Doctor profile · Federal record
Dr. Renee Marszalek, MD
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Summit, WI
- NPI 1730163445
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
36500 Aurora Dr
Summit, WI 530664899
(262) 434-5000 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- August 29, 2024
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Wisconsin #47293
- Medicaid
- WI #34574400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1730163445. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
164
Distinct HCPCS
1
Medicare allowed
$26,988
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 164 | 152 | $165 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 81. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Renee Marszalek's medical specialty?
Dr. Renee Marszalek practices Hospitalist Physician in Summit, WI.
Where does Dr. Renee Marszalek practice?
Dr. Renee Marszalek practices at 36500 Aurora Dr, Summit, WI 530664899. Office phone: 2624345000.
What is Dr. Renee Marszalek's NPI?
Dr. Renee Marszalek's National Provider Identifier (NPI) is 1730163445, issued by NPPES.
Does Dr. Renee Marszalek accept Medicare assignment?
Yes. Dr. Renee Marszalek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Renee Marszalek commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.