NPPES file of Aug 9, 2026

Karen Akasaka, DO

Family Medicine Physician · Bellevue, WA

Karen Akasaka, DO is a family medicine physician with a practice address in Bellevue, Washington, and NPI 1053775601, issued on Apr 11, 2016. 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
1053775601
Name
Karen Akasaka
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34.013162 OH
Self-reported in NPPES; status is on the state search
Practice location
10400 NE 4TH St Ste 2250, Bellevue, WA 98004
Phone
(425) 274-1003
Enumerated
Apr 11, 2016
Record last updated
Mar 17, 2025
Fax
(415) 252-7176
Medicaid ID
0354838 OH
Medicare enrollment
Enrolled (PECOS I20210830000542); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2016
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10400 NE 4TH St Ste 2250

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

  1. Odhett Cojocaru, MDInternal Medicine Physician1134140171
  2. Lisa Hammon, ARNPNurse Practitioner1467921361
  3. Erin Hutchison, PA-CPhysician Assistant1619337433
  4. Darya KhosropanahFamily Medicine Physician1932803434
  5. Kyle Kung, D.O.Family Medicine Physician1013362847
  6. Jessica LujanNurse Practitioner1992169262

Verify Karen Akasaka 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

63 Medicare Part D claims for 11 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Karen Akasaka63
  2. Specialty average3,544

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

  1. One Medical Group IncBellevue, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Akasaka among 5,534 family medicine physician records in Washington

Karen Akasaka, DO 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2009 among the 3,294 with a school on file
  • Record last updated2025 · 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).

129 family medicine physician records list a practice address in Bellevue

They are 129 of the 6,738 NPPES records with a practice address in Bellevue, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kerstin Beijer, MDBellevue, WA 980041912944836
  2. Julie Chuan, M.DBellevue, WA 980041174553184
  3. Janine Cooley, MDBellevue, WA 980041013905009
  4. Alexis David, M.D.Bellevue, WA 980041336175033
  5. Antony Egnal, MDBellevue, WA 980041821086810
  6. Elizabeth Herseth, MDBellevue, WA 980041174507602
  7. Denise Kraft, MDBellevue, WA 980041033109855
  8. Guozhen Liu, M.D.Bellevue, WA 980041053354613

Common questions

What is Karen Akasaka, DO's NPI number?

Karen Akasaka, DO's National Provider Identifier (NPI) is 1053775601, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Karen Akasaka, DO located?

The NPPES record lists a practice address at 10400 NE 4TH St Ste 2250, Bellevue, WA, 98004. Phone: (425) 274-1003. Providers update this record themselves, so call before visiting.

How can I verify Karen Akasaka, DO'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 Karen Akasaka, DO prescribe under Medicare Part D?

In 2024, Karen Akasaka, DO had 63 Medicare Part D claims for 11 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.