NPPES file of Aug 9, 2026

Jon D. Boyum, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Spokane, WA

Jon D. Boyum, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Spokane, Washington, and NPI 1194801357, issued on Oct 31, 2006. Check the license (Washington MD00045242, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194801357
Name
Jon D. Boyum
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
MD00045242 WA
Self-reported in NPPES; status is on the state search
Practice location
910 W 5TH Ave, Spokane, WA 99204
Phone
(509) 838-2531
Enumerated
Oct 31, 2006
Record last updated
Apr 18, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(509) 755-6580
Medicare enrollment
Enrolled (PECOS I20120703000084); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2000
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 910 W 5TH Ave

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

  1. Lauren Armstrong, CNMAdvanced Practice Midwife1023106994
  2. Tonia Baker, C.N.M./ A.R.N.PAdvanced Practice Midwife1629386610
  3. Susan Baran, ARNPFamily Nurse Practitioner1326040130
  4. Kathleen Bentley, CNMAdvanced Practice Midwife1619065505
  5. Gaye Bloxom, PA-CPhysician Assistant1780862359
  6. Abigail Blumenthal, PAMedical Physician Assistant1205354727

Verify Jon D. Boyum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00045242
    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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86% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

14 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Jon Boyum14
  2. Specialty average101

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.

Industry payments in 2024: $31.76

2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jon Boyum$31.76
  2. Specialty average$7,828.84

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

Bills Medicare through one group practice

  1. Multicare Health SystemTacoma, WA

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

Jon D. Boyum among 120 thoracic surgery (cardiothoracic vascular surgery) physician records in Washington

Jon D. Boyum, MD is one of 120 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Washington. 78% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 49% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2000 · median 2002 among the 77 with a school on file
  • Record last updated2014 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Washington

There are 120 thoracic surgery (cardiothoracic vascular surgery) physician records in Washington.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Matthew Forrester, MDSpokane, WA 992041386805539
  2. Kai Ihnken, M.D.Spokane, WA 992041497863773
  3. Michael Judd, M.D.Spokane, WA 992041902804867
  4. Theodore Koutlas, MDSpokane, WA 992041902898331
  5. Jack Leonard, M.D.Spokane, WA 992041861490732
  6. Alexi Matousek, M.D.Spokane, WA 992041750523577
  7. Steven Nisco, M.D.Spokane, WA 992041093713943
  8. Justin Reeves, M.D.Spokane, WA 992041720245905

Common questions

What is Jon D. Boyum, MD's NPI number?

Jon D. Boyum, MD's National Provider Identifier (NPI) is 1194801357, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jon D. Boyum, MD located?

The NPPES record lists a practice address at 910 W 5TH Ave, Spokane, WA, 99204. Phone: (509) 838-2531. Providers update this record themselves, so call before visiting.

How can I verify Jon D. Boyum, MD's license?

NPPES lists Washington license number MD00045242, 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 Jon D. Boyum, MD prescribe under Medicare Part D?

In 2024, Jon D. Boyum, MD had 14 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.