Maria Stys, MD
Cardiovascular Disease Physician · Sioux Falls, SD
Maria Stys, MD is a cardiovascular disease physician with a practice address in Sioux Falls, South Dakota, and NPI 1740493964, issued on May 7, 2007. Check the license (South Dakota 4216, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Maria Stys
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 4216 SD
MD-42374 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1305 W 18TH St, Sioux Falls, SD 57105
- Phone
- (605) 328-2929
- Enumerated
- May 7, 2007
- Record last updated
- Sep 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20160118000868); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 45 in South Dakota → Look up another NPI →
Also registered at 1305 W 18TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Unknown AbubakarStudent in an Organized Health Care Education/Training Program1235020959
- Mamoon AhmedHospitalist Physician1679184360
- Sameer Ahmed, MDHospitalist Physician1619549292
- Swetha Alapati, MDHospitalist Physician1982051421
- Joseph Alex, MDEmergency Medicine Physician1407484819
Verify Maria Stys 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 4216Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,549 Medicare Part D claims for 819 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate586 claims
- Eliquis337 claims
- Furosemide261 claims
- Atorvastatin Calcium248 claims
- Rosuvastatin Calcium222 claims
- Spironolactone195 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: $143.61
7 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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 ClinicRock Rapids, IA
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Stys among 45 cardiovascular disease physician records in South Dakota
Maria Stys, MD is one of 45 cardiovascular disease physician records with a practice address in South Dakota. 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 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 31% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1992 · median 1996 among the 30 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in South Dakota
There are 45 cardiovascular disease physician records in South Dakota.
All 45 in South Dakota → Every provider in Sioux Falls → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Udit Bhatnagar, MDSioux Falls, SD 571051386087963
- Donald Bishop, MDSioux Falls, SD 571051447304076
- Richard Clark, M.D.Sioux Falls, SD 571051457466617
- Riaz Mahmood, DOSioux Falls, SD 571051184184061
- James Olson, MDSioux Falls, SD 571051649219601
- Naveen Rajpurohit, M.D.Sioux Falls, SD 571051235369950
- Mahmoud Sharaf, M.D.Sioux Falls, SD 571051356677447
- Mary SlatterySioux Falls, SD 571051548685050
Common questions
What is Maria Stys, MD's NPI number?
Maria Stys, MD's National Provider Identifier (NPI) is 1740493964, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maria Stys, MD located?
The NPPES record lists a practice address at 1305 W 18TH St, Sioux Falls, SD, 57105. Phone: (605) 328-2929. Providers update this record themselves, so call before visiting.
How can I verify Maria Stys, MD's license?
NPPES lists South Dakota license number 4216, 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 Maria Stys, MD prescribe under Medicare Part D?
In 2024, Maria Stys, MD had 3,549 Medicare Part D claims for 819 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Maria Stys, MD'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.