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

Laurence M. Brostoff, MD

Individual provider Internal Medicine Physician · NPI 1255498507

Laurence M. Brostoff, MD is a Hospitalist in Silverdale, Washington. Graduated from University of Southern California Keck School of Medicine in 1987, 39 years ago. Practices with Kaiser Foundation Health Plan of Washington, a 1,519-clinician group and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
39
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA, WA
In the registry since
2007
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

10452 Silverdale Way NW
Silverdale, WA 98383-9411
Phone: (360) 307-7300
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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 MD00029903 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G61694 (CA)

Record details

NPI number1255498507
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 3, 2007
Last updated in NPPESMay 18, 2021
Certification dateMay 18, 2021

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Kaiser Foundation Health Plan Of Washington — 1519 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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