NPPES file of Aug 9, 2026

Thomas A. Giever, D.O.

Hematology & Oncology Physician · Milwaukee, WI

Thomas A. Giever, D.O. is a hematology & oncology physician with a practice address in Milwaukee, Wisconsin, and NPI 1700059383, issued on Apr 3, 2008. Check the license (Wisconsin 53988, 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
1700059383
Name
Thomas A. Giever
Credential
D.O.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
53988 WI
53988-021 WI
OP 60533393 WA
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-4600
Enumerated
Apr 3, 2008
Record last updated
Oct 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(414) 346-8280
Medicaid ID
1700059383 WI
Medicare enrollment
Enrolled (PECOS I20110810000402); accepts Medicare assignment
Medical or professional school
Kansas City University Of Physicians And Surgeons, 2008
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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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 Thomas A. Giever in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 53988
    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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11% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

777 Medicare Part D claims for 160 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Thomas Giever777
  2. Specialty average877

Most prescribed

  1. Abiraterone Acetate138 claims
  2. Prednisone123 claims
  3. Anastrozole73 claims
  4. Dexamethasone60 claims
  5. Ondansetron Hcl51 claims
  6. Bicalutamide25 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): 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: $170.10

2 payments; by number, the most common kind was education; the largest payer was Astellas Pharma US Inc. 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. Thomas Giever$170.10
  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).

Thomas A. Giever among 295 hematology & oncology physician records in Wisconsin

Thomas A. Giever, D.O. 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 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2008 · median 2004 among the 217 with a school on file
  • Record last updated2020 · 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 Thomas A. Giever, D.O.'s NPI number?

Thomas A. Giever, D.O.'s National Provider Identifier (NPI) is 1700059383, issued on Apr 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas A. Giever, D.O. located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-4600. Providers update this record themselves, so call before visiting.

How can I verify Thomas A. Giever, D.O.'s license?

NPPES lists Wisconsin license number 53988, 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 Thomas A. Giever, D.O. prescribe under Medicare Part D?

In 2024, Thomas A. Giever, D.O. had 777 Medicare Part D claims for 160 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Thomas A. Giever, D.O.'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.