Doctor profile · Federal record
Dr. David Maziarz, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Specialist · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Sioux Falls, SD
- NPI 1265643985
- Accepts Medicare
- MIPS 78.0 / 100 · 2023
- 27 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1301 W 18Th St
Sioux Falls, SD 571050401
(605) 312-2100
fax (605) 312-2101 - Mailing address
-
Po Box 5074
Sioux Falls, SD 571175074
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- July 12, 2022
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State licenses (3)
- South Dakota #8762 · Tennessee #42677 · South Carolina #31426
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265643985. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
144
Distinct HCPCS
7
Medicare allowed
$60,834
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 29 | $124 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $127 | |
33361 |
Replacement of aortic valve through the skin and femoral artery | 22 | 22 | $668 | |
33508 |
Harvest of vein using an endoscope | 21 | 21 | $14 | |
33533 |
Coronary artery bypass using artery graft, 1 graft | 20 | 20 | $1,601 | |
33518 |
Coronary artery bypass using vein or artery graft, 2 grafts | 13 | 13 | $361 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $172 |
In context: peer comparison
Among 2 peers in Sioux Falls Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 52. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$313
Transactions
10
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Getinge USA Sales, LLC | 1 | $109.87 | |
| Abiomed | 3 | $76.71 | |
| Smith+Nephew, INC. | 1 | $33.70 | |
| Lsi Solutions INC | 1 | $25.91 | |
| Boston Scientific Corporation | 1 | $20.05 | |
| Ethicon US, LLC | 1 | $16.73 | |
| Amgen INC. | 1 | $16.38 | |
| Janssen Pharmaceuticals, INC | 1 | $13.49 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. David Maziarz's medical specialty?
Dr. David Maziarz practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Sioux Falls, SD.
Where does Dr. David Maziarz practice?
Dr. David Maziarz practices at 1301 W 18Th St, Sioux Falls, SD 571050401. Office phone: 6053122100.
What is Dr. David Maziarz's NPI?
Dr. David Maziarz's National Provider Identifier (NPI) is 1265643985, issued by NPPES.
Does Dr. David Maziarz accept Medicare assignment?
Yes. Dr. David Maziarz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Maziarz commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); New patient office or other outpatient visit (HCPCS 99204); Replacement of aortic valve through the skin and femoral artery (HCPCS 33361). Source: CMS Medicare Physician & Other Practitioners file.