Ernest Dejesus, MD
NPI 1295737088 · Nephrology Physician · Winfield, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Dejesus, MD is a Nephrology Physician provider in Winfield, IL (NPI 1295737088).
Provider details
- NPI number
- 1295737088
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.109525 (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
20 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
2,845 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 35 Minutes99232 | 915 | $79 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 435 | $118 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 269 | $352 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 197 | $94 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 169 | $173 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 154 | 51 |
| Olmesartan Medoxomil | 104 | 33 |
| Prednisone | 98 | 38 |
| Bumetanide | 97 | 29 |
| Furosemide | 90 | 23 |
| Chlorthalidone | 78 | 28 |
| Carvedilol | 76 | 20 |
| Lisinopril | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$853 across 35 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)
- 302 Randall RdGeneva, IL 60134-4209Phone: (630) 690-1220Fax: (630) 208-1667
Registry dates
- Enumerated
- 2005-08-11
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Ernest Dejesus's NPI number?
- Ernest Dejesus's National Provider Identifier (NPI) is 1295737088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Dejesus's specialty?
- Ernest Dejesus is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest Dejesus located?
- Ernest Dejesus's practice location on file with NPPES is 25 Winfield Road, Winfield, IL 60190.
- What is Ernest Dejesus's phone number?
- The practice phone number listed in the NPPES registry for Ernest Dejesus is (630) 690-1220.
- Does Ernest Dejesus accept Medicare?
- Ernest Dejesus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Dejesus's NPI active?
- Yes — Ernest Dejesus's NPI (1295737088) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.