NPPES file of Aug 9, 2026

Justin M. Lay, D.O.

Pediatrics Physician · Madison, MS

Justin M. Lay, D.O. is a pediatrics physician with a practice address in Madison, Mississippi, and NPI 1093109316, issued on Mar 25, 2015. Check the license (Mississippi 25783, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093109316
Name
Justin M. Lay
Credential
D.O.
Primary taxonomy
Pediatrics Physician 208000000X
License number
25783 MS
Self-reported in NPPES; status is on the state search
Practice location
161 Montgomery St Ste D, Madison, MS 39110
Phone
(769) 300-5200
Enumerated
Mar 25, 2015
Record last updated
Sep 3, 2025
Fax
(601) 623-4300
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 161 Montgomery St Ste D

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Molly Lemoine, FNP-CFamily Nurse Practitioner1508701954

Verify Justin M. Lay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 25783
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

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Industry payments in 2024: $720.24

35 payments; by number, the most common kind was food and beverage; the largest payer was Ironshore Pharmaceuticals Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Lay$720.24
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Justin M. Lay among 417 pediatrics physician records in Mississippi

Justin M. Lay, D.O. is one of 417 pediatrics physician records with a practice address in Mississippi. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 71% of them.

  • NPI issued2015 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 pediatrics physician records list a practice address in Madison

They are 8 of the 612 NPPES records with a practice address in Madison, and 417 pediatrics physician records in Mississippi.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Steven Chevalier, M.D.Madison, MS 391101104937481
  2. John Culbertson, MDMadison, MS 391101194475962
  3. Parker Ellison, M.D.Madison, MS 391101942311212
  4. Rebecca Hardy, D.O.Madison, MS 391101922703651
  5. Ashley McGlawn, M.D.Madison, MS 391101407274426
  6. Catherine Phillippi, M.D.Madison, MS 391101578674883
  7. William Smith, M.D.Madison, MS 391101861595340
  8. Jennifer Russ, M.D.Natchez, MS 391201619925666

Common questions

What is Justin M. Lay, D.O.'s NPI number?

Justin M. Lay, D.O.'s National Provider Identifier (NPI) is 1093109316, issued on Mar 25, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Justin M. Lay, D.O. located?

The NPPES record lists a practice address at 161 Montgomery St Ste D, Madison, MS, 39110. Phone: (769) 300-5200. Providers update this record themselves, so call before visiting.

How can I verify Justin M. Lay, D.O.'s license?

NPPES lists Mississippi license number 25783, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.