Doctor profile · Federal record
Dr. Maria Stys, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Sioux Falls, SD
- NPI 1740493964
- Accepts Medicare
- MIPS 76.7 / 100 · 2023
- 34 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1305 W 18Th St
Sioux Falls, SD 571050401
(605) 328-2929 - Mailing address
-
Po Box 5074
Sioux Falls, SD 571175074
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- September 12, 2025
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State licenses (2)
- South Dakota #4216 · Iowa #MD-42374
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740493964. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,963
Distinct HCPCS
10
Medicare allowed
$111,473
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 417 | 358 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 240 | 197 | $95 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 163 | 76 | $29 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 157 | 157 | $14 | |
93016 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 150 | 150 | $21 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 150 | 135 | $64 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 129 | 83 | $77 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 99 | 99 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 79 | 70 | $88 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 71 | 66 | $126 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 99. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$144
Transactions
7
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 5 | $93.46 | |
| ABIOMED | 1 | $31.59 | |
| Alnylam Pharmaceuticals Inc. | 1 | $18.56 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,928
Patients
735
Total drug cost
$399,950
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 429 | 163 | $7,645 |
| Eliquis (Apixaban) | Brand | 263 | 61 | $245,885 |
| Atorvastatin Calcium | Generic | 180 | 87 | $2,469 |
| Furosemide | Generic | 163 | 74 | $812 |
| Rosuvastatin Calcium | Generic | 127 | 54 | $2,104 |
| Losartan Potassium | Generic | 126 | 49 | $1,170 |
| Spironolactone | Generic | 122 | 48 | $1,007 |
| Xarelto (Rivaroxaban) | Brand | 122 | 32 | $131,854 |
| Metoprolol Tartrate | Generic | 78 | 38 | $537 |
| Warfarin Sodium | Generic | 65 | 22 | $563 |
Hospital affiliations
Frequently asked questions
What is Dr. Maria Stys's medical specialty?
Dr. Maria Stys practices Cardiovascular Disease Physician in Sioux Falls, SD.
Where does Dr. Maria Stys practice?
Dr. Maria Stys practices at 1305 W 18Th St, Sioux Falls, SD 571050401. Office phone: 6053282929.
What is Dr. Maria Stys's NPI?
Dr. Maria Stys's National Provider Identifier (NPI) is 1740493964, issued by NPPES.
Does Dr. Maria Stys accept Medicare assignment?
Yes. Dr. Maria Stys accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Stys commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS 93294). Source: CMS Medicare Physician & Other Practitioners file.