Robert Riordan Mac Donald, MD - Medicare Otolaryngology in Saint Peters, MO

Robert Riordan Mac Donald, MD is a medicare enrolled "Otolaryngology" physician in Saint Peters, Missouri. He went to Washington University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Otolaryngology. He is a member of the group practice Midwest Ent Centre, Pc and his current practice location is 4790 Executive Centre Pkwy, Saint Peters, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 441-3100.

Robert Riordan Mac Donald is licensed to practice in Missouri (license number MO103596) 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 1861417156.

Contact Information

Robert Riordan Mac Donald, MD
4790 Executive Centre Pkwy,
Saint Peters, MO 63376-1606
(636) 441-3100
(636) 441-6784

Map and Direction




Physician's Profile

Full NameRobert Riordan Mac Donald
GenderMale
SpecialityOtolaryngology
Experience35 Years
Location4790 Executive Centre Pkwy, Saint Peters, Missouri
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:
  • Robert Riordan Mac Donald attended and graduated from Washington University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1861417156
  • Provider Enumeration Date: 07/13/2006
  • Last Update Date: 04/11/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 0941374235
  • Enrollment ID: I20110323000563

Medical Identifiers

Medical identifiers for Robert Riordan Mac Donald such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861417156NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Y00000XOtolaryngology MO103596 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Barnes-jewish St Peters HospitalSaint peters, MOHospital
Ssm St Joseph Hospital WestLake saint louis, MOHospital
Ssm St Joseph Health CenterSaint charles, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Midwest Ent Centre, Pc559783987812

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. Robert Riordan Mac Donald allows following entities to bill medicare on his behalf.
Entity NameMidwest Ent Centre, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932236650
PECOS PAC ID: 5597839878
Enrollment ID: O20080805000238

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. Robert Riordan Mac Donald 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
Robert Riordan Mac Donald, MD
4790 Executive Centre Pkwy,
Saint Peters, MO 63376-1606

Ph: (636) 441-3100
Robert Riordan Mac Donald, MD
4790 Executive Centre Pkwy,
Saint Peters, MO 63376-1606

Ph: (636) 441-3100

Reviews and Comments


Otolaryngology Doctors in Saint Peters, MO

Benjamin Michael Conoyer, M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 4790 Executive Centre Pkwy, Saint Peters, MO 63376
Phone: 636-441-3100    
Martin Lee Willman, M.D.
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 4790 Executive Centre Pkwy, Saint Peters, MO 63376
Phone: 636-441-3100    Fax: 636-441-6784
John Michael Conoyer, M.D.
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 4790 Executive Centre Pkwy, Saint Peters, MO 63376
Phone: 636-441-3100    Fax: 636-441-6784
Dr. Matthew Philip Page, MD
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 4790 Executive Centre Pkwy, Saint Peters, MO 63376
Phone: 636-441-3100    Fax: 636-441-6784
Nicole Jean Bochtler, FNP
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 4790 Executive Centre Pkwy, Saint Peters, MO 63376
Phone: 636-441-3100    
Karen Elizabeth Boone, M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 4790 Executive Centre Pkwy, Saint Peters, MO 63376
Phone: 636-441-3100    Fax: 636-441-6784

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.