Doctor profile · Federal record
Dr. Ofelia Ionescu, MD
Psychiatry Physician (CMS: Psychiatry) · Chicago, IL
- NPI 1689716953
- Accepts Medicare
- 42 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4700 N Marine Dr Ste 6200
Chicago, IL 606407972
(773) 551-2493
fax (773) 293-7942 - Mailing address
-
900 N Kingsbury St Apt 1101
Chicago, IL 606107450
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- October 7, 2025
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Illinois #036102819
- Medicaid
- IL #036102819
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689716953. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
600
Distinct HCPCS
6
Medicare allowed
$76,646
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 244 | 39 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 186 | 48 | $128 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 78 | 39 | $111 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 41 | 39 | $177 | |
99238 |
Hospital discharge day management, 30 minutes or less | 28 | 25 | $84 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 21 | $182 |
In context: peer comparison
Among 81 peers in Chicago Psychiatry Physician, average services per provider: 102. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,906
Patients
235
Total drug cost
$38,487
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mirtazapine | Generic | 341 | 54 | $10,112 |
| Clonazepam | Generic | 272 | 31 | $2,502 |
| Risperidone | Generic | 186 | 27 | $3,945 |
| Quetiapine Fumarate | Generic | 134 | 21 | $3,241 |
| Duloxetine Hcl | Generic | 125 | 15 | $4,311 |
| Divalproex Sodium | Generic | 111 | 0 | $2,518 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 106 | 16 | $1,932 |
| Escitalopram Oxalate | Generic | 98 | 19 | $1,104 |
| Lorazepam | Generic | 84 | 0 | $723 |
| Alprazolam | Generic | 83 | 13 | $659 |
Frequently asked questions
What is Dr. Ofelia Ionescu's medical specialty?
Dr. Ofelia Ionescu practices Psychiatry Physician in Chicago, IL.
Where does Dr. Ofelia Ionescu practice?
Dr. Ofelia Ionescu practices at 4700 N Marine Dr Ste 6200, Chicago, IL 606407972. Office phone: 7735512493.
What is Dr. Ofelia Ionescu's NPI?
Dr. Ofelia Ionescu's National Provider Identifier (NPI) is 1689716953, issued by NPPES.
Does Dr. Ofelia Ionescu accept Medicare assignment?
Yes. Dr. Ofelia Ionescu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ofelia Ionescu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.