Doctor profile · Federal record
Dr. Mary Tosiou, M.D.
Emergency Medicine Physician · Emergency Medicine Physician · Berwyn, IL
- NPI 1801811294
- MIPS 98.4 / 100 · 2023
- 20 yrs on file
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3249 Oak Park Ave
Berwyn, IL 604023429
(708) 783-9100 - Mailing address
-
75 Remit Drive, Lockbox 1209
Chicago, IL 606751209
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 9, 2008
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Illinois #036-103005 · Michigan #4301069892
- Medicaid
- IL #036103005
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801811294. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
391
Distinct HCPCS
4
Medicare allowed
$44,279
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 163 | 154 | $191 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 161 | 142 | $9 | |
99284 |
Emergency department visit with moderate level of medical decision making | 36 | 36 | $131 | |
99291 |
Critical care, first 30-74 minutes | 31 | 31 | $229 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 104. This provider delivers 3.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
14
Total drug cost
$42
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 14 | $42 |
Frequently asked questions
What is Dr. Mary Tosiou's medical specialty?
Dr. Mary Tosiou practices Emergency Medicine Physician in Berwyn, IL.
Where does Dr. Mary Tosiou practice?
Dr. Mary Tosiou practices at 3249 Oak Park Ave, Berwyn, IL 604023429. Office phone: 7087839100.
What is Dr. Mary Tosiou's NPI?
Dr. Mary Tosiou's National Provider Identifier (NPI) is 1801811294, issued by NPPES.
What procedures does Dr. Mary Tosiou 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.