Doctor profile · Federal record
Dr. Anthony Niezyniecki, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Milwaukee, WI
- NPI 1104864842
- Accepts Medicare
- 33 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
111 E Wisconsin Ave
Milwaukee, WI 532024815
(414) 290-6720
fax (414) 290-6755
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- January 30, 2009
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Wisconsin #38776-020 · Illinois #036-094801
- Medicaid
- WI #32353600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104864842. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
279
Distinct HCPCS
4
Medicare allowed
$31,022
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 119 | 113 | $120 | |
99285 |
Emergency department visit with high level of medical decision making | 84 | 84 | $176 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 55 | 55 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 21 | 21 | $72 |
In context: peer comparison
Among 117 peers in Milwaukee Emergency Medicine Physician, average services per provider: 82. This provider delivers 3.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
125
Patients
123
Total drug cost
$687
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 41 | 41 | $195 |
| Prednisone | Generic | 33 | 32 | $75 |
| Azithromycin | Generic | 29 | 28 | $197 |
| Doxycycline Hyclate | Generic | 11 | 11 | $153 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $68 |
Hospital affiliations
Frequently asked questions
What is Dr. Anthony Niezyniecki's medical specialty?
Dr. Anthony Niezyniecki practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. Anthony Niezyniecki practice?
Dr. Anthony Niezyniecki practices at 111 E Wisconsin Ave, Milwaukee, WI 532024815. Office phone: 4142906720.
What is Dr. Anthony Niezyniecki's NPI?
Dr. Anthony Niezyniecki's National Provider Identifier (NPI) is 1104864842, issued by NPPES.
Does Dr. Anthony Niezyniecki accept Medicare assignment?
Yes. Dr. Anthony Niezyniecki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Niezyniecki commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); 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). Source: CMS Medicare Physician & Other Practitioners file.