Dr Michael William Riker, MD - Medicare Pediatrics in Knoxville, TN

Dr Michael William Riker, MD is a medicare enrolled "Pediatrics - Pediatric Emergency Medicine" physician in Knoxville, Tennessee. His current practice location is 12023 Mallard Bay Dr, Knoxville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (901) 337-8911.

Dr Michael William Riker is licensed to practice in Tennessee (license number 51244) 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 1760505622.

Contact Information

Dr Michael William Riker, MD
12023 Mallard Bay Dr,
Knoxville, TN 37922-9357
(901) 337-8911
Not Available

Map and Direction




Physician's Profile

Full NameDr Michael William Riker
GenderMale
SpecialityPediatrics - Pediatric Emergency Medicine
Location12023 Mallard Bay Dr, Knoxville, Tennessee
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1760505622
  • Provider Enumeration Date: 04/07/2007
  • Last Update Date: 04/27/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 5890859060
  • Enrollment ID: I20240419002775

Medical Identifiers

Medical identifiers for Dr Michael William Riker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760505622NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 2006023041 (Missouri)Secondary
207P00000XEmergency Medicine 51244 (Tennessee)Secondary
2080P0204XPediatrics - Pediatric Emergency Medicine 51244 (Tennessee)Primary
208000000XPediatrics 51244 (Tennessee)Secondary

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 Michael William Riker allows following entities to bill medicare on his behalf.
Entity NameSoutheastern Emergency Physicians Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356379382
PECOS PAC ID: 2466364997
Enrollment ID: O20050125000997

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 Michael William Riker 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 Michael William Riker, MD
12023 Mallard Bay Dr,
Knoxville, TN 37922-9357

Ph: (901) 337-8911
Dr Michael William Riker, MD
12023 Mallard Bay Dr,
Knoxville, TN 37922-9357

Ph: (901) 337-8911

Reviews and Comments


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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).

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