Dr. Marshall A. Mazepa, MD

  • Minneapolis, MN
  • Hematologist and oncologist
NPI1174569354PAC ID2163663519
Medicare services, 2024
73
Medicare patients, 2024
92
Part D claims, 2024
571
Publications
43
Clinical trials
1
Practice address
2450 Riverside Avenue, Minneapolis, MN 55454
Practice phone
Call (612) 624-1765
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Mazepa's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Marshall A. Mazepa is a hematologist and oncologist in Minneapolis, Minnesota

Dr. Mazepa practices at M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota, part of M Health Fairview.

Dr. Mazepa's NPI, 1174569354, was assigned on June 22, 2006. Dr. Mazepa graduated from University of Wisconsin School of Medicine in 2006. Dr. Mazepa holds North Carolina license 157749.

NPI and contact details
Medicare PAC ID
2163663519
NPI enumeration date
June 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(612) 624-1765
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marshall A. Mazepa practices at M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota

Dr. Mazepa's primary practice is M Health Fairview University of Minnesota Medical Center, at 2450 Riverside Avenue, Minneapolis, MN 55454 in Hennepin County. The practice phone is (612) 624-1765.

Source: Dmand AI Affiliation Data

Dr. Marshall A. Mazepa is affiliated with 6 sites of care and 5 medical groups

Dr. Mazepa's primary practice is M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota, part of M Health Fairview. Dr. Mazepa is also affiliated with M Health Fairview Southdale Hospital. The medical group on file is M Health Fairview Recovery Clinic. Dmand AI also links Dr. Mazepa to 3 more hospitals, 4 medical groups and 1 dialysis center, each named with a free account.

See all 11 affiliations for Dr. Mazepa

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Marshall A. Mazepa's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mazepa practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
M Health Fairview University of Minnesota Medical CenterAvailable with a free account
+5 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Mazepa practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across M Health Fairview and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Marshall A. Mazepa is one of 213 hematologists and oncologists in Minnesota

Hematology and oncology is Dr. Mazepa's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Mazepa is board certified in hematology by the American Board of Internal Medicine. Dr. Mazepa is licensed in North Carolina.

Specialties and state licenses

  • Hematology and oncology, North CarolinaPrimaryLicense 157749 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Mazepa

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Marshall A. Mazepa billed Medicare for 73 services in 2024

CMS data shows 73 Medicare services from Dr. Mazepa across 5 procedure codes in 2024, for 92 Medicare patients. Medicare paid $5,596 for them.

Medicare services, 202473
Medicare patients92
Paid by Medicare$5,596
Procedure codes5

Dr. Mazepa's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 582024: 627%
Other services
2023: 02024: 11

Where Dr. Mazepa's Medicare services took place, 2024

  • In an office1318%
  • In a facility6082%

Dr. Mazepa compared with the Minnesota median for hematologists and oncologists, 2024

  • Dr. Mazepa
  • Minnesota median
Medicare services
73vs 38481% below
Medicare patients
92vs 15039% below
Part D claims
445vs 32836% above

Medians across 209 hematologists and oncologists in Minnesota with Dmand AI profiles that report each measure.

Dr. Mazepa's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Mazepa

Need commercial claims for Dr. Mazepa?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mazepa and other hematologists and oncologists in Minnesota.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marshall A. Mazepa treated 92 Medicare patients in 2024, average age 64

CMS counts 92 Medicare patients who saw Dr. Mazepa in 2024. The largest group is 65 to 74, with 34 patients. 70% of them have high blood pressure, and 55% have high cholesterol. 39% are also on Medicaid. Their average risk score is 3.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Mazepa's median patient age at 61, with 52% women.

Medicare patients, 202492
Average age64
Average risk score3.34
Also on Medicaid39%

Dr. Mazepa's Medicare patients by age, 2024

Dr. Mazepa's Medicare patients by sex, 2024

  • Women5155%
  • Men4145%

Chronic conditions among Dr. Mazepa's Medicare patients, 2024

  1. High blood pressure70%
  2. High cholesterol55%
  3. Chronic kidney disease50%
  4. Mood disorders49%
  5. Anxiety45%
  6. Arthritis42%
  7. Depression40%
  8. Diabetes39%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mazepa's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marshall A. Mazepa wrote 571 Medicare Part D claims in 2024

In 2024, Dr. Mazepa wrote 571 Medicare Part D claims for 77 patients. 44% of them were for generic drugs. CMS names the drug for 445 of them, across 15 drugs with 11 or more claims each, at $1,276,403 in total drug cost. In 2023, CMS named 355 claims across 11 drugs.

Part D claims, 2024571
Drugs named by CMS15
Total drug cost$1.3M
Part D patients77

Dr. Mazepa's Part D claims by kind of drug, 2024

  • Generic253 claims44%
  • Brand-name318 claims56%

Dr. Mazepa's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Mazepa's Part D claims, 2024

  • Opioids9%54 of 571 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3552024: 44525%

Drugs named by CMS: 15 in 2024, 11 in 2023.

See all prescribing by Dr. Mazepa

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Marshall A. Mazepa scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Mazepa for performance year 2024, reported as part of a group. Dr. Mazepa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mazepa as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mazepa's MIPS scores, performance year 2024

  • 89of 100Final score
  • 75.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find hematologists and oncologists like Dr. Mazepa by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Marshall A. Mazepa has 43 publications on record

Dmand AI links 43 papers to Dr. Mazepa, published from 2013 to 2025. 2019 was the busiest year, with 4. The most frequent topics are Purpura, Thrombotic Thrombocytopenic, ADAMTS13 Protein and Plasma Exchange. Dr. Mazepa has published most often in Am J Hematol. Dr. Mazepa's most frequent co-authors are Shruti Chaturvedi, MD, Spero R. Cataland, MD and Raj S. Kasthuri, MBBS, MD.

