Chidinma Ekenna, M.D.
NPI 1659750743 · Nephrology Physician · Olympia Fields, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chidinma Ekenna, M.D. is a Nephrology Physician provider in Olympia Fields, IL (NPI 1659750743).
Provider details
- NPI number
- 1659750743
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036153267 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,724 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,075 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 234 | $176 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 126 | $102 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 111 | $37 |
| 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'SG2211 | 84 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 36 | 11 |
| Dapagliflozin Propanediolbrand: Farxiga | 33 | — |
| Sevelamer Carbonate | 31 | 13 |
| Hydralazine Hcl | 27 | — |
| Nifedipinebrand: Nifedipine Er | 21 | — |
| Pregabalin | 19 | — |
| Bumetanide | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$431 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 16540 Halsted St Ste aHarvey, IL 60426-6111Phone: (708) 898-0811
Registry dates
- Enumerated
- 2015-05-22
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is Chidinma Ekenna's NPI number?
- Chidinma Ekenna's National Provider Identifier (NPI) is 1659750743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chidinma Ekenna's specialty?
- Chidinma Ekenna is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Chidinma Ekenna located?
- Chidinma Ekenna's practice location on file with NPPES is 3302 Vollmer Rd, Olympia Fields, IL 60461-1179.
- What is Chidinma Ekenna's phone number?
- The practice phone number listed in the NPPES registry for Chidinma Ekenna is (708) 898-0811.
- Does Chidinma Ekenna accept Medicare?
- Chidinma Ekenna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chidinma Ekenna's NPI active?
- Yes — Chidinma Ekenna's NPI (1659750743) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.