Doctor profile · Federal record
Dr. Osezua Olear
Nephrology Physician (CMS: Nephrology) · Oak Lawn, IL
- NPI 1346650249
- Accepts Medicare
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4457 Southwest Highway, Suite 201
Oak Lawn, IL 60453
(708) 598-2448
fax (708) 827-5419 - Mailing address
-
Po Box 3877
Joliet, IL 604343877
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- March 19, 2024
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Illinois #036149908
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346650249. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,758
Distinct HCPCS
10
Medicare allowed
$243,155
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,027 | 225 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 151 | 131 | $182 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 131 | 19 | $60 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 129 | 21 | $324 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 99 | 41 | $122 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 61 | 16 | $50 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 39 | 22 | $166 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 33 | 18 | $253 | |
90935 |
Hemodialysis procedure with physician evaluation | 26 | 22 | $76 | |
99291 |
Critical care, first 30-74 minutes | 24 | 24 | $221 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 241. This provider delivers 7.3× the peer median.Open Payments
Industry payments received
All-time total
$618
Transactions
26
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ANI Pharmaceuticals, Inc. | 4 | $113.79 | |
| Amgen Inc. | 4 | $105.91 | |
| Ardelyx, Inc. | 3 | $68.82 | |
| Vifor Pharma, Inc. | 2 | $62.55 | |
| Travere Therapeutics, Inc. | 3 | $62.21 | |
| Bayer Healthcare Pharmaceuticals Inc. | 2 | $42.61 | |
| AstraZeneca Pharmaceuticals LP | 2 | $42.42 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $41.98 | |
| Novartis Pharmaceuticals Corporation | 2 | $38.19 | |
| OPKO Pharmaceuticals, LLC | 1 | $20.61 | |
| Lilly USA, LLC | 1 | $19.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
376
Patients
71
Total drug cost
$68,516
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Allopurinol | Generic | 68 | 22 | $1,328 |
| Vitamin D2 (Ergocalciferol (Vitamin D2)) | Brand | 49 | 22 | $206 |
| Torsemide | Generic | 29 | 0 | $879 |
| Calcium Acetate | Generic | 27 | 14 | $2,442 |
| Sevelamer Carbonate | Generic | 27 | 13 | $2,671 |
| Furosemide | Generic | 25 | 0 | $85 |
| Calcitriol | Generic | 24 | 0 | $465 |
| Losartan Potassium | Generic | 21 | 0 | $105 |
| Lisinopril | Generic | 19 | 0 | $82 |
| Lanthanum Carbonate | Generic | 17 | 0 | $36,599 |
Hospital affiliations
Frequently asked questions
What is Dr. Osezua Olear's medical specialty?
Dr. Osezua Olear practices Nephrology Physician in Oak Lawn, IL.
Where does Dr. Osezua Olear practice?
Dr. Osezua Olear practices at 4457 Southwest Highway, Oak Lawn, IL 60453. Office phone: 7085982448.
What is Dr. Osezua Olear's NPI?
Dr. Osezua Olear's National Provider Identifier (NPI) is 1346650249, issued by NPPES.
Does Dr. Osezua Olear accept Medicare assignment?
Yes. Dr. Osezua Olear accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Osezua Olear commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.