Doctor profile · Federal record
Dr. Nathalie Antonios, MD
Pulmonary Disease Physician · Critical Care Medicine (Internal Medicine) Physician · Hospitalist Physician · Chicago, IL
- NPI 1902301138
- MIPS 91.3 / 100 · 2023
- 8 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5841 S Maryland Ave
Chicago, IL 606371443
(773) 702-1000 - Additional location
-
1000 N Westmoreland RD
Lake Forest, IL 600451658
(847) 234-5600
fax (847) 535-7203 - Mailing address
-
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- February 6, 2026
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Illinois #036156686
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902301138. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
93
Distinct HCPCS
5
Medicare allowed
$10,139
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 28 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $126 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 12 | $114 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $166 | |
99239 |
Hospital discharge day management, more than 30 minutes | 13 | 13 | $110 |
In context: peer comparison
Among 66 peers in this city , average services per provider: 90. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$200
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $200.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
54
Patients
0
Total drug cost
$14,941
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 19 | 0 | $320 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 13 | 0 | $6,620 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 11 | 0 | $379 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 11 | 0 | $7,622 |
Frequently asked questions
What is Dr. Nathalie Antonios's medical specialty?
Dr. Nathalie Antonios practices Pulmonary Disease Physician in Chicago, IL.
Where does Dr. Nathalie Antonios practice?
Dr. Nathalie Antonios practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 7737021000.
What is Dr. Nathalie Antonios's NPI?
Dr. Nathalie Antonios's National Provider Identifier (NPI) is 1902301138, issued by NPPES.
What procedures does Dr. Nathalie Antonios commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.