James J. Siegert, D.O.
Urology Physician · Olympia Fields, IL
James J. Siegert, D.O. is a urology physician with a practice address in Olympia Fields, Illinois, and NPI 1245556224, issued on Apr 15, 2010. Check the license (Illinois 036-137110, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James J. Siegert
- Credential
- D.O.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- 036-137110 IL
036137110 IL
Self-reported in NPPES; status is on the state search - Practice location
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Phone
- (708) 679-2270
- Enumerated
- Apr 15, 2010
- Record last updated
- Mar 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150312000642); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 629 in Illinois → Look up another NPI →
Also registered at 20201 Crawford Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwa Abdul BasithStudent in an Organized Health Care Education/Training Program1215870654
- Veronica Abegunde, MDHospitalist Physician1740500826
- Amir Abusharif, DOStudent in an Organized Health Care Education/Training Program1619663986
- Gremah Adam Aboubacar, DOStudent in an Organized Health Care Education/Training Program1619662392
- Tejaswini Addanki, DOStudent in an Organized Health Care Education/Training Program1306589163
- Saria Adnan Sultan, DOInternal Medicine Physician1679216196
Verify James J. Siegert 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 036-137110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average urology physician in 2024
3,876 Medicare Part D claims for 931 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 150 claims were for opioids.
Most prescribed
- Tamsulosin Hcl1,321 claims
- Finasteride450 claims
- Myrbetriq400 claims
- Nitrofurantoin Mono-Macro193 claims
- Oxybutynin Chloride Er179 claims
- Hydrocodone-Acetaminophen107 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: $8,954.48
43 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 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
- Specialty Physicians OF Illinois LLCOlympia Fields, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James J. Siegert among 629 urology physician records in Illinois
James J. Siegert, D.O. is one of 629 urology physician records with a practice address in Illinois. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2010 · median 2002 among the 341 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 urology physician records list a practice address in Olympia Fields
They are 7 of the 684 NPPES records with a practice address in Olympia Fields, and 629 urology physician records in Illinois.
All 629 in Illinois → Every provider in Olympia Fields → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Joseph Cutrone, DOOlympia Fields, IL 604611790218238
- Anthony Grimaldi, DOOlympia Fields, IL 604611811048812
- Shahrokh Kayhan, M.D.Olympia Fields, IL 604611124086012
- Melissa KilianekOlympia Fields, IL 604611972205748
- Florian Stroie, DOOlympia Fields, IL 604611699295808
- Joseph Zanghi, D.O.Olympia Fields, IL 604611013371442
- Michael Herzog, M.D.Orland Park, IL 604621639197957
- Antonio Mancini, D.O.Orland Park, IL 604621629091251
Common questions
What is James J. Siegert, D.O.'s NPI number?
James J. Siegert, D.O.'s National Provider Identifier (NPI) is 1245556224, issued on Apr 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is James J. Siegert, D.O. located?
The NPPES record lists a practice address at 20201 Crawford Ave, Olympia Fields, IL, 60461. Phone: (708) 679-2270. Providers update this record themselves, so call before visiting.
How can I verify James J. Siegert, D.O.'s license?
NPPES lists Illinois license number 036-137110, 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 James J. Siegert, D.O. prescribe under Medicare Part D?
In 2024, James J. Siegert, D.O. had 3,876 Medicare Part D claims for 931 beneficiaries; the average among urology physician prescribers was 1,340. 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.