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

Individual provider Emergency Medicine Physician · NPI 1871159392

Gretchen Marie Nonawzki, DO is an Emergency Medicine in Sacramento, California. Graduated from University of New England, College of Osteo Medicine in 2019, 7 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Trained at
University of New England, College of Osteo Medicine
Licensed in
CA
In the registry since
2019
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

2025 Morse Ave
Sacramento, CA 95825-2115
Phone: (916) 973-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 20A23881 (CA)

Record details

NPI number1871159392
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 10, 2019
Last updated in NPPESJuly 2, 2025
Certification dateJuly 2, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2019 (7 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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