Papers43
Years published2013 to 2025

Dr. Mazepa's papers by year, 2016 to 2025

Topics Dr. Mazepa writes about most

  • Purpura, Thrombotic Thrombocytopenic
  • ADAMTS13 Protein
  • Plasma Exchange
  • Purpura, Thrombocytopenic, Idiopathic
  • Blood Platelets
  • Hemophilia A
  • Rituximab
  • Thrombosis

Dr. Mazepa's most frequent co-authors

Recent publications by Dr. Mazepa

See all 43 publications and co-authors

See who Dr. Mazepa researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mazepa works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Marshall A. Mazepa has worked on 1 clinical trial

Dmand AI links Dr. Mazepa to 1 clinical trial. Open Payments lists research payments to Dr. Mazepa that name 1 trial.

Investigators on the most trials with Dr. Mazepa

Recent clinical trials with Dr. Mazepa

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Marshall A. Mazepa received $10,759 in industry payments from 2017 to 2025

CMS Open Payments shows 6 general payments to Dr. Mazepa from 3 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 93% of the total. Novartis Pharmaceuticals Corporation paid the most, $6,901. It also lists 7 research payments totaling $55,055 from 2024 to 2025, naming 1 clinical trial.

General payments to Dr. Mazepa by program year, 2017 to 2025

General payments to Dr. Mazepa by kind, 2017 to 2025

$10.8Kin total
  • Consulting fees$10,00893%
  • Speaker and faculty fees$3753%
  • Food and beverage$3563%
  • Education$190%

Companies that paid Dr. Mazepa the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mazepa

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Marshall A. Mazepa graduated from University of Wisconsin School of Medicine

Dr. Mazepa graduated from University of Wisconsin School of Medicine in 2006.

  1. Medical schoolUniversity of Wisconsin School of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Marshall A. Mazepa's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marshall A. Mazepa

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Marshall A. Mazepa's NPI number?

Dr. Marshall A. Mazepa's NPI number is 1174569354. It was assigned on June 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Marshall A. Mazepa?

Dr. Marshall A. Mazepa is a hematologist and oncologist in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Marshall A. Mazepa practice?

Dr. Mazepa practices at 2450 Riverside Avenue, Minneapolis, MN 55454. Dr. Mazepa's primary practice is M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota, part of M Health Fairview. Dmand AI also links Dr. Mazepa to 3 hospitals, 4 medical groups and 1 dialysis center.

What is Dr. Marshall A. Mazepa's office phone number?

The practice phone on file for Dr. Mazepa is (612) 624-1765.

What is Dr. Marshall A. Mazepa's medical license number?

Dr. Mazepa holds North Carolina license 157749.

Which hospitals is Dr. Marshall A. Mazepa affiliated with?

Dr. Mazepa practices at M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota. Dr. Mazepa is also affiliated with M Health Fairview Southdale Hospital. Dmand AI links Dr. Mazepa to 3 more hospitals.

What medical group is Dr. Marshall A. Mazepa part of?

Dr. Mazepa is linked to M Health Fairview Recovery Clinic. Dmand AI links Dr. Mazepa to 4 more medical groups.

Does Dr. Marshall A. Mazepa accept Medicare?

Yes. CMS data shows Dr. Mazepa billed Medicare for 73 services in 2024, and Dr. Mazepa accepts Medicare assignment.

Does Dr. Marshall A. Mazepa offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Mazepa as offering telehealth services.

What is Dr. Marshall A. Mazepa's MIPS score?

Dr. Mazepa's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Marshall A. Mazepa see?

CMS counts 92 Medicare patients who saw Dr. Mazepa in 2024, with an average age of 64.

Is Dr. Marshall A. Mazepa board certified?

Yes. Dr. Mazepa is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Marshall A. Mazepa bill to Medicare?

In 2024, Dr. Mazepa's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99222) and hospital inpatient care (99223).

Where did Dr. Marshall A. Mazepa go to medical school?

Dr. Mazepa graduated from University of Wisconsin School of Medicine in 2006.

What drugs does Dr. Marshall A. Mazepa prescribe most?

In 2024 Medicare Part D data, Dr. Mazepa's most prescribed drugs by claims were Eliquis, Xarelto and Oxycodone HCl.

Has Dr. Marshall A. Mazepa received payments from drug or device companies?

CMS Open Payments shows $10,759 in general payments to Dr. Mazepa from 3 companies from 2017 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Marshall A. Mazepa been practicing?

Dr. Mazepa graduated from medical school in 2006, 20 years ago.

Does Dr. Marshall A. Mazepa do research?

Dmand AI links 43 publications to Dr. Mazepa, published from 2013 to 2025. Dr. Mazepa has worked on 1 clinical trial.

Who does Dr. Marshall A. Mazepa publish with?

Dr. Mazepa's most frequent co-authors are Shruti Chaturvedi, MD (11 shared papers), Spero R. Cataland, MD (9 shared papers) and Raj S. Kasthuri, MBBS, MD (7 shared papers).

Selling to hematology and oncology practices?

See hematologists and oncologists in Minnesota by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)