Doctor profile · Federal record

Dr. Willem Vanheeckeren, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Cleveland, OH

  • NPI 1306931761
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11100 Euclid Avenue
Cleveland, OH 44106
(440) 205-5792
Mailing address
3605 Warrensville Center RD, 1St Floor
Shaker Heights, OH 44122

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 21, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Ohio #35082420
Medicaid
OH #2685830

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306931761. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
790
Distinct HCPCS
9
Medicare allowed
$71,087
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 336 171 $64
99214 Established patient office or other outpatient visit, 30-39 minutes 247 105 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 46 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 38 30 $135
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $168
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $124
99442 Telephone medical discussion with physician, 11-20 minutes 27 13 $62
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $175
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 11 11 $115

In context: peer comparison

Among 40 peers in Cleveland Hematology & Oncology Physician, average services per provider: 71. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
626
Patients
126
Total drug cost
$1,534,431
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 96 23 $82,074
Acyclovir Generic 69 19 $2,285
Prednisone Generic 51 21 $334
Potassium Chloride Generic 45 14 $881
Dexamethasone Generic 42 16 $669
Famotidine Generic 41 16 $904
Gabapentin Generic 40 0 $322
Furosemide Generic 37 0 $129
Lenalidomide Generic 34 0 $447,893
Oxycodone Hcl Generic 31 0 $688

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Willem Vanheeckeren's medical specialty?
Dr. Willem Vanheeckeren practices Hematology & Oncology Physician in Cleveland, OH.
Where does Dr. Willem Vanheeckeren practice?
Dr. Willem Vanheeckeren practices at 11100 Euclid Avenue, Cleveland, OH 44106. Office phone: 4402055792.
What is Dr. Willem Vanheeckeren's NPI?
Dr. Willem Vanheeckeren's National Provider Identifier (NPI) is 1306931761, issued by NPPES.
Does Dr. Willem Vanheeckeren accept Medicare assignment?
Yes. Dr. Willem Vanheeckeren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Willem Vanheeckeren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.