Dr Robert David Siegel, MD - Medicare Internal Medicine in Alton, IL

Dr Robert David Siegel, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Alton, Illinois. His current practice location is 1 Memorial Dr, Div Medical Oncology, Alton, Illinois. You can reach out to his office (for appointments etc.) via phone at (800) 647-2098.

Dr Robert David Siegel is licensed to practice in Missouri (license number 2022039164) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1518901545.

Contact Information

Dr Robert David Siegel, MD
1 Memorial Dr, Div Medical Oncology,
Alton, IL 62002-6722
(800) 647-2098
(314) 362-3192

Map and Direction




Physician's Profile

Full NameDr Robert David Siegel
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location1 Memorial Dr, Alton, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1518901545
  • Provider Enumeration Date: 06/16/2006
  • Last Update Date: 04/21/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0446289086
  • Enrollment ID: I20140605000580

Medical Identifiers

Medical identifiers for Dr Robert David Siegel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518901545NPI-NPPES
200117630MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2022039164 (Missouri)Secondary
207RX0202XInternal Medicine - Medical Oncology 2022039164 (Missouri)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Robert David Siegel allows following entities to bill medicare on his behalf.
Entity NameSt Francis Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871895771
PECOS PAC ID: 6608826821
Enrollment ID: O20050126000259
Entity NameBon Secours Medical Group Greenville Specialty Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821679580
PECOS PAC ID: 1850779976
Enrollment ID: O20220602000070

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Robert David Siegel is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Robert David Siegel, MD
Po Box 7412011,
Chicago, IL 60674-2011

Ph: (800) 647-2098
Dr Robert David Siegel, MD
1 Memorial Dr, Div Medical Oncology,
Alton, IL 62002-6722

Ph: (800) 647-2098

Reviews and Comments


Internal Medicine Doctors in Alton, IL

Ibrahim B.i. Elayyan, MD
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Phone: 314-317-0600    Fax: 314-317-0606
Dr. Barry Michael Mossman, M.D.
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Practice Location: 2 Memorial Dr, Ste 220, Alton, IL 62002
Phone: 618-474-1723    Fax: 618-474-6989
Dr. Matthew Austin Nations, D.O.
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Practice Location: 1 Memorial Dr, Alton, IL 62002
Phone: 618-463-7240    
Mr. David Robert Riedel, MD
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Practice Location: 4 Memorial Dr Ste 230, Alton, IL 62002
Phone: 618-463-7874    Fax: 618-463-7846
Dr. Stanley J Sidwell Iv, MD
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Medicare: Medicare Enrolled
Practice Location: 1 Memorial Dr, Alton, IL 62002
Phone: 618-463-7240    Fax: 618-463-7216
Dr. Edward B Blair Jr., M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 2 Saint Anthonys Way, Suite 205, Alton, IL 62002
Phone: 618-462-2222    Fax: 618-463-5004
Dr. William Ray Bartley, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Professional Dr, Suite 220, Alton, IL 62002
Phone: 618-463-8626    Fax: 618-463-8688

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.