William Schulz
Hematology & Oncology Physician · Rockford, IL
William Schulz is a hematology & oncology physician with a practice address in Rockford, Illinois, and NPI 1558382069, issued on Jul 21, 2006. Check the license (Illinois 036069101, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William Schulz
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036069101 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3535 N Bell School RD, Rockford, IL 61114
- Phone
- (779) 696-9400
- Enumerated
- Jul 21, 2006
- Record last updated
- Feb 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (779) 696-9365
- Medicaid ID
- 036069101 IL
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 3535 N Bell School RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sasha Bauer, MSGenetic Counselor (M.S.)1790467298
- Sarah Bowen, APNGerontology Nurse Practitioner1649781741
- Fahrettin Covut, M.D.Internal Medicine Physician1457885683
- William Edwards, MDHematology & Oncology Physician1437140258
- Harvey EinhornHematology & Oncology Physician1689695108
- Danielle Jones, MSN, FNP-BCNurse Practitioner1487474326
Verify William Schulz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036069101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
430 Medicare Part D claims for 93 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 17 claims were for opioids.
Most prescribed
- Anastrozole42 claims
- Prochlorperazine Maleate31 claims
- Acyclovir26 claims
- Abiraterone Acetate25 claims
- Alendronate Sodium22 claims
- Prednisone22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
William Schulz among 666 hematology & oncology physician records in Illinois
William Schulz is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 57% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Illinois
There are 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Rockford → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- William Edwards, MDRockford, IL 611141437140258
- Harvey EinhornRockford, IL 611141689695108
- Merat Karbasian-Esfahani, M.D.Rockford, IL 611141992740963
- Fauzia Khattak, MDRockford, IL 611141265625354
- Alaeddin MaezaRockford, IL 611141386937167
- Nameer Mardini, MD, MPHRockford, IL 611141821109448
- Sonika Prasad, MDRockford, IL 611141043831407
- Sharon ShippRockford, IL 611141427079938
Common questions
What is William Schulz's NPI number?
William Schulz's National Provider Identifier (NPI) is 1558382069, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Schulz located?
The NPPES record lists a practice address at 3535 N Bell School RD, Rockford, IL, 61114. Phone: (779) 696-9400. Providers update this record themselves, so call before visiting.
How can I verify William Schulz's license?
NPPES lists Illinois license number 036069101, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Schulz prescribe under Medicare Part D?
In 2024, William Schulz had 430 Medicare Part D claims for 93 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is William Schulz's MIPS final score?
The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.