Cathy Y. Kawamoto, M.D.
Family Medicine Physician · Seattle, WA
Cathy Y. Kawamoto, M.D. is a family medicine physician with a practice address in Seattle, Washington, and NPI 1083757652, issued on Feb 14, 2007. Check the license (Washington MD00041285, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Cathy Y. Kawamoto
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00041285 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5316 Rainier Ave S, Seattle, WA 98118
- Phone
- (206) 721-5600
- Enumerated
- Feb 14, 2007
- Record last updated
- May 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 8357477 WA
- Medicare enrollment
- Enrolled (PECOS I20041206000154); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 5316 Rainier Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine BennettMedical Physician Assistant1043581101
- Stella BrittPharmacist1275676918
- Katherine Chatham, P.A.Physician Assistant1760526446
- Nicholas Dahlberg, LMHCMental Health Counselor1699207761
- Andrew Derksen-Schrock, MDFamily Medicine Physician1265680409
- Hong-Nhung Do, ARNPFamily Nurse Practitioner1003309683
Verify Cathy Y. Kawamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00041285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average family medicine physician in 2024
2,385 Medicare Part D claims for 359 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 67 claims were for opioids.
Most prescribed
- Atorvastatin Calcium253 claims
- Amlodipine Besylate142 claims
- Losartan Potassium108 claims
- Lisinopril94 claims
- Omeprazole89 claims
- Hydrochlorothiazide79 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonMarysville, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathy Y. Kawamoto among 5,534 family medicine physician records in Washington
Cathy Y. Kawamoto, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2000 · median 2009 among the 3,294 with a school on file
- Record last updated2021 · 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 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Quynh Bui, M.D.Seattle, WA 981181639286388
- Dennis Haack, M.D.Seattle, WA 981181417052648
- Kimberley Herner, MDSeattle, WA 981181740202514
- Kristen Kelly, MDSeattle, WA 981181417057407
- Jinna Kim, MDSeattle, WA 981181487764866
- Ling Lee, M.D.Seattle, WA 981181669489928
- Jeffrey Lee, MDSeattle, WA 981181558471987
- James Park, MDSeattle, WA 981181285647925
Common questions
What is Cathy Y. Kawamoto, M.D.'s NPI number?
Cathy Y. Kawamoto, M.D.'s National Provider Identifier (NPI) is 1083757652, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Y. Kawamoto, M.D. located?
The NPPES record lists a practice address at 5316 Rainier Ave S, Seattle, WA, 98118. Phone: (206) 721-5600. Providers update this record themselves, so call before visiting.
How can I verify Cathy Y. Kawamoto, M.D.'s license?
NPPES lists Washington license number MD00041285, 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.
How much does Cathy Y. Kawamoto, M.D. prescribe under Medicare Part D?
In 2024, Cathy Y. Kawamoto, M.D. had 2,385 Medicare Part D claims for 359 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.