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

Mateusz P. Karwowski, MD, MPH

Individual provider Pediatrics Physician · NPI 1598701849

Mateusz P. Karwowski, MD, MPH is a Pediatric Medicine in Spokane, Washington. Qualified in 2006, 20 years ago. Accepts Medicare assignment. Licensed in Massachusetts, Washington and Wisconsin.

Years since qualifying
20
Licensed in
MA, WA, WI
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

4001 N Cook St Ste 900
Spokane, WA 99207-5879
Phone: (509) 483-3427
Fax: (509) 865-0757
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD61673723 (WA)
Pediatrics Physician Taxonomy 208000000X · Licence 246895 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 51544-020 (WI)

Record details

NPI number1598701849
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESSeptember 16, 2025
Certification dateSeptember 16, 2025
Mailing addressPo Box 190, Toppenish, WA 98948-0190

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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