NPPES file of Aug 9, 2026

Katherine Mayumi Colpitts, M.D.

Emergency Medicine Physician · Bellevue, WA

Katherine Mayumi Colpitts, M.D. is an emergency medicine physician with a practice address in Bellevue, Washington, and NPI 1235573445, issued on Apr 18, 2013. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235573445
Name
Katherine Mayumi Colpitts
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD457266 PA
Self-reported in NPPES; status is on the state search
Practice location
11511 NE 10TH St, Bellevue, WA 98004
Phone
(425) 502-3000
Enumerated
Apr 18, 2013
Record last updated
Apr 24, 2024
Fax
(844) 620-1839
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 11511 NE 10TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa AdamsPhysical Therapist1831295591
  2. Ali Alhusseini, MDInternal Medicine Physician1770840738
  3. Adrienne Anderson, LICSWClinical Social Worker1770142143
  4. Kate Andrews, P.A.Physician Assistant1295280782
  5. Aaron Apodaca, M.D.Hospitalist Physician1427115815
  6. Esther Argenyi, M.D.Diagnostic Radiology Physician1750425369

Verify Katherine Mayumi Colpitts in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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4% more Medicare Part D claims than the average emergency medicine physician in 2024

236 Medicare Part D claims for 165 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 16 claims were for opioids.

  1. Katherine Colpitts236
  2. Specialty average226

Most prescribed

  1. Cephalexin26 claims
  2. Amoxicillin-Clavulanate Potass23 claims
  3. Azithromycin21 claims
  4. Prednisone21 claims
  5. Cyclobenzaprine Hcl13 claims
  6. Ondansetron Odt13 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 Mayumi Colpitts among 1,459 emergency medicine physician records in Washington

Katherine Mayumi Colpitts, M.D. is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 72% of them.

  • NPI issued2013 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Washington

There are 1,459 emergency medicine physician records in Washington.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Yancy Bellis, M.D.Bellevue, WA 980041154357127
  2. Daniel Burian, MDBellevue, WA 980041689788457
  3. Enrique Enguidanos, MDBellevue, WA 980041821041435
  4. Eric Friedland, M.D.Bellevue, WA 980041265471817
  5. Gary Henkel, MDBellevue, WA 980041336160571
  6. Bradford Kilcline, MDBellevue, WA 980041437252442
  7. Julie McCormick, DOBellevue, WA 980041962410050
  8. Jehangir Meer, M.D.Bellevue, WA 980041699729087

Common questions

What is Katherine Mayumi Colpitts, M.D.'s NPI number?

Katherine Mayumi Colpitts, M.D.'s National Provider Identifier (NPI) is 1235573445, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Mayumi Colpitts, M.D. located?

The NPPES record lists a practice address at 11511 NE 10TH St, Bellevue, WA, 98004. Phone: (425) 502-3000. Providers update this record themselves, so call before visiting.

How can I verify Katherine Mayumi Colpitts, M.D.'s license?

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 Mayumi Colpitts, M.D. prescribe under Medicare Part D?

In 2024, Katherine Mayumi Colpitts, M.D. had 236 Medicare Part D claims for 165 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.