Doctor profile · Federal record
Dr. Theresa Ronan, M.D.
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Chicago, IL
- NPI 1669636288
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
251 E Huron St Ste 16-738
Chicago, IL 606112908
(312) 926-5924
fax (312) 926-6134
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- June 10, 2017
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (3)
- Illinois #036140910 · Illinois #125054498 · New Mexico #MD20110137
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669636288. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
52
Distinct HCPCS
2
Medicare allowed
$8,049
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 32 | $171 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 20 | $129 |
In context: peer comparison
Among 154 peers in this city , average services per provider: 128. This provider delivers 0.4× the peer median.Frequently asked questions
What is Dr. Theresa Ronan's medical specialty?
Dr. Theresa Ronan practices Hospitalist Physician in Chicago, IL.
Where does Dr. Theresa Ronan practice?
Dr. Theresa Ronan practices at 251 E Huron St Ste 16-738, Chicago, IL 606112908. Office phone: 3129265924.
What is Dr. Theresa Ronan's NPI?
Dr. Theresa Ronan's National Provider Identifier (NPI) is 1669636288, issued by NPPES.
Does Dr. Theresa Ronan accept Medicare assignment?
Yes. Dr. Theresa Ronan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Ronan commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.