Doctor profile · Federal record
Dr. Marcus Sepnafski, MD
Hospitalist Physician (CMS: Hospitalist) · Weston, WI
- NPI 1356906754
- Accepts Medicare
- MIPS 76.2 / 100 · 2023
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3400 Ministry Pkwy
Weston, WI 544765220
(715) 393-1000 - Additional location
-
50 E Canfield St
Detroit, MI 482011804
(313) 745-4525
Credentials & registration
- NPI registered
- May 2019 — 7 yrs on file
- Profile last updated
- December 7, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Wisconsin #76812
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356906754. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
589
Distinct HCPCS
6
Medicare allowed
$54,939
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 285 | 113 | $74 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 110 | 47 | $112 | |
99239 |
Hospital discharge day management, more than 30 minutes | 87 | 85 | $107 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 43 | 43 | $163 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 35 | 14 | $46 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 29 | $122 |
In context: peer comparison
Among 6 peers in Weston Hospitalist Physician, average services per provider: 92. This provider delivers 6.4× the peer median.Open Payments
Industry payments received
All-time total
$58
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abiomed | 1 | $57.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
260
Patients
65
Total drug cost
$17,611
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 36 | 22 | $282 |
| Pantoprazole Sodium | Generic | 31 | 17 | $357 |
| Hydralazine Hcl | Generic | 24 | 0 | $788 |
| Metoprolol Succinate | Generic | 21 | 14 | $426 |
| Eliquis (Apixaban) | Brand | 19 | 0 | $13,614 |
| Hydrochlorothiazide | Generic | 16 | 0 | $70 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 15 | 0 | $446 |
| Lisinopril | Generic | 14 | 0 | $131 |
| Losartan Potassium | Generic | 13 | 0 | $131 |
| Metoprolol Tartrate | Generic | 13 | 0 | $51 |
Frequently asked questions
What is Dr. Marcus Sepnafski's medical specialty?
Dr. Marcus Sepnafski practices Hospitalist Physician in Weston, WI.
Where does Dr. Marcus Sepnafski practice?
Dr. Marcus Sepnafski practices at 3400 Ministry Pkwy, Weston, WI 544765220. Office phone: 7153931000.
What is Dr. Marcus Sepnafski's NPI?
Dr. Marcus Sepnafski's National Provider Identifier (NPI) is 1356906754, issued by NPPES.
Does Dr. Marcus Sepnafski accept Medicare assignment?
Yes. Dr. Marcus Sepnafski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcus Sepnafski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.