NPPES file of Aug 9, 2026

John L. Mignone, MD, PHD

Advanced Heart Failure and Transplant Cardiology Physician · Seattle, WA

John L. Mignone, MD, PHD is an advanced heart failure and transplant cardiology physician with a practice address in Seattle, Washington, and NPI 1194834127, issued on Aug 30, 2006. Check the license (Washington MD60069013, 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
1194834127
Name
John L. Mignone
Credential
MD, PHD
Primary taxonomy
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
License number
MD60069013 WA
Self-reported in NPPES; status is on the state search
Practice location
1600 E Jefferson St Ste 600, Seattle, WA 98122
Phone
(206) 215-4545
Enumerated
Aug 30, 2006
Record last updated
Oct 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(206) 215-4550
Medicaid ID
1194834127 WA
Medicare enrollment
Enrolled (PECOS I20210408001322); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2006
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 1600 E Jefferson St Ste 600

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

  1. Scott Arno, MD, PHDCardiovascular Disease Physician1487195707
  2. Rebecca Campbell, MDPsychiatry Physician1174084198
  3. Lee Chang, MDCardiovascular Disease Physician1861832412
  4. Emily Curtis, LICSWClinical Social Worker1568034890
  5. Walter Gradek, MDCardiovascular Disease Physician1164490892
  6. Eleanor Miller, ARNPNurse Practitioner1306254891

Verify John L. Mignone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60069013
    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

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47% fewer Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024

1,051 Medicare Part D claims for 183 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. John Mignone1,051
  2. Specialty average1,965

Most prescribed

  1. Metoprolol Succinate120 claims
  2. Entresto72 claims
  3. Vyndamax61 claims
  4. Jardiance56 claims
  5. Spironolactone56 claims
  6. Losartan Potassium52 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): 80.1 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 score81.1
  2. Costout of 100 · 30%52.6
  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).

Industry payments in 2024: $3,520.19

7 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Medtronic, Inc. The 1,027 providers of this specialty with any payment received $10,265.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Mignone$3,520
  2. Specialty average$10,266

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Southeast Alaska Regional Health ConsortiumSitka, AK · Critical Access Hospitals3 of 5 stars
  2. Swedish Health ServicesBellevue, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Advanced Heart Failure and Transplant Cardiology Physician providers in Washington

There are 22 advanced heart failure and transplant cardiology physician records in Washington.

Other advanced heart failure and transplant cardiology physician records in Washington

  1. David Bragin-Sanchez, MDSpokane, WA1457364770
  2. Richard Cheng, M.D.Seattle, WA1548423502
  3. Todd Dardas, MDSeattle, WA1184647711
  4. Daniel Fishbein, MDSeattle, WA1255455879
  5. Jerry John, MDTacoma, WA1659440543
  6. Wayne LevySeattle, WA1679663538
  7. Shin Lin, MD, PHD, MHSSeattle, WA1609095637
  8. Elina Minami, MDSeattle, WA1831274646
  9. Deirdre Mooney, MD, MPHSpokane, WA1003041468
  10. James Mudd, M.D.Spokane, WA1598802670

Common questions

What is John L. Mignone, MD, PHD's NPI number?

John L. Mignone, MD, PHD's National Provider Identifier (NPI) is 1194834127, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John L. Mignone, MD, PHD located?

The NPPES record lists a practice address at 1600 E Jefferson St Ste 600, Seattle, WA, 98122. Phone: (206) 215-4545. Providers update this record themselves, so call before visiting.

How can I verify John L. Mignone, MD, PHD's license?

NPPES lists Washington license number MD60069013, 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 John L. Mignone, MD, PHD prescribe under Medicare Part D?

In 2024, John L. Mignone, MD, PHD had 1,051 Medicare Part D claims for 183 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.

What is John L. Mignone, MD, PHD's MIPS final score?

The 2023 MIPS final score is 80.1 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.