NPPES file of Aug 9, 2026

Simon Aaron Brown, MD

Radiation Oncology Physician · Kalamazoo, MI

Simon Aaron Brown, MD is a radiation oncology physician with a practice address in Kalamazoo, Michigan, and NPI 1992124531, issued on Apr 10, 2014. Check the license (Michigan EMC0001875, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992124531
Name
Simon Aaron Brown
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
EMC0001875 MI
Self-reported in NPPES; status is on the state search
Practice location
200 N Park St, Kalamazoo, MI 49007
Phone
(269) 382-2500
Enumerated
Apr 10, 2014
Record last updated
Apr 10, 2025
Medicare enrollment
Enrolled (PECOS I20220602001924); accepts Medicare assignment
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 200 N Park St

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

  1. Bharat Agrawal, MDHematology & Oncology Physician1568418358
  2. Laura Ashack, M.D.Radiation Oncology Physician1699138958
  3. Keith Bailey, MDHematology & Oncology Physician1538136718
  4. Kathryn Barnett, NPFamily Nurse Practitioner1770105553
  5. Dustin Bivins, DOHematology & Oncology Physician1790005627
  6. Carol Christianson, M.S.Genetic Counselor (M.S.)1073502605

Verify Simon Aaron Brown 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 EMC0001875
    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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20% more Medicare Part D claims than the average radiation oncology physician in 2024

161 Medicare Part D claims for 84 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Simon Brown161
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl40 claims
  2. Bicalutamide30 claims
  3. Pilocarpine Hcl16 claims
  4. Ondansetron Odt13 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): 85.5 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 score93.2
  2. Costout of 100 · 30%58.4
  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: $313.18

3 payments; by number, the most common kind was food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Simon Brown$313.18
  2. Specialty average$1,897.85

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. West Michigan Cancer CenterKalamazoo, MI

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

Simon Aaron Brown among 239 radiation oncology physician records in Michigan

Simon Aaron Brown, MD is one of 239 radiation oncology physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.

  • NPI issued2014 · 73% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2014 · median 2005 among the 172 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Michigan

There are 239 radiation oncology physician records in Michigan.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Laura Ashack, M.D.Kalamazoo, MI 490071699138958
  2. Allison Hazy, MDKalamazoo, MI 490071093370413
  3. Mazen Mislmani, M.D.Kalamazoo, MI 490071538489554
  4. Daniel Schroyer, M.D.Kalamazoo, MI 490071720287048
  5. Jacquelyn Watson, MDKalamazoo, MI 490071801881065
  6. Randy Mudge, M.D.Battle Creek, MI 490171346200573
  7. David WallingtonBattle Creek, MI 490171598384380
  8. Benjamin Gielda, M.D.Saint Joseph, MI 490851386801496

Common questions

What is Simon Aaron Brown, MD's NPI number?

Simon Aaron Brown, MD's National Provider Identifier (NPI) is 1992124531, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Simon Aaron Brown, MD located?

The NPPES record lists a practice address at 200 N Park St, Kalamazoo, MI, 49007. Phone: (269) 382-2500. Providers update this record themselves, so call before visiting.

How can I verify Simon Aaron Brown, MD's license?

NPPES lists Michigan license number EMC0001875, 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 Simon Aaron Brown, MD prescribe under Medicare Part D?

In 2024, Simon Aaron Brown, MD had 161 Medicare Part D claims for 84 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Simon Aaron Brown, MD's MIPS final score?

The 2023 MIPS final score is 85.5 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.