Doctor profile · Federal record
Dr. William Maloney, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Milwaukee, WI
- NPI 1609810548
- Accepts Medicare
- 38 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
111 E Wisconsin Ave
Milwaukee, WI 532024815
(414) 290-6720
fax (414) 290-6755 - Additional location
-
16 Canterbury CT
Wilmette, IL 600912822
(847) 970-8631
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 22, 2021
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Wisconsin #37105-020 · Illinois #036-081099
- Medicaid (2)
- WI #33269400 · IL #036081099
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609810548. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
792
Distinct HCPCS
4
Medicare allowed
$121,420
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 371 | 304 | $182 | |
99284 |
Emergency department visit with moderate level of medical decision making | 338 | 298 | $124 | |
99283 |
Emergency department visit with low level of medical decision making | 43 | 41 | $75 | |
99291 |
Critical care, first 30-74 minutes | 40 | 40 | $217 |
In context: peer comparison
Among 117 peers in Milwaukee Emergency Medicine Physician, average services per provider: 82. This provider delivers 9.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
399
Patients
379
Total drug cost
$2,957
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 117 | 104 | $724 |
| Methylprednisolone | Generic | 43 | 41 | $525 |
| Cephalexin | Generic | 41 | 41 | $298 |
| Tramadol Hcl | Generic | 39 | 38 | $97 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 38 | 37 | $482 |
| Azithromycin | Generic | 37 | 34 | $277 |
| Cyclobenzaprine Hcl | Generic | 24 | 24 | $108 |
| Ondansetron Odt (Ondansetron) | Brand | 21 | 21 | $99 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 16 | 16 | $291 |
| Meclizine Hcl | Generic | 12 | 12 | $34 |
Frequently asked questions
What is Dr. William Maloney's medical specialty?
Dr. William Maloney practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. William Maloney practice?
Dr. William Maloney practices at 111 E Wisconsin Ave, Milwaukee, WI 532024815. Office phone: 4142906720.
What is Dr. William Maloney's NPI?
Dr. William Maloney's National Provider Identifier (NPI) is 1609810548, issued by NPPES.
Does Dr. William Maloney accept Medicare assignment?
Yes. Dr. William Maloney accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Maloney commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.