Katherine D. Bumstead, MD
Family Medicine Physician · Mukilteo, WA
Katherine D. Bumstead, MD is a family medicine physician with a practice address in Mukilteo, Washington, and NPI 1639270762, issued on Sep 25, 2006. Check the license (Washington MD00037555, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Katherine D. Bumstead
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00037555 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4112 Harbour Pointe Blvd SW, Mukilteo, WA 98275
- Phone
- (425) 347-6330
- Enumerated
- Sep 25, 2006
- Record last updated
- Feb 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 8245367 WA
- Medicare enrollment
- Enrolled (PECOS I20050412001335); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4112 Harbour Pointe Blvd SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine D. Bumstead in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00037555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,234 Medicare Part D claims for 334 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 212 claims were for opioids.
Most prescribed
- Atorvastatin Calcium306 claims
- Levothyroxine Sodium233 claims
- Lisinopril200 claims
- Gabapentin131 claims
- Hydrochlorothiazide94 claims
- Losartan Potassium94 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
- Providence Health And Services- WashingtonMukilteo, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 family medicine physician records list a practice address in Mukilteo
They are 19 of the 430 NPPES records with a practice address in Mukilteo, and 5,534 family medicine physician records in Washington.
All 19 in Mukilteo → All 5,534 in Washington → Every provider in Mukilteo →
Other family medicine physician records in Washington
- Shawn Aaron, MDLongview, WA1578560710
- John Abano, M.D.Shoreline, WA1891929857
- Sarah Abbot, DOKirkland, WA1033555180
- Arthur Abbott, M.D.Seattle, WA1255488847
- Dale Abbott, MDBurlington, WA1760453534
- Michael Abbott, MDEast Wenatchee, WA1336179928
- Richard Abbott, M.D.Mount Vernon, WA1689835803
- Charlee Abboud, DOTacoma, WA1174152169
- Suad AbdelazizSeattle, WA1306423421
- Joonis Abdulkhader, M.D.Seattle, WA1518154335
Common questions
What is Katherine D. Bumstead, MD's NPI number?
Katherine D. Bumstead, MD's National Provider Identifier (NPI) is 1639270762, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine D. Bumstead, MD located?
The NPPES record lists a practice address at 4112 Harbour Pointe Blvd SW, Mukilteo, WA, 98275. Phone: (425) 347-6330. Providers update this record themselves, so call before visiting.
How can I verify Katherine D. Bumstead, MD's license?
NPPES lists Washington license number MD00037555, 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 D. Bumstead, MD prescribe under Medicare Part D?
In 2024, Katherine D. Bumstead, MD had 4,234 Medicare Part D claims for 334 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.