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

JOSEPH WILLIS M.D.
NPI 1407113079
Dermatology in Metairie, LA

Active since April 19, 2012PECOS Enrolled
4101 HENICAN PL, METAIRIE, LA 70003(504) 621-2929 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Joseph Willis M.d. NPPES

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

JOSEPH WILLIS M.D. (NPI 1407113079) is an individual dermatology provider in Metairie, Louisiana, licensed in Louisiana (MD.206880) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with St Tammany Parish Hospital, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2012).

NPPES Registry Identity

NPI1407113079
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameJOSEPH WILLISCredential: M.D.
Location Address4101 HENICAN PLMetairie, LA 70003-1311
Mailing Address4101 Henican PlMetairie, LA 70003-1311 · (504) 621-2929
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2012
Enumeration DateApril 19, 2012
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1407113079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in LA · MD.206880
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X · License MD.206880 (LA)
4101 HENICAN PL, Metairie, LA 70003

Accepted 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

Joseph Willis 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 ID8426359548
PECOS Enrollment IDI20250527000518
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 Reassignment

Medicare enrollment records show Joseph Willis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dermatology
180 N 5TH ST
Ponchatoula, LA 70454
  • Reassigned Medicare billing, Louisiana enrollment
  • 10 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

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

St Tammany Parish Hospital

Acute Care Hospitals · Covington, LA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190045
Location1202 S Tyler StreetCovington, LA 70433 · St. Tammany County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70003 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
$69.44 typical visit price
range $17.42 – $138.03
Typical copayment $17.36 (range $4.35 – $34.50)
Most-billed visit code 99213
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

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

Speech-Language Pathologist
4101 HENICAN PL
METAIRIE, LA 70003

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 Joseph Willis's NPI number?

The NPI number for Joseph Willis is 1407113079. It was assigned to this individual provider in the NPPES registry on April 19, 2012.

Where is Joseph Willis located?

Joseph Willis practices at 4101 Henican Pl, Metairie, LA 70003. The listed phone number is (504) 621-2929.

What is Joseph Willis's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Joseph Willis enrolled in Medicare?

Yes. Joseph Willis 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 organization bills Medicare for Joseph Willis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Willis reassigns Medicare benefits to Integrated Dermatology Of Ponchatoula, LLC (Ponchatoula, LA). The 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 Joseph Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Willis accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Joseph Willis 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 Joseph Willis affiliated with any hospitals?

According to CMS data, Joseph Willis is affiliated with St Tammany Parish Hospital.

When was this NPI record last updated?

The NPPES record for Joseph Willis was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.