Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Marcus K Clayton, MD

Individual provider Emergency Medicine Physician · NPI 1639232853

Dr. Marcus K Clayton, MD is an Emergency Medicine in New Orleans, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 1996, 30 years ago. Practices with Extreme Environmental Medicine LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
30
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1226 4th St
New Orleans, LA 70130-5736
Phone: (540) 897-0003
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence L023049 (LA)

Record details

NPI number1639232853
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 19, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1996 (30 years in practice)
Group practice Extreme Environmental Medicine Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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