NPPES file of Aug 9, 2026

James D. Rizzo, MD

Hematology & Oncology Physician · Milwaukee, WI

James D. Rizzo, MD is a hematology & oncology physician with a practice address in Milwaukee, Wisconsin, and NPI 1962456988, issued on May 22, 2006. Check the license (Wisconsin 39926, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962456988
Name
James D. Rizzo
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
39926 WI
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-6800
Enumerated
May 22, 2006
Record last updated
Nov 1, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(414) 805-6805
Medicaid IDs
32446600 WI
1962456988 WI
Medicare enrollment
Enrolled (PECOS I20060313000672); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1990
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 9200 W Wisconsin Ave

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

  1. Shameem Aadam, RPHPharmacist1760755680
  2. Abubaker Abdalla, MDHospitalist Physician1194187617
  3. Sameem Abedin, MDHematology & Oncology Physician1063641157
  4. Lolia Abibo, M.D.Hospitalist Physician1912359795
  5. Haisam Abid, MBBSHospitalist Physician1578083184
  6. Faith Abodunrin, MDHematology & Oncology Physician1437768769

Verify James D. Rizzo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 39926
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 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 score66.2
  2. Costout of 100 · 30%68.6
  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: $214.51

1 payment: food and beverage; the largest payer was National Marrow Donor Program. 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. James Rizzo$214.51
  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. The Medical College OF Wisconsin IncMilwaukee, WI

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

James D. Rizzo among 295 hematology & oncology physician records in Wisconsin

James D. Rizzo, MD 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 updated2012 · 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.

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

  1. Yee Chung Cheng, MDMilwaukee, WI 532261811948318
  2. Christopher Chitambar, MDMilwaukee, WI 532261215987748
  3. William Drobyski, MDMilwaukee, WI 532261861443848
  4. Amy Harker-Murray, MDMilwaukee, WI 532261760459663
  5. Peiman Hematti, MDMilwaukee, WI 532261710953732
  6. Walter Longo, MDMilwaukee, WI 532261629044649
  7. Joel Lundberg, MDMilwaukee, WI 532261306827621
  8. William Matthaeus, MDMilwaukee, WI 532261326039074

Common questions

What is James D. Rizzo, MD's NPI number?

James D. Rizzo, MD's National Provider Identifier (NPI) is 1962456988, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James D. Rizzo, MD located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6800. Providers update this record themselves, so call before visiting.

How can I verify James D. Rizzo, MD's license?

NPPES lists Wisconsin license number 39926, 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.

What is James D. Rizzo, MD's MIPS final score?

The 2023 MIPS final score is 80.5 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.