KARL MATTHEW NETTLES JR. MD
NPI 1124222104
Radiology - Diagnostic Radiology in Baton Rouge, LA
About Karl Matthew Nettles Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL MATTHEW NETTLES JR. MD (NPI 1124222104) is an individual diagnostic radiology provider in Baton Rouge, Louisiana, licensed in Louisiana (MD.207260) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Dallas, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2010).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Karl Matthew Nettles Jr. 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
8Medicare enrollment records show Karl Nettles reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 371 clinicians in this Medicare group
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana and Mississippi enrollments
- 35 clinicians in this Medicare group
Baton Rouge, LA 70836
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 62 clinicians in this Medicare group
Independence, LA 70443
- Reassigned Medicare billing, Louisiana enrollment
- 104 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 931 clinicians in this Medicare group
Little Rock, AR 72211
- Reassigned Medicare billing, Arkansas enrollment
- 92 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 88 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 53
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATON ROUGE, LA 70808
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 Karl Nettles's NPI number?
The NPI number for Karl Nettles is 1124222104. It was assigned to this individual provider in the NPPES registry on June 13, 2007.
Where is Karl Nettles located?
Karl Nettles practices at 7520 Perkins Rd, Baton Rouge, LA 70808. The listed phone number is (225) 769-6700.
What is Karl Nettles's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Karl Nettles enrolled in Medicare?
Yes. Karl Nettles 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 Karl Nettles's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Nettles reassigns Medicare benefits to 8 organizations: Baton Rouge Clinic, A Medical Corporation (Baton Rouge, LA), Baton Rouge Radiology Group Inc (Baton Rouge, LA), Ochsner Clinic LLC (Baton Rouge, LA), North Oaks Medical Center, LLC (Hammond, LA), Lallie Kemp Medical Ctr (Independence, LA) and 3 more organizations, listed in the Medicare section above. 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 Karl Nettles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Nettles accept?
Health plans from Arkansas Blue Cross and Blue Shield, HMO Louisiana, Health Advantage, Octave and Oscar Health Plan, Inc. and 1 other insurer list Karl Nettles 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.
When was this NPI record last updated?
The NPPES record for Karl Nettles was last updated on September 1, 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.