Doctor profile · Federal record
Dr. Stephen Kwan, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Marshfield, WI
- NPI 1518052356
- Accepts Medicare
- MIPS 22.1 / 100 · 2023
- 39 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511 - Additional location
-
1758 Park Pl, Suite 202
Montgomery, AL 361061127
(334) 264-7156
fax (334) 264-7681
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- May 21, 2024
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State licenses (2)
- Wisconsin #101680 · Alabama #23435
- Medicaid
- AL #000096693
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518052356. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
88
Distinct HCPCS
4
Medicare allowed
$48,083
| 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 | 30 | 30 | $122 | |
33533 |
Coronary artery bypass using artery graft, 1 graft | 25 | 25 | $1,377 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $125 | |
13160 |
Extensive or complicated repair of surface wound reopening | 12 | 12 | $613 |
In context: peer comparison
Among 2 peers in Marshfield Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 20. This provider delivers 4.4× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 1 | $14.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
455
Patients
230
Total drug cost
$32,845
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 75 | 49 | $874 |
| Furosemide | Generic | 73 | 48 | $261 |
| Amiodarone Hcl | Generic | 71 | 50 | $831 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 52 | 48 | $307 |
| Eliquis (Apixaban) | Brand | 51 | 19 | $28,982 |
| Metoprolol Succinate | Generic | 29 | 16 | $327 |
| Atorvastatin Calcium | Generic | 20 | 0 | $136 |
| Tamsulosin Hcl | Generic | 20 | 0 | $152 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 16 | 0 | $89 |
| Levofloxacin | Generic | 13 | 0 | $115 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Kwan's medical specialty?
Dr. Stephen Kwan practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Marshfield, WI.
Where does Dr. Stephen Kwan practice?
Dr. Stephen Kwan practices at 1000 N Oak Ave, Marshfield, WI 544495703. Office phone: 7153875511.
What is Dr. Stephen Kwan's NPI?
Dr. Stephen Kwan's National Provider Identifier (NPI) is 1518052356, issued by NPPES.
Does Dr. Stephen Kwan accept Medicare assignment?
Yes. Dr. Stephen Kwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Kwan commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.