Willem Vanheeckeren, MD
NPI 1306931761 · Hematology & Oncology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Willem Vanheeckeren, MD is a Hematology & Oncology Physician provider in Cleveland, OH (NPI 1306931761).
Provider details
- NPI number
- 1306931761
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35082420 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,135 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 391 | $62 |
| 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 | 339 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 190 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 53 | $112 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 135 | 39 |
| Apixabanbrand: Eliquis | 132 | 34 |
| Prednisone | 95 | 30 |
| Lenalidomidebrand: Revlimid | 70 | 13 |
| Venetoclaxbrand: Venclexta | 69 | — |
| Lenalidomide | 50 | — |
| Dapsone | 47 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2020-12-21
- Certified
- 2020-12-21
Frequently asked questions
- What is Willem Vanheeckeren's NPI number?
- Willem Vanheeckeren's National Provider Identifier (NPI) is 1306931761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willem Vanheeckeren's specialty?
- Willem Vanheeckeren is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Willem Vanheeckeren located?
- Willem Vanheeckeren's practice location on file with NPPES is 11100 Euclid Avenue, Cleveland, OH 44106.
- What is Willem Vanheeckeren's phone number?
- The practice phone number listed in the NPPES registry for Willem Vanheeckeren is (440) 205-5792.
- Does Willem Vanheeckeren accept Medicare?
- Willem Vanheeckeren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Willem Vanheeckeren's NPI active?
- Yes — Willem Vanheeckeren's NPI (1306931761) is active in the NPPES registry as of the last update on 2020-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.