: (530) 432-7026
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A7940 (CA)

Record details

NPI number1770535585
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESOctober 24, 2025
Certification dateOctober 24, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Sierra Nevada Primary Care Physicians A Medical Corporation — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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