Dr Ryan Charles Mueller, MD - Medicare Radiation Oncology in O Fallon, IL

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Dr Ryan Charles Mueller, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in O Fallon, Illinois. He went to Southern Illinois University School Of Medicine and graduated in 2021 and has 5 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Cancer Care Specialists Of Central Illinois Sc and his current practice location is 321 Regency Park Ste 100, O Fallon, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 416-7970.

Dr Ryan Charles Mueller is licensed to practice in Illinois (license number 036179545) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1912571654.

Contact Information

Dr Ryan Charles Mueller, MD
321 Regency Park Ste 100,
O Fallon, IL 62269-1887
(618) 416-7970
(618) 416-7971

Map and Direction




Physician's Profile

Full NameDr Ryan Charles Mueller
GenderMale
SpecialityRadiation Oncology
Experience5 Years
Location321 Regency Park Ste 100, O Fallon, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Ryan Charles Mueller attended and graduated from Southern Illinois University School Of Medicine in 2021
  NPI Data:
  • NPI Number: 1912571654
  • Provider Enumeration Date: 05/17/2021
  • Last Update Date: 04/15/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8325440050
  • Enrollment ID: I20260514002797

Medical Identifiers

Medical identifiers for Dr Ryan Charles Mueller such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912571654NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 125077834 (Illinois)Secondary
2085R0001XRadiology - Radiation Oncology 2022017916 (Missouri)Secondary
2085R0001XRadiology - Radiation Oncology 036179545 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hshs St Elizabeth's HospitalO fallon, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cancer Care Specialists Of Central Illinois Sc599161911631

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 Ryan Charles Mueller 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 Ryan Charles Mueller, MD
Po Box 25228,
Decatur, IL 62525-5228

Ph: (217) 329-3232		Dr Ryan Charles Mueller, MD
321 Regency Park Ste 100,
O Fallon, IL 62269-1887

Ph: (618) 416-7970

Reviews and Comments


Radiology Doctors in O Fallon, IL

Kris Kahler,
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Saint Elizabeth Blvd, O Fallon, IL 62269
Phone: 618-234-2120    
Camille Mcgann Williams, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 321 Regency Park, O Fallon, IL 62269
Phone: 314-377-3833    
Jacob Samuel Witt, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 321 Regency Park Ste 100, O Fallon, IL 62269
Phone: 618-416-7970    Fax: 618-416-7971

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.