Doctor profile · Federal record

Dr. William Schulz

Hematology & Oncology Physician · Rockford, IL

  • NPI 1558382069
  • MIPS 75.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3535 N Bell School RD
Rockford, IL 61114
(779) 696-9400
fax (779) 696-9365
Mailing address
Po Box 78866
Milwaukee, WI 532788866

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 19, 2021
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036069101
Medicaid
IL #036069101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558382069. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
414
Distinct HCPCS
5
Medicare allowed
$37,715
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 189 62 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 161 108 $64
99215 Established patient office or other outpatient visit, 40-54 minutes 42 26 $140
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $131
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $178

In context: peer comparison

Among 5 peers in Rockford Hematology & Oncology Physician, average services per provider: 109. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
453
Patients
111
Total drug cost
$682,439
Drug Type Claims Patients Total cost
Anastrozole Generic 66 19 $2,342
Ondansetron Hcl Generic 53 27 $210
Prochlorperazine Maleate Generic 47 25 $436
Gabapentin Generic 36 0 $802
Prednisone Generic 35 14 $184
Acyclovir Generic 28 0 $422
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 12 $974
Dexamethasone Generic 27 14 $346
Abiraterone Acetate Generic 23 0 $197,031
Alendronate Sodium Generic 21 0 $193

Frequently asked questions

Auto-generated from federal data
What is Dr. William Schulz's medical specialty?
Dr. William Schulz practices Hematology & Oncology Physician in Rockford, IL.
Where does Dr. William Schulz practice?
Dr. William Schulz practices at 3535 N Bell School RD, Rockford, IL 61114. Office phone: 7796969400.
What is Dr. William Schulz's NPI?
Dr. William Schulz's National Provider Identifier (NPI) is 1558382069, issued by NPPES.
What procedures does Dr. William Schulz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.