Kathryn Patricia Pennington, M.D.
Gynecologic Oncology Physician · Seattle, WA
Kathryn Patricia Pennington, M.D. is a gynecologic oncology physician with a practice address in Seattle, Washington, and NPI 1336265511, issued on Mar 21, 2007. Check the license (Washington MD60232578, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Kathryn Patricia Pennington
- Credential
- M.D.
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- MD60232578 WA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 228-1000
- Enumerated
- Mar 21, 2007
- Record last updated
- Aug 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 1336265511 WA
- Medicare enrollment
- Enrolled (PECOS I20240621001415); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farnoush Abar, M.D.Hematology & Oncology Physician1558560342
- Francis Achacoso, MBA, MSN, RN, NE-BCRegistered Nurse1215604061
- Bamidele Adebayo, MDNeurological Surgery Physician1255176194
- Oyebimpe Adesina, MDHematology & Oncology Physician1184934770
- Shirali AgarwalHematology & Oncology Physician1972093052
- Ali AlgiraigriSpecialist1467880260
Verify Kathryn Patricia Pennington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60232578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024
178 Medicare Part D claims for 58 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 30 claims were for opioids.
Most prescribed
- Omeprazole15 claims
- Oxycodone Hcl15 claims
- Ibuprofen13 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.
Industry payments in 2024: $225.92
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Bartlett Regional HospitalJuneau, AK · Acute Care Hospitals4 of 5 stars
- Alaska Native Tribal Health ConsortiumAnchorage, AK
- Alaska Womens Cancer Care LLCAnchorage, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gynecologic Oncology Physician providers in Washington
There are 42 gynecologic oncology physician records in Washington.
Other gynecologic oncology physician records in Washington
- Crystal Adams, MDLacey, WA1013111608
- Allison Barrie, MDSeattle, WA1194026690
- Melanie Bergman, M.D.Spokane, WA1902892987
- Michael Bidus, M.D.Gig Harbor, WA1235192584
- Amy Bondurant, MDSeattle, WA1619992724
- Christopher Breed, M.D.Puyallup, WA1790077253
- Amy Brockmeyer, MDSeattle, WA1891959862
- Jennifer Burzawa, M.D.Renton, WA1861715096
- Amanda Cousins, MDTacoma, WA1033537683
- Marisa Dahlman, M.D.Seattle, WA1144497728
Common questions
What is Kathryn Patricia Pennington, M.D.'s NPI number?
Kathryn Patricia Pennington, M.D.'s National Provider Identifier (NPI) is 1336265511, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Patricia Pennington, M.D. located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 228-1000. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Patricia Pennington, M.D.'s license?
NPPES lists Washington license number MD60232578, 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 Kathryn Patricia Pennington, M.D. prescribe under Medicare Part D?
In 2024, Kathryn Patricia Pennington, M.D. had 178 Medicare Part D claims for 58 beneficiaries; the average among gynecologic oncology physician prescribers was 195. 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.