Osvaldo H. Wesly, MD
Medical Oncology Physician · Springfield, IL
Osvaldo H. Wesly, MD is a medical oncology physician with a practice address in Springfield, Illinois, and NPI 1356441943, issued on Sep 23, 2006. Check the license (Illinois 036-089289, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Osvaldo H. Wesly
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 036-089289 IL
Self-reported in NPPES; status is on the state search - Practice location
- 105 S Amos Ave, Springfield, IL 62704
- Phone
- (217) 546-7100
- Enumerated
- Sep 23, 2006
- Record last updated
- Apr 7, 2025
- Fax
- (217) 546-7111
- Medicaid ID
- 036089289 IL
- Medicare enrollment
- Enrolled (PECOS I20041216000837); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Verify Osvaldo H. Wesly 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 036-089289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average medical oncology physician in 2024
197 Medicare Part D claims for 23 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims. 58 claims were for opioids.
Most prescribed
- Diphenhydramine Hcl18 claims
- Oxycodone Hcl15 claims
- Acetaminophen-Codeine13 claims
- Amlodipine Besylate11 claims
- Efavirenz-Emtric-Tenofov Disop11 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.
Industry payments in 2024: $17.46
1 payment: food and beverage; the largest payer was Octapharma USA, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Osvaldo H. Wesly among 182 medical oncology physician records in Illinois
Osvaldo H. Wesly, MD is one of 182 medical oncology physician records with a practice address in Illinois. 83% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1984 · median 2000 among the 132 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Illinois
There are 182 medical oncology physician records in Illinois.
All 182 in Illinois → Every provider in Springfield → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Joan Esplin, MDSpringfield, IL 627021376796508
- Karen Hoelzer, M.D.Springfield, IL 627021477659126
- Mario Velasco, MDDecatur, IL 625261326007782
- James Wade, M.D.Decatur, IL 625261992774459
- Philip Dy, M.D.Effingham, IL 624011710076567
- Justin Floyd, DOO Fallon, IL 622691629164678
- Alfred Greco, MDShiloh, IL 622691073501607
- Brett Herzog, MD PHDShiloh, IL 622691023499282
Common questions
What is Osvaldo H. Wesly, MD's NPI number?
Osvaldo H. Wesly, MD's National Provider Identifier (NPI) is 1356441943, issued on Sep 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Osvaldo H. Wesly, MD located?
The NPPES record lists a practice address at 105 S Amos Ave, Springfield, IL, 62704. Phone: (217) 546-7100. Providers update this record themselves, so call before visiting.
How can I verify Osvaldo H. Wesly, MD's license?
NPPES lists Illinois license number 036-089289, 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 Osvaldo H. Wesly, MD prescribe under Medicare Part D?
In 2024, Osvaldo H. Wesly, MD had 197 Medicare Part D claims for 23 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
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.