Mateusz P. Karwowski, M.D., M.P.H.
Pediatrics Physician · Spokane, WA
Mateusz P. Karwowski, M.D., M.P.H. is a pediatrics physician with a practice address in Spokane, Washington, and NPI 1598701849, issued on Jun 22, 2006. Check the license (Washington MD61673723, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mateusz P. Karwowski
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- MD61673723 WA
246895 MA
51544-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4001 N Cook St Ste 900, Spokane, WA 99207
- Phone
- (509) 483-3427
- Enumerated
- Jun 22, 2006
- Record last updated
- Sep 16, 2025
- Fax
- (509) 865-0757
- Medicare enrollment
- Enrolled (PECOS I20251014001558); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,753 in Washington → Look up another NPI →
Also registered at 4001 N Cook St Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Bowsman, APRN, CNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1699404053
- Savanna Daugherty, APCMental Health Counselor1669141388
- James Ellis, MA, LMHCMental Health Counselor1942709191
- Austin GeorgePsychiatric/Mental Health Nurse Practitioner1679238471
- Cameren Redmond, PA-CPhysician Assistant1841905676
- Melinda Roca, PHARMDPharmacist1720754468
Verify Mateusz P. Karwowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61673723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mateusz P. Karwowski among 1,753 pediatrics physician records in Washington
Mateusz P. Karwowski, M.D., M.P.H. is one of 1,753 pediatrics physician records with a practice address in Washington. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 7% of these records are
- Graduated2006 · median 2014 among the 124 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Washington
There are 1,753 pediatrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,753 in Washington → Every provider in Spokane → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Robert Maixner, M.D.Spokane, WA 992071801826359
- Sherry BakerSpokane, WA 992081427478692
- Anna Barber, MDSpokane, WA 992081427169093
- Julie Celeberti, MDSpokane, WA 992081285600866
- Deborah Icenogle, MDSpokane, WA 992081831296177
- David Joosten, M.D.Spokane, WA 992081902884869
- Joy Li, M.D.Spokane, WA 992081366479446
- Taryn Meacham, MDSpokane, WA 992081871243394
Common questions
What is Mateusz P. Karwowski, M.D., M.P.H.'s NPI number?
Mateusz P. Karwowski, M.D., M.P.H.'s National Provider Identifier (NPI) is 1598701849, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mateusz P. Karwowski, M.D., M.P.H. located?
The NPPES record lists a practice address at 4001 N Cook St Ste 900, Spokane, WA, 99207. Phone: (509) 483-3427. Providers update this record themselves, so call before visiting.
How can I verify Mateusz P. Karwowski, M.D., M.P.H.'s license?
NPPES lists Washington license number MD61673723, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.