NPPES file of Aug 9, 2026

Kurt R. Duffens, M.D.

Internal Medicine Physician · Everett, WA

Kurt R. Duffens, M.D. is an internal medicine physician with a practice address in Everett, Washington, and NPI 1013003045, issued on Oct 5, 2006. Check the license (Washington MD00046663, as entered in NPPES) 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013003045
Name
Kurt R. Duffens
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD00046663 WA
MD12783 OR
Self-reported in NPPES; status is on the state search
Practice location
3927 Rucker Ave, Everett, WA 98201
Phone
(425) 339-5422
Enumerated
Oct 5, 2006
Record last updated
Jul 23, 2026
Fax
(425) 339-5444
Medicaid ID
073387 OR
Medicare enrollment
Enrolled (PECOS I20101129001005); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 1980
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.
Download card Updates feed

Also registered at 3927 Rucker Ave

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

  1. Paul Abson, MDOtolaryngology Physician1336121029
  2. Alvin AbuegPhysician Assistant1396132015
  3. Peter Ackerman, MDAnesthesiology Physician1659344414
  4. Jeffery Adams, MDOtolaryngology Physician1104891175
  5. Hamed Al-Ghanim, MDFamily Medicine Physician1124039938
  6. Wendi Alexander, ARNPNurse Practitioner1689757874

Verify Kurt R. Duffens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00046663
    Check 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average internal medicine physician in 2024

344 Medicare Part D claims for 189 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Kurt Duffens344
  2. Specialty average3,176

Most prescribed

  1. Lisinopril23 claims
  2. Atorvastatin Calcium16 claims
  3. Gabapentin15 claims
  4. Levothyroxine Sodium15 claims
  5. Amlodipine Besylate13 claims
  6. Alendronate Sodium11 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): 100 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.

  1. Qualityout of 100 · 30% of the final score96.4
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Optum Care Washington PLLCEverett, WA
  2. Oregon Healthcare Resources LLCEugene, OR

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

Kurt R. Duffens among 3,079 internal medicine physician records in Washington

Kurt R. Duffens, M.D. 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1980 · median 2006 among the 1,852 with a school on file
  • Record last updated2026 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Irene Altmann, MDEverett, WA 982011073588232
  2. Jennifer Battaglia, M.D.Everett, WA 982011235117367
  3. John Dilworth, MDEverett, WA 982011720042856
  4. Sheryl Dreyer, MDEverett, WA 982011144298043
  5. Shelly FinnEverett, WA 982011184688210
  6. Todd Gunderson, MDEverett, WA 982011669436176
  7. Michael Jenks, MDEverett, WA 982011477521185
  8. Tul Kalayanamit, MDEverett, WA 982011932171527

Common questions

What is Kurt R. Duffens, M.D.'s NPI number?

Kurt R. Duffens, M.D.'s National Provider Identifier (NPI) is 1013003045, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kurt R. Duffens, M.D. located?

The NPPES record lists a practice address at 3927 Rucker Ave, Everett, WA, 98201. Phone: (425) 339-5422. Providers update this record themselves, so call before visiting.

How can I verify Kurt R. Duffens, M.D.'s license?

NPPES lists Washington license number MD00046663, 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 Kurt R. Duffens, M.D. prescribe under Medicare Part D?

In 2024, Kurt R. Duffens, M.D. had 344 Medicare Part D claims for 189 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Kurt R. Duffens, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.