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

Jay W. Krzewinski, MD

Individual provider Internal Medicine Physician · NPI 1902835317

Jay W. Krzewinski, MD is an Internal Medicine in Roseville, California. Graduated from University of Washington School of Medicine in 2002, 24 years ago. Practices with Promedica Monroe Physicians, a 64-clinician group and accepts Medicare assignment. Licensed in California and Michigan.

Years since qualifying
24
Trained at
University of Washington School of Medicine
Licensed in
CA, MI
In the registry since
2006
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

1 Medical Plaza Dr
Roseville, CA 95661-3037
Phone: (916) 781-1927
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C147049 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301087338 (MI)

Record details

NPI number1902835317
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESMay 12, 2017

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Promedica Monroe Physicians — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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