JOHN NATTIN JUNEAU DO
NPI 1447755855
Pediatrics - Neonatal-Perinatal Medicine in Louisville, KY

Active since March 27, 2018PECOS Enrolled
411 E CHESTNUT ST, LEVEL 2, LOUISVILLE, KY 40202(502) 588-0982(502) 588-0987 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 8, 2026, Apr 24, 2024, Sep 22, 2021 and 1 more (4 updates tracked since 2018).

About John Nattin Juneau Do NPPES

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

JOHN NATTIN JUNEAU DO (NPI 1447755855) is an individual neonatal-perinatal medicine provider in Louisville, Kentucky, licensed in Kentucky (04953) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1447755855
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameJOHN NATTIN JUNEAUCredential: DO
Location Address411 E CHESTNUT ST, LEVEL 2Louisville, KY 40202-1713
Mailing AddressPo Box 776879Chicago, IL 60677-6879 · (502) 588-9490 · Fax (502) 272-5339
Fax(502) 588-0987
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 27, 2018
Last NPPES UpdateJanuary 8, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1447755855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in KY · 04953
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 04953 (KY)
411 E CHESTNUT ST, Louisville, KY 40202

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Nattin Juneau Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688070915
PECOS Enrollment IDI20260221000048
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

2

Medicare enrollment records show John Juneau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurology with Special Qualifications in Child Neurology
4803 OLYMPIA PARK PLZ STE 1100
Louisville, KY 40241
  • Reassigned Medicare billing, Indiana enrollment
  • Medicare enrollment name: Norton Childrens Medical Group LLC
  • 94 clinicians in this Medicare group
Internal Medicine
979 E 3RD ST STE A440
Chattanooga, TN 37403
  • Reassigned Medicare billing, Tennessee enrollment
  • 679 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Developmental - Behavioral Pediatrics)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Nurse Practitioner (Family)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Physician Assistant
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Genetic Counselor, MS
411 E CHESTNUT ST, LEVEL 2
LOUISVILLE, KY 40202
Surgery (Pediatric Surgery)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Nurse Practitioner (Family)
411 E CHESTNUT ST
LOUISVILLE, KY 40202
Nurse Practitioner (Pediatrics)
411 E CHESTNUT ST
LOUISVILLE, KY 40202

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 John Juneau's NPI number?

The NPI number for John Juneau is 1447755855. It was assigned to this individual provider in the NPPES registry on March 27, 2018.

Where is John Juneau located?

John Juneau practices at 411 E Chestnut St Level 2, Louisville, KY 40202. The listed phone number is (502) 588-0982.

What is John Juneau's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is John Juneau enrolled in Medicare?

Yes. John Juneau is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Juneau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Juneau reassigns Medicare benefits to 2 organizations: Norton Children's Medical Group, LLC (Louisville, KY) and Erlanger Health (Chattanooga, 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 John Juneau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Juneau accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Cigna Healthcare list John Juneau 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 John Juneau was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.