John Eklund, MD
NPI 1174510523 · Hematology & Oncology Physician · Niles, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Eklund, MD is a Hematology & Oncology Physician provider in Niles, IL (NPI 1174510523).
Provider details
- NPI number
- 1174510523
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036103812 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,606 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) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 579 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 498 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 477 | $132 |
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 377 | $24 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 309 | $131 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 306 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 153 | 35 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 114 | 29 |
| Acyclovir | 91 | 21 |
| Prednisone | 63 | 20 |
| Acalabrutinib Maleatebrand: Calquence | 60 | — |
| Zanubrutinibbrand: Brukinsa | 53 | — |
| Hydroxyurea |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,827 across 120 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
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2021-12-10
- Certified
- 2021-12-10
Frequently asked questions
- What is John Eklund's NPI number?
- John Eklund's National Provider Identifier (NPI) is 1174510523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Eklund's specialty?
- John Eklund is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Eklund located?
- John Eklund's practice location on file with NPPES is 8915 W Golf Rd, Niles, IL 60714-5905.
- What is John Eklund's phone number?
- The practice phone number listed in the NPPES registry for John Eklund is (847) 827-9060.
- Does John Eklund accept Medicare?
- John Eklund is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Eklund's NPI active?
- Yes — John Eklund's NPI (1174510523) is active in the NPPES registry as of the last update on 2021-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.