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DR. MARCUS K CLAYTON M.D.
NPI 1639232853
Emergency Medicine in New Orleans, LA

Active since December 19, 2006PECOS EnrolledAccepts Medicare Assignment
99.57/100
CMS Quality Rating
1226 4TH ST, NEW ORLEANS, LA 70130(540) 897-0003 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Marcus K Clayton M.d. NPPES

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

DR. MARCUS K CLAYTON M.D. (NPI 1639232853) is an individual emergency medicine provider in New Orleans, Louisiana, licensed in Louisiana (L023049) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with West Jefferson Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1996).

NPPES Registry Identity

NPI1639232853
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARCUS K CLAYTONCredential: M.D.
Location Address1226 4TH STNew Orleans, LA 70130-5736
Mailing Address1226 4th StNew Orleans, LA 70130-5736 · (540) 897-0003
Phone(540) 897-0003
Sole ProprietorYes
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1996
Enumeration DateDecember 19, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1639232853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in LA · L023049
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1226 4TH ST, New Orleans, LA 70130
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINH12295LA
Medicare ID-Type Unspecified5H169LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CHRISTUS Health Plan, HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marcus K Clayton M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012973712
PECOS Enrollment IDI20041204000042
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

5

Medicare enrollment records show Marcus Clayton reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Medical Center Management Corporation
2.3 mi
Family Medicine
2000 CANAL ST
New Orleans, LA 70112
  • Reassigned Medicare billing, Louisiana enrollment
  • 295 clinicians in this Medicare group
NPI 1083655567 (504) 702-2081
Independence Emergency Group LLC
8.0 mi
Emergency Medicine
4700 S I 10 SERVICE RD W
Metairie, LA 70001
  • Reassigned Medicare billing, Louisiana enrollment
  • 114 clinicians in this Medicare group
NPI 1528384773 (504) 885-3333
Extreme Environmental Medicine, LLC
13 mi
Undersea and Hyperbaric Medicine
180 W ESPLANADE AVE STE 108
Kenner, LA 70065
  • Reassigned Medicare billing, Louisiana enrollment
  • 8 clinicians in this Medicare group
NPI 1699321703 (504) 464-8686
Van Meter Emergency Physicians Inc. Apmc
33 mi
Emergency Medicine
95 E FAIRWAY DR
Covington, LA 70433
  • Reassigned Medicare billing, Louisiana enrollment
  • 159 clinicians in this Medicare group
NPI 1649410697 (985) 867-4000
Vincent Emergency Group, LLC
295 mi
Emergency Medicine
505 S JOHN REDDITT DR
Lufkin, TX 75904
  • Reassigned Medicare billing, Louisiana enrollment
  • 101 clinicians in this Medicare group
NPI 1740816917 (936) 637-8567

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of skin and tissue, 20.0 sq cm or less 11042
This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.
56 services25 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
51 services50 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
41 services22 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
28 services12 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
26 services24 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
26 services26 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

West Jefferson Medical Center

Acute Care Hospitals · Marrero, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190039
Location1101 Medical Center BlvdMarrero, LA 70072 · Jefferson County
Emergency services Birthing friendly

East Jefferson General Hospital

Acute Care Hospitals · Metairie, LA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number190176
Location4200 Houma BlvdMetairie, LA 70006 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70130 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
$86.76 typical visit price
range $55.50 – $170.30
Typical copayment $21.69 (range $13.87 – $42.57)
Most-billed visit code 99203
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
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.

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.

99.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.73
Improvement Activities40

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 Marcus Clayton's NPI number?

The NPI number for Marcus Clayton is 1639232853. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is Marcus Clayton located?

Marcus Clayton practices at 1226 4th St, New Orleans, LA 70130. The listed phone number is (540) 897-0003.

What is Marcus Clayton's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marcus Clayton enrolled in Medicare?

Yes. Marcus Clayton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marcus Clayton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Clayton reassigns Medicare benefits to 5 organizations: University Medical Center Management Corporation (New Orleans, LA), Independence Emergency Group LLC (Metairie, LA), Extreme Environmental Medicine, LLC (Kenner, LA), Van Meter Emergency Physicians Inc. Apmc (Covington, LA) and Vincent Emergency Group, LLC (Lufkin, TX). 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 Marcus Clayton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcus Clayton accept?

Health plans from CHRISTUS Health Plan and HMO Louisiana list Marcus Clayton 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.

Is Marcus Clayton affiliated with any hospitals?

According to CMS data, Marcus Clayton is affiliated with West Jefferson Medical Center and East Jefferson General Hospital.

When was this NPI record last updated?

The NPPES record for Marcus Clayton was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.