NPIMap

Individual provider Active NPI

Brett Stockton Kathmann, M.D.

  • Undersea and Hyperbaric Medicine (Emergency Medicine) Physician
  • Gulfport, MS
National Provider Identifier
1851666150
Registry record updated May 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Undersea and Hyperbaric Medicine (Emergency Medicine) PhysicianTaxonomy code 207PE0005X
License
24612 Issued in MS
Practice address
4500 13TH St
Gulfport, MS 39501-2515
Phone
(228) 493-4325
Fax
(228) 200-5691
NPI assigned
Mar 20, 2012
Last updated
May 19, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 19, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 24612 MS
Emergency Medicine Physician 207P00000X MD.207434 LA
Undersea and Hyperbaric Medicine (Emergency Medicine) Physician 207PE0005X 24612 MS Primary

Addresses

Primary practice location

4500 13TH St
Gulfport, MS 39501-2515

Mailing address

PO Box 6266
Gulfport, MS 39506-6266
Phone (228) 865-1330

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA, MS, TN3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20161026002504 LA Practitioner - Emergency Medicine 0143528695 Reassigns benefits to 1 organization
I20170207001597 MS Practitioner - Emergency Medicine 0143528695 Reassigns benefits to 4 organizations
I20251010004339 TN Practitioner - Emergency Medicine 0143528695 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Louisiana State University School of Medicine in New Orleans, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Memorial Hospital at GulfportGroup PAC ID 2466524012, 473 clinicians
Coastal Wound Specialists LLCGroup PAC ID 0244710093, 2 clinicians

Practice addresses (Care Compare)

1340 Broad Ave
Gulfport, MS 39501-2460

1340 Broad Ave
Gulfport, MS 39501-2465

1440 Central Ave E
Wiggins, MS 39577-9602
Phone (601) 928-6700

4500 13TH St
Gulfport, MS 39501-2515
Phone (228) 867-4499

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue156
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hospital at Gulfport Current Accepting new patients
Coastal Wound Specialists LLC Undersea and Hyperbaric Medicine CurrentSince Nov 1, 2025 Accepting new patients
Gulf Coast Wound Associates LLC CurrentSince Feb 15, 2022 Accepting new patients
Van Meter Emergency Physicians Inc. Apmc Emergency Medicine CurrentSince Sep 1, 2016 Accepting new patients
Gulf South Wound Care LLC Undersea and Hyperbaric Medicine CurrentSince Apr 30, 2025 Accepting new patients
Memorial Hospital at Gulfport Emergency Medicine CurrentSince Sep 12, 2017 Accepting new patients
Memorial Hospital at Gulfport Past Accepting new patients

Locations

95 Judge Tanner Blvd
Covington, LA 70433
Phone (504) 867-3800

52579 Highway 51 S
Independence, LA 70443
Phone (985) 878-1349

303 Reese St
Bay St Louis, MS 39520
Phone (228) 342-0023

305 Reese St
Bay St Louis, MS 39520
Phone (228) 323-3330

5427 Gex Rd
Diamondhead, MS 39525
Phone (228) 236-4262

1340 Broad Ave
Ste 440
Gulfport, MS 39501
Phone (228) 867-4856

4500 13th St
Gulfport, MS 39501
Phone (228) 236-3872

4500 13th St
#P
Gulfport, MS 39501
Phone (228) 865-3451

4500 13th St
Ste 900
Gulfport, MS 39501
Phone (228) 236-3872

1436 Central Ave E
Wiggins, MS 39577
Phone (601) 928-1889

6019 Walnut Grove Rd
Memphis, TN 38120
Phone (901) 226-3190

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 64

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 64

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1332201600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1851666150",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6266",
            "city": "GULFPORT",
            "state": "MS",
            "postal_code": "395066266",
            "telephone_number": "228-865-1330",
            "fax_number": "228-865-1331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 13TH ST",
            "city": "GULFPORT",
            "state": "MS",
            "postal_code": "395012515",
            "telephone_number": "228-493-4325",
            "fax_number": "228-200-5691"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATHMANN",
        "first_name": "BRETT",
        "middle_name": "STOCKTON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-03-20",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MS",
            "license": "24612",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "LA",
            "license": "MD.207434",
            "primary": false
        },
        {
            "code": "207PE0005X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Undersea and Hyperbaric Medicine",
            "state": "MS",
            "license": "24612",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gulfport, MS

Sources for this page

Verify at the official NPI Registry.