ELEAZAR E CALERO (MD) – Internal Medicine Physician, NPI 1336280122
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for ELEAZAR E CALERO (MD)
4324, West 63rd Street, West Lawn, Chicago, Lake Township, Cook County, Illinois, 60629, United States
CHICAGO, IL 606295012
Phone: (773) 767-3171
Fax: (773) 767-9227
Type: Location
100, West Chicago Avenue, Calumet, East Chicago, Lake County, Indiana, 46312, United States
STE F
EAST CHICAGO, IN 463123261
Phone: (219) 703-2583
Fax: (219) 703-6749
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 121 Open Payments records for all available years, with a total value of $2,397.
Total Amount is formed as General ($2,397) + Research ($0) + Ownership ($0) = $2,397.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Novo Nordisk Inc ($299).
Total Amount
$2,397
General + Research + Ownership
Payments
121
Total payment records
General Amount
$2,397
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $299 |
| Lilly USA, LLC | $271 |
| Amgen Inc. | $241 |
| AstraZeneca Pharmaceuticals LP | $199 |
| Abbott Laboratories | $170 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2013-05-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20130501000398 | I | Internal Medicine | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 83036 | Hemoglobin a1c level | 85 | 64 | $0 |
Insurance plans in this area (ZIP 60629)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| - | IN | |
| Nurse Practitioner | IN | |
| - | IN | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | IL | |
| Nurse Practitioner | IN | |
| - | IN | |
| Gynecological Oncology, Obstetrics/Gynecology | IN | |
| - | IN | |
| Nurse Practitioner | IN |
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