NPPES file of Aug 9, 2026

Ryan M. Bylsma, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Muskegon, MI

Ryan M. Bylsma, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Muskegon, Michigan, and NPI 1205275765, issued on Jun 18, 2013. Check the license (Michigan 4301102981, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1205275765
Name
Ryan M. Bylsma
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
4301102981 MI
Self-reported in NPPES; status is on the state search
Practice location
1560 E Sherman Blvd Ste 309, Muskegon, MI 49444
Phone
(231) 672-8643
Enumerated
Jun 18, 2013
Record last updated
Jan 31, 2022
Fax
(231) 672-8651
Medicare enrollment
Enrolled (PECOS I20160415000969); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2013
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 1560 E Sherman Blvd Ste 309

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

  1. Julie Anderson, PA-CSurgical Physician Assistant1114990447
  2. Theodore Boeve, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1225000912
  3. Keith Dufendach, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1821525429
  4. Meghan Halub, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1821436924
  5. Kristina Nitzsche, PA-CSurgical Physician Assistant1689864795

Verify Ryan M. Bylsma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301102981
    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 Michigan 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.

  1. Ryan Bylsma14
  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: $528.13

20 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. Ryan Bylsma$528.13
  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. Mercy Health Partners Sub-Specialty ServicesMuskegon, MI

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

Ryan M. Bylsma among 208 thoracic surgery (cardiothoracic vascular surgery) physician records in Michigan

Ryan M. Bylsma, MD is one of 208 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Michigan. 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 2013, is newer than 79% of them.

  • NPI issued2013 · 79% of these records are older, 17% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2013 · median 1998 among the 135 with a school on file
  • Record last updated2022 · 52% 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 Michigan 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 Michigan

There are 208 thoracic surgery (cardiothoracic vascular surgery) physician records in Michigan.

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

  1. Theodore Boeve, MDMuskegon, MI 494441225000912
  2. Keith Dufendach, MDMuskegon, MI 494441821525429
  3. Meghan Halub, MDMuskegon, MI 494441821436924
  4. Charles O'Brien, MDMuskegon, MI 494441700830478
  5. Robert Porter, M.D.Muskegon, MI 494441023071321
  6. Steven Demos, M.D.Norton Shores, MI 494411629358650
  7. Osama Eltayeb, M.D.Grand Rapids, MI 495031336111681
  8. James Hammel, MDGrand Rapids, MI 495031063461317

Common questions

What is Ryan M. Bylsma, MD's NPI number?

Ryan M. Bylsma, MD's National Provider Identifier (NPI) is 1205275765, issued on Jun 18, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Ryan M. Bylsma, MD located?

The NPPES record lists a practice address at 1560 E Sherman Blvd Ste 309, Muskegon, MI, 49444. Phone: (231) 672-8643. Providers update this record themselves, so call before visiting.

How can I verify Ryan M. Bylsma, MD's license?

NPPES lists Michigan license number 4301102981, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ryan M. Bylsma, MD prescribe under Medicare Part D?

In 2024, Ryan M. Bylsma, 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.