DR. MICHAEL WILLIAM RIKER M.D.
NPI 1760505622
Pediatrics - Pediatric Emergency Medicine in Knoxville, TN

Q: What is Michael Riker's NPI number?

The NPI number for Michael Riker is 1760505622. It was assigned to this individual provider in the NPPES registry on April 7, 2007.

Q: What is Michael Riker's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Q: When was this NPI record last updated?

The NPPES record for Michael Riker was last updated on April 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 07, 2007PECOS EnrolledAccepts Medicare Assignment

12023 MALLARD BAY DR, KNOXVILLE, TN 37922(901) 337-8911 Get Directions Write a Review

NPPES record last updated: April 27, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Michael William Riker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL WILLIAM RIKER M.D. (NPI 1760505622) is an individual pediatric emergency medicine provider in Knoxville, Tennessee, licensed in Tennessee (51244) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2003).

NPPES Registry Identity

NPI1760505622

Entity TypeIndividualMale

Primary Taxonomy2080P0204X

Provider Legal NameDR. MICHAEL WILLIAM RIKERCredential: M.D.

Location Address12023 MALLARD BAY DRKnoxville, TN 37922-9357

Mailing Address12023 Mallard Bay DrKnoxville, TN 37922-9357 · (901) 337-8911

Phone(901) 337-8911

Sole ProprietorNo

Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2003

Enumeration DateApril 7, 2007

Last NPPES UpdateApril 27, 2015

✔ NPI 1760505622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0204X

License✔ Licensed in TN · 51244

Definition

A pediatrician who has special qualifications to manage emergencies in infants and children.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 51244 (TN)

Also ListedPediatricsTaxonomy 208000000X · License 51244 (TN), 2006023041 (MO)

12023 MALLARD BAY DR, Knoxville, TN 37922

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael William Riker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890859060

PECOS Enrollment IDI20240419002775

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Michael Riker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southeastern Emergency Physicians LLC

194 mi

Emergency Medicine

989 MEDICAL PARK DR
Maysville, KY 41056

Reassigned Medicare billing, Tennessee enrollment
1,071 clinicians in this Medicare group

NPI 1356379382 (606) 759-5311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Riker's NPI number?

The NPI number for Michael Riker is 1760505622. It was assigned to this individual provider in the NPPES registry on April 7, 2007.

Where is Michael Riker located?

Michael Riker practices at 12023 Mallard Bay Dr, Knoxville, TN 37922. The listed phone number is (901) 337-8911.

What is Michael Riker's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Michael Riker enrolled in Medicare?

Yes. Michael Riker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Michael Riker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Riker reassigns Medicare benefits to Southeastern Emergency Physicians LLC (Maysville, KY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Riker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Riker was last updated on April 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.