Katherine Claire Ritchey, DO
Geriatric Medicine (Internal Medicine) Physician · Seattle, WA
Katherine Claire Ritchey, DO is a geriatric medicine (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1558689257, issued on May 6, 2010. Check the license (Washington OP60382932, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Katherine Claire Ritchey
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- OP60382932 WA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Broadway, Seattle, WA 98104
- Phone
- (206) 744-9100
- Enumerated
- May 6, 2010
- Record last updated
- Jul 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 97 in Washington → Look up another NPI →
Also registered at 401 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Britt Alvy, LICSWClinical Social Worker1043765399
- Sakisha BaileyCounselor1184246530
- Hali Bellisario, LICSWClinical Social Worker1083377709
- Rachel Breen, R.N.Registered Nurse1821475583
- Penni Brinkerhoff, M.S.Mental Health Counselor1104936244
- Amanda DebockRegistered Nurse1356961197
Verify Katherine Claire Ritchey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60382932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
163 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl25 claims
- Atorvastatin Calcium22 claims
- Lisinopril21 claims
- Entacapone12 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.
Katherine Claire Ritchey among 97 geriatric medicine (internal medicine) physician records in Washington
Katherine Claire Ritchey, DO is one of 97 geriatric medicine (internal medicine) physician records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2013 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Washington
There are 97 geriatric medicine (internal medicine) physician records in Washington.
All 97 in Washington → Every provider in Seattle → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Itamar Abrass, MDSeattle, WA 981041932266129
- Katherine Bennett, MDSeattle, WA 981041831102581
- John EspinolaSeattle, WA 981041902843519
- Angela Hanson, MDSeattle, WA 981041790895969
- Joe Huang, MDSeattle, WA 981041023209467
- Wayne McCormickSeattle, WA 981041356427074
- Thuan Ong, MD, MPHSeattle, WA 981041801872635
- Elizabeth PhelanSeattle, WA 981041316023070
Common questions
What is Katherine Claire Ritchey, DO's NPI number?
Katherine Claire Ritchey, DO's National Provider Identifier (NPI) is 1558689257, issued on May 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Claire Ritchey, DO located?
The NPPES record lists a practice address at 401 Broadway, Seattle, WA, 98104. Phone: (206) 744-9100. Providers update this record themselves, so call before visiting.
How can I verify Katherine Claire Ritchey, DO's license?
NPPES lists Washington license number OP60382932, 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 Katherine Claire Ritchey, DO prescribe under Medicare Part D?
In 2024, Katherine Claire Ritchey, DO had 163 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.