Elizabeth Karen Stewart, DO
Internal Medicine Physician · Everett, WA
Elizabeth Karen Stewart, DO is an internal medicine physician with a practice address in Everett, Washington, and NPI 1194138834, issued on Jun 10, 2014. Check the license (Washington OP60854289, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Karen Stewart
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OP60854289 WA
5101021260 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1321 Colby Ave FL 3, Everett, WA 98201
- Phone
- (425) 261-2000
- Enumerated
- Jun 10, 2014
- Record last updated
- Mar 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (425) 261-4078
- Medicare enrollment
- Enrolled (PECOS I20190624001871); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1321 Colby Ave FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elizabeth Karen Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60854289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average internal medicine physician in 2024
3,513 Medicare Part D claims for 217 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 102 claims were for opioids.
Most prescribed
- Trazodone Hcl175 claims
- Atorvastatin Calcium169 claims
- Quetiapine Fumarate147 claims
- Memantine Hcl100 claims
- Furosemide91 claims
- Tamsulosin Hcl88 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 59.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Post Acute Medical PLLCEdmonds, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Karen Stewart among 3,079 internal medicine physician records in Washington
Elizabeth Karen Stewart, DO is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2006 among the 1,852 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
174 internal medicine physician records list a practice address in Everett
They are 174 of the 7,246 NPPES records with a practice address in Everett, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Everett → Internal Medicine Physician nationwide →
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Common questions
What is Elizabeth Karen Stewart, DO's NPI number?
Elizabeth Karen Stewart, DO's National Provider Identifier (NPI) is 1194138834, issued on Jun 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Karen Stewart, DO located?
The NPPES record lists a practice address at 1321 Colby Ave FL 3, Everett, WA, 98201. Phone: (425) 261-2000. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Karen Stewart, DO's license?
NPPES lists Washington license number OP60854289, 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 Elizabeth Karen Stewart, DO prescribe under Medicare Part D?
In 2024, Elizabeth Karen Stewart, DO had 3,513 Medicare Part D claims for 217 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Elizabeth Karen Stewart, DO's MIPS final score?
The 2023 MIPS final score is 59.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.