Physician Profile
Chijoke H. Onyenwenyi, MD
Unclaimed ProfileWhere to find Chijoke H. Onyenwenyi, MD
- Evergreen Park location main office
9125 S Pulaski Rd, Evergreen Park, IL 60805 - Practice location
16605 107th St, Orland Park, IL 60467 - Practice location
4400 W 95th St Ste 112, Oak Lawn, IL 60453
About Dr. Onyenwenyi
Chijoke H. Onyenwenyi, MD practices nephrology in Evergreen Park, IL. Chijoke is also listed as specializing in internal medicine. Medicare claims data shows Chijoke provided 2,410 services to 1,273 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'. The provider's National Provider Identifier (NPI) is 1285941153.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (708) 422-7715
- Email not available
Practice Locations
9125 S PULASKI RD
Evergreen Park, IL 60805
16605 107th St
Orland Park, IL 60467
4400 W 95th St Ste 112
Oak Lawn, IL 60453
Conditions Commonly Evaluated or Treated
Within Nephrology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
2,410 services · 1,273 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
57 | As often as other peers in Nephrology |
| Insertion of tube into chest or arm artery, each first order branch | Procedure | 36215 |
26 | As often as other peers in Nephrology |
| Insertion of needle and/or tube into hemodialysis circuit with review by radiologist | Procedure | 36901 |
15 | Less often than most peers in Nephrology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
15 | Less often than most peers in Nephrology |
| Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube | Procedure | 36905 |
13 | Less often than most peers in Nephrology |
| Replacement of tunneled central venous tube | Procedure | 36581 |
13 | Less often than most peers in Nephrology |
| Review by radiologist of arm or leg artery image | Imaging | 75710 |
45 | As often as other peers in Nephrology |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
16 | Less often than most peers in Nephrology |
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
178 | More often than most peers in Nephrology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
46 | As often as other peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other kidney specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other kidney specialists in Evergreen Park 2
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 6
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Onyenwenyi's specialty?
Dr. Onyenwenyi is a kidney specialist in Evergreen Park, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Where can I find Dr. Onyenwenyi?
Dr. Onyenwenyi is listed at 9125 S Pulaski Rd, Evergreen Park, IL 60805. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Onyenwenyi?
The number on file is (708) 422-7715. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Onyenwenyi?
Dr. Onyenwenyi's National Provider Identifier is 1285941153. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Onyenwenyi's medical education?
Dr. Onyenwenyi attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Onyenwenyi have?
Dr. Onyenwenyi has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Onyenwenyi known for?
According to Medicare billing data, Dr. Onyenwenyi performs procedures including insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist, insertion of tube into chest or arm artery, each first order branch and insertion of needle and/or tube into hemodialysis circuit with review by radiologist; reads or performs imaging such as review by radiologist of arm or leg artery image and fluoroscopic guidance for insertion or removal of central vein access device; provides treatments such as dialysis services, 4 or more physician visits per month and use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Onyenwenyi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Onyenwenyi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.