Doctor profile · Federal record
Dr. Ellen Stephen, MD
Allergy & Immunology (Internal Medicine) Physician · Internal Medicine Physician · Chicago, IL
- NPI 1225521776
- 8 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1725 W Harrison St Ste 117
Chicago, IL 606123848
(312) 942-6296
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- August 9, 2021
- Specialty taxonomy
- 207RA0201X — NUCC code
- State licenses (2)
- Illinois #036.155856 · Illinois #125.072452
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225521776. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,830
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $141 |
In context: peer comparison
Among 3 peers in Chicago Allergy & Immunology (Internal Medicine) Physician, average services per provider: 39. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
28
Patients
0
Total drug cost
$443
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azelastine Hcl | Generic | 16 | 0 | $326 |
| Fluticasone Propionate | Generic | 12 | 0 | $117 |
Frequently asked questions
What is Dr. Ellen Stephen's medical specialty?
Dr. Ellen Stephen practices Allergy & Immunology (Internal Medicine) Physician in Chicago, IL.
Where does Dr. Ellen Stephen practice?
Dr. Ellen Stephen practices at 1725 W Harrison St Ste 117, Chicago, IL 606123848. Office phone: 3129426296.
What is Dr. Ellen Stephen's NPI?
Dr. Ellen Stephen's National Provider Identifier (NPI) is 1225521776, issued by NPPES.
What procedures does Dr. Ellen Stephen commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.