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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK ANTHONY CLAY M.D.
NPI 1417004136
Pediatrics - Pediatric Critical Care Medicine in Jefferson, LA

Active since January 04, 2007PECOS Enrolled
1514 JEFFERSON HWY, JEFFERSON, LA 70121(770) 289-7336(615) 468-4520 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 4, 2022, Jan 4, 2021, Dec 21, 2020 and 1 more (4 updates tracked since 2020).

About Mark Anthony Clay M.d. NPPES

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

MARK ANTHONY CLAY M.D. (NPI 1417004136) is an individual pediatric critical care medicine provider in Jefferson, Louisiana, licensed in Louisiana (351496) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417004136
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameMARK ANTHONY CLAYCredential: M.D.
Location Address1514 JEFFERSON HWYJefferson, LA 70121-2451
Mailing Address1514 Jefferson HwyJefferson, LA 70121-2451 · (770) 289-7336 · Fax (615) 468-4520
Phone(770) 289-7336
Fax(615) 468-4520
Sole ProprietorNo
Enumeration DateJanuary 4, 2007
Last NPPES UpdateJune 25, 20264 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1417004136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
Licenses✔ Licensed in LA · 351496✔ Licensed in TX · N6842
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License 351496 (LA)
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License 351496 (LA), N6842 (TX)
1514 JEFFERSON HWY, Jefferson, LA 70121
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Anthony Clay M.d. 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
88%52 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. WALTER JORDAN HOYT JR. M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3900
DANIELLE M PICKHAM M.D.
Surgery
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3000
TAMMY ANN FRANCIPANE RNC CNNP
Nurse Practitioner (Pediatrics, Critical Care)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-4000
LINGLING DU M.D.
Internal Medicine (Hematology & Oncology)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-4000
DR. BRIAN THOMAS HALBERT M.D.
Internal Medicine (Hematology & Oncology)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3910
ADRIENNE A. TRUXILLO NP
Nurse Practitioner (Pediatrics)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3900
WENDY LYNN CAMBRE CRNA
Nurse Anesthetist, Certified Registered
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3755
AIMEE ELISE HILTBOLD M.D.
Internal Medicine (Cardiovascular Disease)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-4145

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 Mark Clay's NPI number?

The NPI number for Mark Clay is 1417004136. It was assigned to this individual provider in the NPPES registry on January 4, 2007.

Where is Mark Clay located?

Mark Clay practices at 1514 Jefferson Hwy, Jefferson, LA 70121. The listed phone number is (770) 289-7336.

What is Mark Clay's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Mark Clay enrolled in Medicare?

Yes. Mark Clay is registered in the Medicare PECOS enrollment system.

What insurance does Mark Clay accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list Mark Clay 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 Mark Clay was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.