Miroslaw A. Mazurczak, M.D.
Hematology & Oncology Physician · Sioux Falls, SD
Miroslaw A. Mazurczak, M.D. is a hematology & oncology physician with a practice address in Sioux Falls, South Dakota, and NPI 1437155140, issued on Jun 27, 2005. Check the license (South Dakota 4451, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Miroslaw A. Mazurczak
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 4451 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1309 W 17TH St, Sioux Falls, SD 57104
- Phone
- (605) 328-8000
- Enumerated
- Jun 27, 2005
- Record last updated
- Mar 25, 2022
- Fax
- (605) 328-8001
- Medicaid ID
- 6003705 SD
- Medicare enrollment
- Enrolled (PECOS I20150508000409); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 31 in South Dakota → Look up another NPI →
Also registered at 1309 W 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Bleeker, MDHematology & Oncology Physician1457573974
- Joseph Driewer, PHDRadiological Physics Physician1376499038
- Laurie Gromer, CNPNurse Practitioner1851361216
- Susan Halbritter, CNPNurse Practitioner1295788271
- Kimberly Hamer, DNP, CNP, FNP-CNurse Practitioner1497127005
- Ashley Heupel, CNPAcute Care Nurse Practitioner1316829534
Verify Miroslaw A. Mazurczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 4451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average hematology & oncology physician in 2024
971 Medicare Part D claims for 210 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 23 claims were for opioids.
Most prescribed
- Dexamethasone132 claims
- Anastrozole95 claims
- Acyclovir64 claims
- Tamoxifen Citrate64 claims
- Prednisone54 claims
- Prochlorperazine Maleate51 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): 76.7 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).
Industry payments in 2024: $290.93
4 payments; by number, the most common kind was food and beverage; the largest payer was Adc Therapeutics America, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Sanford Health NetworkWorthington, MN
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Miroslaw A. Mazurczak among 31 hematology & oncology physician records in South Dakota
Miroslaw A. Mazurczak, M.D. is one of 31 hematology & oncology physician records with a practice address in South Dakota. 87% 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, 77% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1984 · median 2007 among the 21 with a school on file
- Record last updated2022 · 71% 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 South Dakota 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 South Dakota
There are 31 hematology & oncology physician records in South Dakota.
All 31 in South Dakota → Every provider in Sioux Falls → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Jonathan Bleeker, MDSioux Falls, SD 571041457573974
- Keely Hack, M.D.Sioux Falls, SD 571041184743148
- Michael Keppen, M.D.Sioux Falls, SD 571041881690592
- Robert Nelimark, M.D.Sioux Falls, SD 571041669478376
- Steven Powell, M.D.Sioux Falls, SD 571041548454291
- Amy Sanford, M.D.Sioux Falls, SD 571041679708283
- Travis Snyders, M.D.Sioux Falls, SD 571041588013643
- Christopher Sumey, M.D.Sioux Falls, SD 571041588836548
Common questions
What is Miroslaw A. Mazurczak, M.D.'s NPI number?
Miroslaw A. Mazurczak, M.D.'s National Provider Identifier (NPI) is 1437155140, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Miroslaw A. Mazurczak, M.D. located?
The NPPES record lists a practice address at 1309 W 17TH St, Sioux Falls, SD, 57104. Phone: (605) 328-8000. Providers update this record themselves, so call before visiting.
How can I verify Miroslaw A. Mazurczak, M.D.'s license?
NPPES lists South Dakota license number 4451, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Miroslaw A. Mazurczak, M.D. prescribe under Medicare Part D?
In 2024, Miroslaw A. Mazurczak, M.D. had 971 Medicare Part D claims for 210 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Miroslaw A. Mazurczak, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.7 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.