Provider Profile
Okwudili Nnaji, M D
Unclaimed ProfileAbout Okwudili Nnaji
Based in Brooklyn, NY, Okwudili Nnaji, M D is listed in the NPI registry under nephrology. Medicare claims data shows Okwudili provided 257 services to 145 patients. The services billed most often include hemodialysis procedure with physician evaluation, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1912144403 identifies this record in the national registry.
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
- (718) 270-2848
- Email not available
Practice Locations
450 CLARKSON AVE
Brooklyn, NY 11203
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
257 services · 145 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
119 | More often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
68 | Less often than most peers in Nephrology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
28 | As often as other peers in Nephrology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
19 | Less often than most 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Brooklyn 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Hemodialysis procedure with physician evaluation 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Okwudili Nnaji?
Okwudili Nnaji is a kidney specialist in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Okwudili Nnaji's address?
Okwudili Nnaji is listed at 450 Clarkson Ave, Brooklyn, NY 11203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Okwudili Nnaji?
The number on file is (718) 270-2848. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Okwudili Nnaji?
Okwudili Nnaji's National Provider Identifier is 1912144403. 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
Where did Okwudili Nnaji train?
Okwudili Nnaji attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Okwudili Nnaji have?
Okwudili Nnaji has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Okwudili Nnaji perform?
According to Medicare billing data, Okwudili Nnaji provides treatments such as hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Okwudili Nnaji's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Okwudili Nnaji. If this is you, claiming it is free.
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