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

Dr. Stephen Sanderson Sosnicki, MD

Individual provider Emergency Medicine Physician · NPI 1578884060

Dr. Stephen Sanderson Sosnicki, MD is a Family Practice in Sacramento, California. Graduated from Georgetown University School of Medicine in 2010, 16 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Trained at
Georgetown University School of Medicine
Licensed in
CA
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2020 J St
Sacramento, CA 95811-3120
Phone: (916) 341-0576
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 51 Hitchcock Way, Santa Barbara, CA 93105-3101 — (805) 681-1760

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 134019 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence A134019 (CA)

Record details

NPI number1578884060
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2010
Last updated in NPPESOctober 1, 2020
Certification dateOctober 1, 2020

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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