MICHAEL ODELL LARSON MD
NPI 1417452376
Otolaryngology - Plastic Surgery within the Head & Neck in Little Rock, AR
About Michael Odell Larson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL ODELL LARSON MD (NPI 1417452376) is an individual plastic surgery within the head & neck provider in Little Rock, Arkansas, licensed in Arkansas (E-16733) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Starr Regional Medical Center Athens, and maintains a secondary practice location in Little Rock.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Michael Odell Larson Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Michael Larson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1043372220 (Arkansas)
- 1,246 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 944 clinicians in this Medicare group
Knoxville, TN 37934
- Reassigned Medicare billing, Tennessee enrollment
- 24 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Starr Regional Medical Center Athens
Acute Care Hospitals · Athens, TNPhysicians Regional Medical Center
Acute Care Hospitals · Powell, TNFort Sanders Regional Medical Center
Acute Care Hospitals · Knoxville, TNOther Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 Larson's NPI number?
The NPI number for Michael Larson is 1417452376. It was assigned to this individual provider in the NPPES registry on March 23, 2018.
Where is Michael Larson located?
Michael Larson practices at 4301 W Markham St # 543, Little Rock, AR 72205. The listed phone number is (501) 686-5878.
What is Michael Larson's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Plastic Surgery within the Head & Neck, with taxonomy code 207YX0007X.
Is Michael Larson enrolled in Medicare?
Yes. Michael Larson 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 organizations bill Medicare for Michael Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Larson reassigns Medicare benefits to 3 organizations: University Of Arkansas For Medical Sciences (Little Rock, AR), Arkansas Childrens Hospital (Little Rock, AR) and Otolaryngology Head And Neck Surgery Associates (Knoxville, TN). Each 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 Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Larson accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list Michael Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Larson affiliated with any hospitals?
According to CMS data, Michael Larson is affiliated with Starr Regional Medical Center Athens, Physicians Regional Medical Center and Fort Sanders Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Larson was last updated on August 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.