Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Maria Stys, MD

Individual provider Cardiovascular Disease Physician · NPI 1740493964

Maria Stys, MD is a Cardiovascular Disease (Cardiology) in Sioux Falls, South Dakota. Qualified in 1992, 34 years ago. Practices with Sanford Clinic, a 273-clinician group and accepts Medicare assignment. Licensed in Iowa and South Dakota.

Years since qualifying
34
Licensed in
IA, SD
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1305 W 18th St
Sioux Falls, SD 57105-0401
Phone: (605) 328-2929
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 4216 (SD)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD-42374 (IA)

Record details

NPI number1740493964
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 7, 2007
Last updated in NPPESSeptember 12, 2025
Certification dateSeptember 12, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Sanford Clinic — 273 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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