NPPES file of Aug 9, 2026

Mark J. Moskowitz, MD

Hematology & Oncology Physician · Milwaukee, WI

Mark J. Moskowitz, MD is a hematology & oncology physician with a practice address in Milwaukee, Wisconsin, and NPI 1295718815, issued on Nov 29, 2005. Check the license (Wisconsin 25368, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295718815
Name
Mark J. Moskowitz
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
25368 WI
ME55170 FL
Self-reported in NPPES; status is on the state search
Practice location
9200 W Wisconsin Ave, Milwaukee, WI 53226
Phone
(414) 805-0505
Enumerated
Nov 29, 2005
Record last updated
Jan 29, 2025
Fax
(414) 955-0231
Medicaid IDs
1295718815 WI
035503800 FL
Medicare enrollment
Enrolled (PECOS I20250312000202); accepts Medicare assignment
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 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 Mark J. Moskowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 25368    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.

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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).

Mark J. Moskowitz among 295 hematology & oncology physician records in Wisconsin

Mark J. Moskowitz, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1982 · median 2004 among the 217 with a school on file
  • Record last updated2025 · 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 Milwaukee → Hematology & Oncology Physician nationwide →

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 Mark J. Moskowitz, MD's NPI number?

Mark J. Moskowitz, MD's National Provider Identifier (NPI) is 1295718815, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark J. Moskowitz, MD located?

The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-0505. Providers update this record themselves, so call before visiting.

How can I verify Mark J. Moskowitz, MD's license?

NPPES lists Wisconsin license number 25368, 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.

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.