Doctor profile · Federal record
Dr. Obinna Obiekezie, M.D.
Critical Care Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Barrington, IL
- NPI 1861844201
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 16 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
450 W Highway 22 Ste Aip
Barrington, IL 600101919
(708) 283-5500 - Additional location
-
1775 Dempster St
Park Ridge, IL 600681143
(216) 861-6200
fax (847) 723-2210 - Mailing address
-
2568 Greenlefe Dr
Beavercreek, OH 454318600
Credentials & registration
- NPI registered
- July 2016 — 10 yrs on file
- Profile last updated
- December 28, 2025
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State licenses (2)
- Illinois #036.163331 · Ohio #35.134912
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861844201. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
420
Distinct HCPCS
5
Medicare allowed
$38,355
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 218 | 102 | $76 | |
99239 |
Hospital discharge day management, more than 30 minutes | 74 | 73 | $110 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 67 | 40 | $115 | |
99238 |
Hospital discharge day management, 30 minutes or less | 36 | 35 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $121 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 93. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
144
Patients
60
Total drug cost
$15,822
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 23 | 0 | $13,131 |
| Cefdinir | Generic | 21 | 21 | $170 |
| Furosemide | Generic | 18 | 15 | $47 |
| Pantoprazole Sodium | Generic | 18 | 11 | $165 |
| Prednisone | Generic | 14 | 13 | $35 |
| Lisinopril | Generic | 13 | 0 | $27 |
| Metoprolol Succinate | Generic | 13 | 0 | $59 |
| Metoprolol Tartrate | Generic | 13 | 0 | $54 |
| Vancomycin Hcl | Generic | 11 | 0 | $2,132 |
Hospital affiliations
Frequently asked questions
What is Dr. Obinna Obiekezie's medical specialty?
Dr. Obinna Obiekezie practices Critical Care Medicine (Internal Medicine) Physician in Barrington, IL.
Where does Dr. Obinna Obiekezie practice?
Dr. Obinna Obiekezie practices at 450 W Highway 22 Ste Aip, Barrington, IL 600101919. Office phone: 7082835500.
What is Dr. Obinna Obiekezie's NPI?
Dr. Obinna Obiekezie's National Provider Identifier (NPI) is 1861844201, issued by NPPES.
Does Dr. Obinna Obiekezie accept Medicare assignment?
Yes. Dr. Obinna Obiekezie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Obinna Obiekezie commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.