MARLEE WADSWORTH MD
NPI 1003375858
Allergy & Immunology in Hattiesburg, MS

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
6414 U S HIGHWAY 98 STE 80, HATTIESBURG, MS 39402(601) 261-1800(601) 261-1801 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 6, 2026, Aug 6, 2025, Mar 19, 2019 (3 updates tracked since 2019).

About Marlee Wadsworth Md NPPES

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

MARLEE WADSWORTH MD (NPI 1003375858) is an individual allergy & immunology provider in Hattiesburg, Mississippi, licensed in Mississippi (31595) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Whitfield Medical Surgical Hospital, and maintains a secondary practice location in Jackson.

NPPES Registry Identity

NPI1003375858
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameMARLEE WADSWORTHCredential: MD
Location Address6414 U S HIGHWAY 98 STE 80Hattiesburg, MS 39402-7838
Mailing Address415 S 28th AveHattiesburg, MS 39401-7246 · (601) 264-6000 · Fax (601) 261-1801
Fax(601) 261-1801
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateJanuary 6, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1003375858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MS · 31595
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 31595 (MS)
6414 U S HIGHWAY 98 STE 80, Hattiesburg, MS 39402

Secondary Practice Location 1

Location 12500 N State StJackson, MS 39216-4500 · Phone (601) 815-0600 · Fax (601) 815-0985

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

Marlee Wadsworth Md 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 ID1951632017
PECOS Enrollment IDI20231113003325
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

3

Medicare enrollment records show Marlee Wadsworth reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
104 MILLSAPS DR
Hattiesburg, MS 39402
  • Reassigned Medicare billing, Mississippi enrollment
  • 696 clinicians in this Medicare group
Psychiatry
3550 HWY 468 WEST
Whitfield, MS 39193
  • Reassigned Medicare billing, Mississippi enrollment
  • 67 clinicians in this Medicare group
General Acute Care Hospital
2500 N STATE ST
Jackson, MS 39216
  • Reassigned Medicare billing, Mississippi enrollment
  • 1,932 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.

Whitfield Medical Surgical Hospital

Acute Care Hospitals · Whitfield, MS
OwnershipGovernment - State
CMS Certification Number250134
Location3550 Hwy 468 W, Bldg 60Whitfield, MS 39193 · Rankin County

Other Providers at the Same Location NPPES 2

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

Nurse Practitioner
6414 U S HIGHWAY 98 STE 80
HATTIESBURG, MS 39402
Allergy & Immunology
6414 U S HIGHWAY 98 STE 80
HATTIESBURG, MS 39402

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 Marlee Wadsworth's NPI number?

The NPI number for Marlee Wadsworth is 1003375858. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Marlee Wadsworth located?

Marlee Wadsworth practices at 6414 U S Highway 98 Ste 80, Hattiesburg, MS 39402. The listed phone number is (601) 261-1800.

What is Marlee Wadsworth's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Marlee Wadsworth enrolled in Medicare?

Yes. Marlee Wadsworth 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 Marlee Wadsworth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marlee Wadsworth reassigns Medicare benefits to 3 organizations: Hattiesburg Clinic PA (Hattiesburg, MS), Mississippi State Hospital At Whitfield (Whitfield, MS) and State Of Mississippi - University Of Mississippi Medical Center (Jackson, MS). 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 Marlee Wadsworth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marlee Wadsworth accept?

Health plans from Cigna Healthcare, Molina Healthcare and UnitedHealthcare list Marlee Wadsworth 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 Marlee Wadsworth affiliated with any hospitals?

According to CMS data, Marlee Wadsworth is affiliated with Whitfield Medical Surgical Hospital.

When was this NPI record last updated?

The NPPES record for Marlee Wadsworth was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.