Dr Oladele O Ajao, MD - Medicare Internal Medicine in Granite City, IL

Dr Oladele O Ajao, MD is a medicare enrolled "Internal Medicine" physician in Granite City, Illinois. His current practice location is 2100 Madison Ave, Granite City, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 452-3301.

Dr Oladele O Ajao is licensed to practice in Illinois (license number 036108133) 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 1700829025.

Contact Information

Dr Oladele O Ajao, MD
2100 Madison Ave,
Granite City, IL 62040-4701
(618) 452-3301
(618) 452-3312

Map and Direction




Physician's Profile

Full NameDr Oladele O Ajao
GenderMale
SpecialityInternal Medicine
Location2100 Madison Ave, Granite City, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1700829025
  • Provider Enumeration Date: 06/14/2006
  • Last Update Date: 03/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6002713229
  • Enrollment ID: I20031216000728

Medical Identifiers

Medical identifiers for Dr Oladele O Ajao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700829025NPI-NPPES
036108133MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease 036108133 (Illinois)Secondary
207R00000XInternal Medicine 036108133 (Illinois)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 Oladele O Ajao allows following entities to bill medicare on his behalf.
Entity NameSouthern Illinois Healthcare Foundation, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013198712
PECOS PAC ID: 1456256874
Enrollment ID: O20031126000641

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 Oladele O Ajao 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 Oladele O Ajao, MD
2100 Madison Ave,
Granite City, IL 62040-4701

Ph: (618) 452-3301
Dr Oladele O Ajao, MD
2100 Madison Ave,
Granite City, IL 62040-4701

Ph: (618) 452-3301

Reviews and Comments


Internal Medicine Doctors in Granite City, IL

Benedict F Painter, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2044 Madison Ave, Suite 15, Granite City, IL 62040
Phone: 618-451-1500    Fax: 618-451-9498
Riyadh Salih, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2100 Madison Ave, Granite City, IL 62040
Phone: 618-798-3000    
Timothy Hipskind,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2100 Madison Ave, Granite City, IL 62040
Phone: 618-798-3000    Fax: 618-798-3000
Lawrence Harmon, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2044 Madison Ave, Suite 23, Granite City, IL 62040
Phone: 618-451-1500    
Dr. Jowe Hsieh, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2100 Madison Ave, Granite City, IL 62040
Phone: 618-452-3301    Fax: 618-452-3312
Dr. Prasanna C Kumar, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3165 Myrtle Ave, Granite City, IL 62040
Phone: 618-877-3066    Fax: 618-877-3060
Nelson C Yu, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2044 Madison Ave Ste 15, Granite City, IL 62040
Phone: 618-798-8405    Fax: 509-798-8116

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.