Richard T Riegel, MD - Medicare Gastroenterology in Chesterfield, MO

Richard T Riegel, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Chesterfield, Missouri. He went to University Of Missouri, Columbia School Of Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Gateway Gastroenterology Inc and his current practice location is 121 Saint Lukes Center Dr, Suite 406, Chesterfield, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 529-4900.

Richard T Riegel is licensed to practice in Missouri (license number 105536) 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 1669472700.

Contact Information

Richard T Riegel, MD
121 Saint Lukes Center Dr, Suite 406,
Chesterfield, MO 63017-3518
(314) 529-4900
(314) 849-4423

Map and Direction




Physician's Profile

Full NameRichard T Riegel
GenderMale
SpecialityGastroenterology
Experience33 Years
Location121 Saint Lukes Center Dr, Chesterfield, 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:
  • Richard T Riegel attended and graduated from University Of Missouri, Columbia School Of Medicine in 1991
  NPI Data:
  • NPI Number: 1669472700
  • Provider Enumeration Date: 07/29/2005
  • Last Update Date: 04/13/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0143308445
  • Enrollment ID: I20100609000439

Medical Identifiers

Medical identifiers for Richard T Riegel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669472700NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 105536 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Lukes HospitalChesterfield, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gateway Gastroenterology Inc266844871311

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. Richard T Riegel allows following entities to bill medicare on his behalf.
Entity NameGateway Gastroenterology Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043250400
PECOS PAC ID: 2668448713
Enrollment ID: O20040909000422

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. Richard T Riegel 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
Richard T Riegel, MD
121 Saint Lukes Center Dr, Suite 406,
Chesterfield, MO 63017-3518

Ph: (314) 529-4900
Richard T Riegel, MD
121 Saint Lukes Center Dr, Suite 406,
Chesterfield, MO 63017-3518

Ph: (314) 529-4900

Reviews and Comments


Internal Medicine Doctors in Chesterfield, MO

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Phone: 314-205-6050    Fax: 314-205-6350
Svetha Chunduri, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 224 S Woods Mill Rd # 404s, Chesterfield, MO 63017
Phone: 314-682-6500    Fax: 314-552-7276

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.