Doctor profile · Federal record
Dr. Mark Polentini, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Oconomowoc, WI
- NPI 1699752030
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1284 N Summit Ave
Oconomowoc, WI 530664459
(262) 569-3080 - Additional location
-
2900 W Oklahoma
Milwaukee, WI 53215
(414) 649-7299
fax (770) 237-1723 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- December 29, 2025
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Wisconsin #45242-020
- Medicaid
- WI #34590000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699752030. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
342
Distinct HCPCS
6
Medicare allowed
$50,123
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 201 | 198 | $163 | |
99291 |
Critical care, first 30-74 minutes | 53 | 52 | $198 | |
99284 |
Emergency department visit with moderate level of medical decision making | 41 | 41 | $112 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 19 | 19 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 16 | 16 | $66 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $85 |
In context: peer comparison
Among 2 peers in Oconomowoc Emergency Medicine Physician, average services per provider: 35. This provider delivers 9.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
94
Patients
94
Total drug cost
$1,520
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 29 | 29 | $941 |
| Doxycycline Hyclate | Generic | 22 | 22 | $439 |
| Methocarbamol | Generic | 17 | 17 | $42 |
| Prednisone | Generic | 14 | 14 | $41 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $57 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Polentini's medical specialty?
Dr. Mark Polentini practices Emergency Medicine Physician in Oconomowoc, WI.
Where does Dr. Mark Polentini practice?
Dr. Mark Polentini practices at 1284 N Summit Ave, Oconomowoc, WI 530664459. Office phone: 2625693080.
What is Dr. Mark Polentini's NPI?
Dr. Mark Polentini's National Provider Identifier (NPI) is 1699752030, issued by NPPES.
Does Dr. Mark Polentini accept Medicare assignment?
Yes. Dr. Mark Polentini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Polentini commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.