Marshall Mazepa, M.D.
NPI 1174569354 · Hematology & Oncology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Mazepa, M.D. is a Hematology & Oncology Physician provider in Minneapolis, MN (NPI 1174569354).
Provider details
- NPI number
- 1174569354
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 157749 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
73 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $89 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $163 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $88 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 11 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 131 | 25 |
| Rivaroxabanbrand: Xarelto | 100 | 14 |
| Oxycodone Hcl | 44 | — |
| Tranexamic Acid | 25 | — |
| Warfarin Sodium | 21 | — |
| Methocarbamol | 16 | — |
| Pegcetacoplanbrand: Empaveli | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2023-06-14
- Certified
- 2023-06-05
Frequently asked questions
- What is Marshall Mazepa's NPI number?
- Marshall Mazepa's National Provider Identifier (NPI) is 1174569354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Mazepa's specialty?
- Marshall Mazepa is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Mazepa located?
- Marshall Mazepa's practice location on file with NPPES is M Health Center for Bleeding and Clotting Disorders, Minneapolis, MN 55454.
- What is Marshall Mazepa's phone number?
- The practice phone number listed in the NPPES registry for Marshall Mazepa is (612) 273-5005.
- Does Marshall Mazepa accept Medicare?
- Marshall Mazepa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Mazepa's NPI active?
- Yes — Marshall Mazepa's NPI (1174569354) is active in the NPPES registry as of the last update on 2023-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.