KARL MATTHEW NETTLES JR. MD
NPI 1124222104
Radiology - Diagnostic Radiology in Baton Rouge, LA

Active since June 13, 2007PECOS EnrolledAccepts Medicare Assignment
7520 PERKINS RD, BATON ROUGE, LA 70808(225) 769-6700(225) 768-7608 Get Directions Write a Review

NPPES record last updated: September 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 1, 2023, Jan 13, 2023 (2 updates tracked since 2023).

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

NPI1124222104
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameKARL MATTHEW NETTLES JR.Credential: MD
Location Address7520 PERKINS RDBaton Rouge, LA 70808-9111
Mailing Address1514 Jefferson HwyNew Orleans, LA 70121-2429 · (504) 842-4000
Fax(225) 768-7608
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2010
Enumeration DateJune 13, 2007
Last NPPES UpdateSeptember 1, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2023
✔ NPI 1124222104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in LA · MD.207260✔ Licensed in TX · M9538
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
7520 PERKINS RD, Baton Rouge, LA 70808

Secondary Practice Location 1

Location 14500 S Lancaster RdDallas, TX 75216-7167 · Phone (214) 742-8387 ext. 70185 · Fax (214) 857-0173

Other Identifiers 1

OtherBP1-0026378Institutional Permit

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.

PECOS PAC ID7911030598
PECOS Enrollment IDI20231020002357
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 Reassignments

8

Medicare 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.

Urgent Care
7473 PERKINS RD
Baton Rouge, LA 70808
  • Reassigned Medicare billing, Louisiana enrollment
  • 371 clinicians in this Medicare group
Diagnostic Radiology
5422 DIJON DR
Baton Rouge, LA 70808
  • Reassigned Medicare billing, Louisiana and Mississippi enrollments
  • 35 clinicians in this Medicare group
Internal Medicine
10310 THE GROVE BLVD
Baton Rouge, LA 70836
  • Reassigned Medicare billing, Louisiana enrollment
  • 4,559 clinicians in this Medicare group
Diagnostic Radiology
15790 PAUL VEGA MD DR, RADIOLOGY DEPARTMENT
Hammond, LA 70403
  • Reassigned Medicare billing, Louisiana enrollment
  • 62 clinicians in this Medicare group
Critical Access
52579 HIGHWAY 51 S
Independence, LA 70443
  • Reassigned Medicare billing, Louisiana enrollment
  • 104 clinicians in this Medicare group
Multi-Specialty
478 S JOHNSON ST FL 6
New Orleans, LA 70112
  • Reassigned Medicare billing, Louisiana enrollment
  • 931 clinicians in this Medicare group
Diagnostic Radiology
11001 EXECUTIVE CENTER DR STE 200-C
Little Rock, AR 72211
  • Reassigned Medicare billing, Arkansas enrollment
  • 92 clinicians in this Medicare group
Diagnostic Radiology
9601 BAPTIST HEALTH DR, SUITE 1100
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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,270 services1,084 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
736 services710 patients
X-ray of abdomen, 1 view 74018
An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.
370 services324 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
348 services336 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
284 services277 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
268 services267 patients

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.

New Patient
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$67.06 typical visit price
range $16.64 – $133.62
Typical copayment $16.76 (range $4.16 – $33.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Radiology (Diagnostic Radiology)
7520 PERKINS RD
BATON ROUGE, LA 70808
Social Worker (Clinical)
7520 PERKINS RD, SUITE 180
BATON ROUGE, LA 70808
Dentist (General Practice)
7520 PERKINS RD, SUITE 310
BATON ROUGE, LA 70808
Dentist
7520 PERKINS RD, SUITE 310
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.