Michael William Riker, M.D.
Pediatric Emergency Medicine (Pediatrics) Physician · Knoxville, TN
Michael William Riker, M.D. is a pediatric emergency medicine (pediatrics) physician with a practice address in Knoxville, Tennessee, and NPI 1760505622, issued on Apr 7, 2007. Check the license (Tennessee 51244, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael William Riker
- Credential
- M.D.
- Primary taxonomy
- Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X
- License numbers
- 51244 TN
2006023041 MO
Self-reported in NPPES; status is on the state search - Practice location
- 12023 Mallard Bay Dr, Knoxville, TN 37922
- Phone
- (901) 337-8911
- Enumerated
- Apr 7, 2007
- Record last updated
- Apr 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240419002775); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest pediatric emergency medicine (pediatrics) physician records → All 61 in Tennessee → Look up another NPI →
Verify Michael William Riker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 51244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southeastern Emergency Physicians LLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael William Riker among 61 pediatric emergency medicine (pediatrics) physician records in Tennessee
Michael William Riker, M.D. is one of 61 pediatric emergency medicine (pediatrics) physician records with a practice address in Tennessee. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 52% newer
- In a Medicare fileYes · 41% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2003 · median 2020 among the 15 with a school on file
- Record last updated2015 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0204X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Emergency Medicine (Pediatrics) Physician providers in Tennessee
There are 61 pediatric emergency medicine (pediatrics) physician records in Tennessee.
All 61 in Tennessee → Every provider in Knoxville → Pediatric Emergency Medicine (Pediatrics) Physician nationwide →
The 8 pediatric emergency medicine (pediatrics) physician records with the nearest ZIP codes
- Jan Bishop, M.D.Knoxville, TN 379161083650717
- John Carder, M.D.Knoxville, TN 379161043246879
- Frances Craig, M.D.Knoxville, TN 379161942246533
- Robert Dickson, M.D.Knoxville, TN 379161063458776
- Megan Gaddis, M.D.Knoxville, TN 379161114240561
- Kimberly Kim, M.D.Knoxville, TN 379161790712115
- Ameeta Lall, M.D.Knoxville, TN 379161366487381
- Jeanann Pardue, M.D.Knoxville, TN 379161023053188
Common questions
What is Michael William Riker, M.D.'s NPI number?
Michael William Riker, M.D.'s National Provider Identifier (NPI) is 1760505622, issued on Apr 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael William Riker, M.D. located?
The NPPES record lists a practice address at 12023 Mallard Bay Dr, Knoxville, TN, 37922. Phone: (901) 337-8911. Providers update this record themselves, so call before visiting.
How can I verify Michael William Riker, M.D.'s license?
NPPES lists Tennessee license number 51244, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.