Harry Siavelis, M.D.
Surgery Physician · Elmhurst, IL
Harry Siavelis, M.D. is a surgery physician with a practice address in Elmhurst, Illinois, and NPI 1255310736, issued on Jan 12, 2006. Check the license (Illinois 036091964, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Harry Siavelis
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 036091964 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1200 S York RD, Elmhurst, IL 60126
- Phone
- (630) 758-8838
- Enumerated
- Jan 12, 2006
- Record last updated
- Aug 22, 2023
- Fax
- (630) 758-8846
- Medicaid ID
- 036091964 IL
- Medicare enrollment
- Enrolled (PECOS I20101022000675); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Also registered at 1200 S York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lois Adamiec, M.S.Audiologist1225290026
- Nabil Barakat, MDPlastic Surgery Physician1619993268
- Janet Benedict, PTPhysical Therapist1346414893
- Stephen Boghossian, M.D.Surgery Physician1245210111
- Richard Brash, M.D.Sports Medicine (Orthopaedic Surgery) Physician1073550109
- Jennifer Chaidaisuk, PT, DPTPhysical Therapist1649522582
Verify Harry Siavelis 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 036091964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average surgery physician in 2024
98 Medicare Part D claims for 56 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Tramadol Hcl26 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: $759.86
9 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Dupage Medical Group LtdSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harry Siavelis among 1,520 surgery physician records in Illinois
Harry Siavelis, M.D. is one of 1,520 surgery physician records with a practice address in Illinois. 66% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 64% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1993 · median 2004 among the 650 with a school on file
- Record last updated2023 · 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 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Illinois
There are 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Elmhurst → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Stephen Boghossian, M.D.Elmhurst, IL 601261245210111
- Rama Dandamudi, M.D.Elmhurst, IL 601261235352766
- Christine Gresik, M.D.Elmhurst, IL 601261225298045
- John Hamby, MDElmhurst, IL 601261134108657
- Darvonette HarperElmhurst, IL 601261215698295
- Michelle Kosik, MDElmhurst, IL 601261760431563
- Minh Luu, MDElmhurst, IL 601261639386790
- Michael Martirano, M.D.Elmhurst, IL 601261841279387
Common questions
What is Harry Siavelis, M.D.'s NPI number?
Harry Siavelis, M.D.'s National Provider Identifier (NPI) is 1255310736, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry Siavelis, M.D. located?
The NPPES record lists a practice address at 1200 S York RD, Elmhurst, IL, 60126. Phone: (630) 758-8838. Providers update this record themselves, so call before visiting.
How can I verify Harry Siavelis, M.D.'s license?
NPPES lists Illinois license number 036091964, 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 Harry Siavelis, M.D. prescribe under Medicare Part D?
In 2024, Harry Siavelis, M.D. had 98 Medicare Part D claims for 56 beneficiaries; the average among surgery physician prescribers was 147. 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.