Walter Stadler, MD
Hematology & Oncology Physician · Zion, IL
Walter Stadler, MD is a hematology & oncology physician with a practice address in Zion, Illinois, and NPI 1033272547, issued on Dec 18, 2006. Check the license (Illinois 036081259, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Walter Stadler
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036081259 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2520 Elisha Avenue, Zion, IL 60099
- Phone
- (800) 322-9183
- Enumerated
- Dec 18, 2006
- Record last updated
- Feb 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20060426000705); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 2520 Elisha Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara Alaichamy, D.P.T.Physical Therapist1699063222
- Amy Bonfiglio, FNP-CFamily Nurse Practitioner1083085013
- William Civiletta-Kalich, PAPhysician Assistant1386607356
- Meng Gan, M.D.Radiation Oncology Physician1649703901
- Nazia Khatoon, M.D.Anatomic Pathology & Clinical Pathology Physician1619403029
- Heidi Larder, FNP-CNurse Practitioner1346695095
Verify Walter Stadler 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 036081259Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average hematology & oncology physician in 2024
891 Medicare Part D claims for 97 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 39 claims were for opioids.
Most prescribed
- Prednisone316 claims
- Abiraterone Acetate205 claims
- Levothyroxine Sodium35 claims
- Cabometyx33 claims
- Xtandi31 claims
- Welireg25 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 MIPS final score for 2023 (Medicare payment program): 97.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13,885.78
18 payments; by number, the most common kind was consulting fee; the largest payer was AstraZeneca UK Limited. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- City OF Hope Medical Group OF Illinois PLLCZion, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Stadler among 666 hematology & oncology physician records in Illinois
Walter Stadler, MD 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 fileYes · 69% of these records are
- Graduated1988 · median 2003 among the 461 with a school on file
- Record last updated2025 · 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).
7 hematology & oncology physician records list a practice address in Zion
They are 7 of the 222 NPPES records with a practice address in Zion, and 666 hematology & oncology physician records in Illinois.
All 666 in Illinois → Every provider in Zion → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ajaz Khan, M.D.Zion, IL 600991043484736
- Evan Pisick, M.D.Zion, IL 600991427096700
- Tulio Rodriguez, M.D.Zion, IL 600991831176007
- Rohit Shah, M.D.Zion, IL 600991487761268
- Ashwin Sheelvanth, MDZion, IL 600991134115769
- Kevin Zhang, M.D.Zion, IL 600991275030256
- Sohail Chaudhry, M.D.Dekalb, IL 601151245247717
- Faisal Saghir, MDDekalb, IL 601151922000777
Common questions
What is Walter Stadler, MD's NPI number?
Walter Stadler, MD's National Provider Identifier (NPI) is 1033272547, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Stadler, MD located?
The NPPES record lists a practice address at 2520 Elisha Avenue, Zion, IL, 60099. Phone: (800) 322-9183. Providers update this record themselves, so call before visiting.
How can I verify Walter Stadler, MD's license?
NPPES lists Illinois license number 036081259, 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 Walter Stadler, MD prescribe under Medicare Part D?
In 2024, Walter Stadler, MD had 891 Medicare Part D claims for 97 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Walter Stadler, MD's MIPS final score?
The 2023 MIPS final score is 97.7 of 100. 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.