Marshall A. Mazepa, M.D.
Hematology & Oncology Physician · Minneapolis, MN
Marshall A. Mazepa, M.D. is a hematology & oncology physician with a practice address in Minneapolis, Minnesota, and NPI 1174569354, issued on Jun 22, 2006. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Marshall A. Mazepa
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 157749 NC
Self-reported in NPPES; status is on the state search - Practice location
- M Health Center For Bleeding And Clotting Disorders, Minneapolis, MN 55454
- Phone
- (612) 273-5005
- Enumerated
- Jun 22, 2006
- Record last updated
- Jun 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20170103001822); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 274 in Minnesota → Look up another NPI →
Verify Marshall A. Mazepa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
571 Medicare Part D claims for 77 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims. 54 claims were for opioids.
Most prescribed
- Eliquis131 claims
- Xarelto100 claims
- Oxycodone Hcl44 claims
- Tranexamic Acid25 claims
- Warfarin Sodium21 claims
- Methocarbamol16 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): 81.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Fairview Express CareMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marshall A. Mazepa among 274 hematology & oncology physician records in Minnesota
Marshall A. Mazepa, M.D. is one of 274 hematology & oncology physician records with a practice address in Minnesota. 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 6% of them.
- NPI issued2006 · 6% of these records are older, 62% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2006 · median 2009 among the 208 with a school on file
- Record last updated2023 · 47% 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 Minnesota 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 Minnesota
There are 274 hematology & oncology physician records in Minnesota.
All 274 in Minnesota → Every provider in Minneapolis → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Chaithanya Bhaskar, M.D.Minneapolis, MN 554541306193925
- Gary Grammens, M.D.Minneapolis, MN 554541528031382
- Anita Gul, MDMinneapolis, MN 554541376791038
- Gretchen Ibele, MDMinneapolis, MN 554541225004385
- Amit Kulkarni, M.DMinneapolis, MN 554541417374406
- Brian Rank, MDMinneapolis, MN 554541851361588
- Mukta Arora, M.B., B.S.Minneapolis, MN 554551073557278
- Anne Blaes, M.D.Minneapolis, MN 554551285690156
Common questions
What is Marshall A. Mazepa, M.D.'s NPI number?
Marshall A. Mazepa, M.D.'s National Provider Identifier (NPI) is 1174569354, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marshall A. Mazepa, M.D. located?
The NPPES record lists a practice address at M Health Center For Bleeding And Clotting Disorders, Minneapolis, MN, 55454. Phone: (612) 273-5005. Providers update this record themselves, so call before visiting.
How can I verify Marshall A. Mazepa, M.D.'s license?
Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marshall A. Mazepa, M.D. prescribe under Medicare Part D?
In 2024, Marshall A. Mazepa, M.D. had 571 Medicare Part D claims for 77 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Marshall A. Mazepa, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.7 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.