Dr Isabella Rossi Riordan, MD - Medicare Anesthesiology in O Fallon, MO

Dr Isabella Rossi Riordan, MD is a medicare enrolled "Anesthesiology" physician in O Fallon, Missouri. She went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 2014 and has 10 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice Washington University and her current practice location is 2 Progress Point Pkwy, Dept Anesthesiology, O Fallon, Missouri. You can reach out to her office (for appointments etc.) via phone at (800) 862-9980.

Dr Isabella Rossi Riordan is licensed to practice in Missouri (license number 2016042732) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1245644525.

Contact Information

Dr Isabella Rossi Riordan, MD
2 Progress Point Pkwy, Dept Anesthesiology,
O Fallon, MO 63368-2205
(800) 862-9980
(314) 362-1185

Map and Direction




Physician's Profile

Full NameDr Isabella Rossi Riordan
GenderFemale
SpecialityAnesthesiology
Experience10 Years
Location2 Progress Point Pkwy, O Fallon, Missouri
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Isabella Rossi Riordan attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 2014
  NPI Data:
  • NPI Number: 1245644525
  • Provider Enumeration Date: 06/16/2014
  • Last Update Date: 04/10/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5991925349
  • Enrollment ID: I20180809000690

Medical Identifiers

Medical identifiers for Dr Isabella Rossi Riordan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245644525NPI-NPPES
200057665MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 2016042732 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Progress West HospitalO fallon, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Washington University98300087702506

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 Isabella Rossi Riordan allows following entities to bill medicare on her behalf.
Entity NameWashington University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528005642
PECOS PAC ID: 9830008770
Enrollment ID: O20040129000651

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 Isabella Rossi Riordan 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 Isabella Rossi Riordan, MD
Po Box 60352,
Saint Louis, MO 63160-0352

Ph: (800) 862-9980
Dr Isabella Rossi Riordan, MD
2 Progress Point Pkwy, Dept Anesthesiology,
O Fallon, MO 63368-2205

Ph: (800) 862-9980

Reviews and Comments


Anesthesiology Doctors in O Fallon, MO

Dr. Chakrapol Lattanand, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Pkwy, Dept Anesthesiology, O Fallon, MO 63368
Phone: 800-862-9980    Fax: 314-362-1185
Dr. John Jacob Long, DO
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Pkwy, Dept Anesthesiology, O Fallon, MO 63368
Phone: 800-862-9980    Fax: 314-362-1185
Dr. Sunita Dharmavarapu, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 2 Progress Point Ct, O Fallon, MO 63368
Phone: 314-286-1050    Fax: 314-344-1138
Dr. David A Friedman, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Ct, O Fallon, MO 63368
Phone: 636-344-1170    Fax: 636-344-1138
Vivek K Manchanda, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 4122 Keaton Crossing Blvd, Suite 102, O Fallon, MO 63368
Phone: 636-329-9077    Fax: 636-329-9076
Dr. Jessica Lauren Sanford, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Pkwy, Dept Anesthesiology, O Fallon, MO 63368
Phone: 800-862-9980    Fax: 314-362-1185

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.