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

Peter Bosak, MD

Individual provider Internal Medicine Physician · NPI 1811912892

Peter Bosak, MD is an Internal Medicine in Auburn, Washington. Qualified in 1991, 35 years ago. Practices with Multicare Health System, a 2,302-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
35
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

202 N Division St
Auburn, WA 98001-4939
Phone: (253) 876-7997
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD00045839 (WA)

Record details

NPI number1811912892
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESSeptember 8, 2010
Mailing address315 Martin Luther King Jr Way, Tacoma, WA 98405-4234

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Multicare Health System — 2302 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Auburn