Registry data as of Aug 27, 2026

Jonathon Blais, D.O

Internal Medicine Physician · Kalamazoo, MI

Jonathon Blais, D.O is an internal medicine physician with a practice address in Kalamazoo, Michigan, and NPI 1881048213, issued on Apr 22, 2016. Check the license on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881048213
Name
Jonathon Blais
Credential
D.O
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
601 John St Ste 100, Kalamazoo, MI 49007
Phone
(269) 373-1222
Enumerated
Apr 22, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 601 John St Ste 100

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

  1. Thomas Franzon, M.D.Clinical Cardiac Electrophysiology Physician1740676295
  2. Ryan GoodAdult Health Nurse Practitioner1104512169
  3. Atanas Iliev, D.O.Internal Medicine Physician1942612858
  4. Sherin John, PA-CPhysician Assistant1912583170
  5. Shreya NagarkarPhysician Assistant1336872662
  6. Rachel Newhouse, PACPhysician Assistant1942924576

Verify Jonathon Blais in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of MedicineCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

25% more Medicare Part D claims than the average internal medicine physician in 2024

3,472 Medicare Part D claims for 557 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Jonathon Blais3,472
  2. Specialty average2,785

Most prescribed

  1. Eliquis532 claims
  2. Metoprolol Succinate513 claims
  3. Xarelto189 claims
  4. Furosemide149 claims
  5. Metoprolol Tartrate148 claims
  6. Losartan Potassium146 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 Medicare quality score for 2023: 86.2 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 score98.3
  2. Costout of 100 · 30%47.8
  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: $308.09

18 payments, mostly food and beverage; the largest payer was Amgen Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathon Blais$308.09
  2. Specialty average$2,536.66

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

4 hospital and facility affiliations

  1. Bronson Lakeview HospitalPaw Paw, MI · Critical Access Hospitals5 of 5 stars
  2. Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospitals4 of 5 stars
  3. Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospitals3 of 5 stars
  4. Bronson South Haven HospitalSouth Haven, MI · Acute Care Hospitals

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

154 internal medicine physician records list a Kalamazoo practice address

They are 154 of the 6,553 NPPES records with a Kalamazoo practice address, and 6,589 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Keith Aaronson, MDAnn Arbor, MI1144305301
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Hawazin Abbas, MDAuburn Hills, MI1699020677
  5. Imran Abbasi, D.O.Warren, MI1427409887
  6. Ramzi Abbasi, MDSaginaw, MI1164270005
  7. Saadat Abbasi, MDKalamazoo, MI1912005596
  8. Shahzaman Abbasi, MDLansing, MI1376512111
  9. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  10. Joseph Abbo, MDYpsilanti, MI1982136503

Common questions

What is Jonathon Blais, D.O's NPI number?

Jonathon Blais, D.O's National Provider Identifier (NPI) is 1881048213, issued on Apr 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Jonathon Blais, D.O located?

The NPPES record lists a practice address at 601 John St Ste 100, Kalamazoo, MI, 49007. Phone: (269) 373-1222. Providers update this record themselves, so call before visiting.

How can I verify Jonathon Blais, D.O's license?

Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathon Blais, D.O prescribe under Medicare Part D?

In 2024, Jonathon Blais, D.O had 3,472 Medicare Part D claims for 557 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Jonathon Blais, D.O's Medicare quality score?

The 2023 MIPS final score is 86.2 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.