Doctor profile · Federal record
Dr. Michael Rentz, MD, MPH
Emergency Medicine Physician (CMS: Emergency Medicine) · Milwaukee, WI
- NPI 1255996872
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 955-6450
fax (414) 955-0082
Credentials & registration
- NPI registered
- May 2019 — 7 yrs on file
- Profile last updated
- July 21, 2023
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Wisconsin #80122-20
- Medicaid
- WI #1255996872
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255996872. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
447
Distinct HCPCS
5
Medicare allowed
$44,642
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 156 | 153 | $163 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 134 | 100 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 127 | 126 | $112 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $66 | |
99291 |
Critical care, first 30-74 minutes | 15 | 15 | $198 |
In context: peer comparison
Among 117 peers in this city , average services per provider: 82. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Actelion Pharmaceuticals US, Inc. | 1 | $124.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
42
Total drug cost
$419
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 14 | 14 | $271 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 14 | $43 |
| Ondansetron Odt (Ondansetron) | Brand | 14 | 14 | $105 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Rentz's medical specialty?
Dr. Michael Rentz practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. Michael Rentz practice?
Dr. Michael Rentz practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4149556450.
What is Dr. Michael Rentz's NPI?
Dr. Michael Rentz's National Provider Identifier (NPI) is 1255996872, issued by NPPES.
Does Dr. Michael Rentz accept Medicare assignment?
Yes. Dr. Michael Rentz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Rentz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.