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DR. JUSTIN M. LAY D.O.
NPI 1093109316
Pediatrics in Madison, MS

Active since March 25, 2015PECOS Enrolled
161 MONTGOMERY ST STE D, MADISON, MS 39110(769) 300-5200(601) 623-4300 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 3, 2025, Jul 9, 2018 (2 updates tracked since 2018).

About Dr. Justin M. Lay D.o. NPPES

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

DR. JUSTIN M. LAY D.O. (NPI 1093109316) is an individual pediatrics provider in Madison, Mississippi, licensed in Mississippi (25783) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093109316
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. JUSTIN M. LAYCredential: D.O.
Location Address161 MONTGOMERY ST STE DMadison, MS 39110-1118
Mailing Address161 Montgomery St Ste DMadison, MS 39110-1118 · (769) 300-5220 · Fax (601) 623-4300
Phone(769) 300-5200
Fax(601) 623-4300
Sole ProprietorNo
Enumeration DateMarch 25, 2015
Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1093109316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MS · 25783
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
161 MONTGOMERY ST STE D, Madison, MS 39110
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Justin M. Lay D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39110 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
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
Most-billed visit code 99214
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 2

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

MRS. MOLLY DALLAS LEMOINE FNP-C
Nurse Practitioner (Family)
161 MONTGOMERY ST STE D
MADISON, MS 39110
Madison County (601) 790-7039
PIONEER PEDIATRICS, LLC
Pediatrics
161 MONTGOMERY ST STE D
MADISON, MS 39110
Madison County (769) 300-5220

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 Justin Lay's NPI number?

The NPI number for Justin Lay is 1093109316. It was assigned to this individual provider in the NPPES registry on March 25, 2015.

Where is Justin Lay located?

Justin Lay practices at 161 Montgomery St Ste D, Madison, MS 39110. The listed phone number is (769) 300-5200.

What is Justin Lay's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Justin Lay enrolled in Medicare?

Yes. Justin Lay is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Justin Lay was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.