Doctor profile · Federal record
Dr. Elizabeth Regan, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Oak Lawn, IL
- NPI 1417362542
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4440 W 95Th St
Oak Lawn, IL 604532600
(708) 684-5375
fax (708) 684-1028 - Mailing address
-
29373 Network Pl
Chicago, IL 606731293
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- May 5, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Illinois #036-143387
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417362542. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
188
Distinct HCPCS
3
Medicare allowed
$34,156
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 129 | 128 | $187 | |
99284 |
Emergency department visit with moderate level of medical decision making | 35 | 35 | $129 | |
99291 |
Critical care, first 30-74 minutes | 24 | 24 | $227 |
In context: peer comparison
Among 49 peers in Oak Lawn Emergency Medicine Physician, average services per provider: 79. This provider delivers 2.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
12
Total drug cost
$53
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $53 |
Hospital affiliations
Frequently asked questions
What is Dr. Elizabeth Regan's medical specialty?
Dr. Elizabeth Regan practices Emergency Medicine Physician in Oak Lawn, IL.
Where does Dr. Elizabeth Regan practice?
Dr. Elizabeth Regan practices at 4440 W 95Th St, Oak Lawn, IL 604532600. Office phone: 7086845375.
What is Dr. Elizabeth Regan's NPI?
Dr. Elizabeth Regan's National Provider Identifier (NPI) is 1417362542, issued by NPPES.
Does Dr. Elizabeth Regan accept Medicare assignment?
Yes. Dr. Elizabeth Regan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Regan 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.