NPPES file of Aug 9, 2026

Roy H. Kim, M.D.

Hematology & Oncology Physician · Madison, WI

Roy H. Kim, M.D. is a hematology & oncology physician with a practice address in Madison, Wisconsin, and NPI 1942316286, issued on Aug 21, 2006. Check the license (Wisconsin 43145-020, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1942316286
Name
Roy H. Kim
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
43145-020 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
Aug 21, 2006
Record last updated
Feb 21, 2022
Fax
(608) 410-2905
Medicaid ID
1942316286 WI
Medicare enrollment
Enrolled (PECOS I20080226000450); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1990
Telehealth
Offers telehealth (CMS)
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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8 nearest hematology & oncology physician records → All 295 in Wisconsin → Look up another NPI →

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. Yamil Arbaje, MDHematology & Oncology Physician1033162904
  2. Scott Bilse, PA-CPhysician Assistant1245297944
  3. Michael Breunig, DOSports Medicine (Internal Medicine) Physician1811276645
  4. James Christensen, MDOrthopaedic Surgery Physician1093072019
  5. Bailey Floerke, PA-CPhysician Assistant1124656103
  6. Michael Frontiera, MDHematology & Oncology Physician1669428017

Verify Roy H. Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 43145-020    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

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72% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

243 Medicare Part D claims for 63 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.

  1. Roy Kim243
  2. Specialty average877

Most prescribed

  1. Eliquis73 claims
  2. Xarelto45 claims
  3. Prednisone37 claims
  4. Promacta21 claims
  5. Mycophenolate Mofetil16 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.

Industry payments in 2024: $22.57

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Roy Kim$22.57
  2. Specialty average$7,481.41

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. Dean Health Systems IncMadison, WI

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

Roy H. Kim among 295 hematology & oncology physician records in Wisconsin

Roy H. Kim, M.D. is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1990 · median 2004 among the 217 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Wisconsin

There are 295 hematology & oncology physician records in Wisconsin.

All 295 in Wisconsin → Every provider in Madison → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Yamil Arbaje, MDMadison, WI 537151033162904
  2. Trevor Dennie, MDMadison, WI 537151710030333
  3. James Engeler, MDMadison, WI 537151649223975
  4. Michael Frontiera, MDMadison, WI 537151669428017
  5. Lisa Lepeak, M.D.Madison, WI 537151053357384
  6. Thomas McFarland, MDMadison, WI 537151093783250
  7. Jacqueline Mullvain, MDMadison, WI 537151528387131
  8. Ariel Nelson, M.D.Madison, WI 537151083956148

Common questions

What is Roy H. Kim, M.D.'s NPI number?

Roy H. Kim, M.D.'s National Provider Identifier (NPI) is 1942316286, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roy H. Kim, M.D. 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 Roy H. Kim, M.D.'s license?

NPPES lists Wisconsin license number 43145-020, 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 Roy H. Kim, M.D. prescribe under Medicare Part D?

In 2024, Roy H. Kim, M.D. had 243 Medicare Part D claims for 63 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.