JOHN W EKLUND (MD) – Hematology & Oncology Physician, NPI 1174510523
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
727 HEMATOLOGY/ONCOLOGY in IL
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Provider Addresses for JOHN W EKLUND (MD)
Chicago, South Chicago Township, Cook County, Illinois, United States
CHICAGO, IL 606730001
Phone: (847) 585-7000
Fax: (847) 240-0622
Type: Mailing
8915, West Golf Road, Niles, Maine Township, Cook County, Illinois, 60714, United States
NILES, IL 607145905
Phone: (847) 827-9060
Fax: (847) 827-7196
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 270 Open Payments records for all available years, with a total value of $6,387.
Total Amount is formed as General ($6,387) + Research ($0) + Ownership ($0) = $6,387.
Last reported payment date: 2024-12-21 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($478).
Total Amount
$6,387
General + Research + Ownership
Payments
270
Total payment records
General Amount
$6,387
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $478 |
| Octapharma USA, Inc. | $389 |
| Janssen Biotech, Inc. | $323 |
| PFIZER INC. | $264 |
| Seagen Inc. | $195 |
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: 2005-04-28
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 |
|---|---|---|---|---|
| I20050428000926 | I | Hematology/Oncology | IL | 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 |
|---|---|---|---|---|
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 26,205 | 17 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 23,220 | 17 | $0 |
| Q0138 | Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 16,830 | 15 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 11,550 | 22 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 4,001 | 31 | $0 |
Insurance plans in this area (ZIP 60673)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Hematology/Oncology, Hematology | IL | |
| Nurse Practitioner | IL | |
| Medical Oncology | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| Medical Oncology, Internal Medicine | IL | |
| - | IL | |
| Hematology/Oncology, Internal Medicine | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | IL |
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