Registry data as of Aug 27, 2026

Yamil Arbaje, MD

Hematology & Oncology Physician · Madison, WI

Yamil Arbaje, MD is a hematology & oncology physician with a practice address in Madison, Wisconsin, and NPI 1033162904, issued on May 19, 2006. Check the license (Wisconsin 31421-020, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1033162904
Name
Yamil Arbaje
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
31421-020 WI
Self-reported in NPPES; status is on the state search
Practice location
1211 Fish Hatchery RD., Madison, WI 53715
Phone
(608) 252-8000
Enumerated
May 19, 2006
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.
Download card Updates feed

Also registered at 1211 Fish Hatchery RD.

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

  1. Scott Bilse, PA-CPhysician Assistant1245297944
  2. Michael Breunig, DOSports Medicine (Internal Medicine) Physician1811276645
  3. James Christensen, MDSports Medicine (Orthopaedic Surgery) Physician1093072019
  4. Bailey Floerke, PA-CStudent in an Organized Health Care Education/Training Program1124656103
  5. Michael Frontiera, MDHematology & Oncology Physician1669428017
  6. Jennifer Gaschke, PA-CPhysician Assistant1316989874

Verify Yamil Arbaje in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 31421-020
    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 Wisconsin 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.

38% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,223 Medicare Part D claims for 287 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Yamil Arbaje1,223
  2. Specialty average885

Most prescribed

  1. Anastrozole764 claims
  2. Exemestane80 claims
  3. Verzenio53 claims
  4. Letrozole47 claims
  5. Hydroxyurea30 claims
  6. Prednisone28 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.

One hospital or facility affiliation

  1. Dean Health Systems IncMadison, WI

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.

Hematology & Oncology Physician providers in Wisconsin

There are 233 hematology & oncology physician records in Wisconsin.

Other hematology & oncology physician records in Wisconsin

  1. Chady Abboud Leon, M.D.Marshfield, WI1770737744
  2. Rami Abumasmah, MDOshkosh, WI1972779551
  3. Kalid Adab, MDMilwaukee, WI1346473345
  4. Jacob Adashek, DOGermantown, WI1144780107
  5. Gulrayz Ahmed, M.D.Milwaukee, WI1033561808
  6. Ramsha Ahmed, MDMilwaukee, WI1942786462
  7. Othman AkhtarMilwaukee, WI1619325404
  8. Eyad Al-Hattab, MDEau Claire, WI1750395745
  9. Soham AliMadison, WI1437891793
  10. Kaitlin Annunzio, DOMilwaukee, WI1083110951

Common questions

What is Yamil Arbaje, MD's NPI number?

Yamil Arbaje, MD's National Provider Identifier (NPI) is 1033162904, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yamil Arbaje, MD located?

The NPPES record lists a practice address at 1211 Fish Hatchery RD., Madison, WI, 53715. Phone: (608) 252-8000. Providers update this record themselves, so call before visiting.

How can I verify Yamil Arbaje, MD's license?

NPPES lists Wisconsin license number 31421-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yamil Arbaje, MD prescribe under Medicare Part D?

In 2024, Yamil Arbaje, MD had 1,223 Medicare Part D claims for 287 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.

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.