BRETT S. KATHMANN M.D. – NPI #1851666150
Emergency Medicine

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns, and bone infections. This specialist also serves as a consultant to other physicians in all aspects of hyperbaric chamber operations, and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

Health Care Provider Taxonomy Code for Emergency Medicine

BRETT KATHMANN is a physician located in GULFPORT, MS. NPPES has assigned the NPI number 1851666150 to BRETT KATHMANN on March 20, 2012. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207PE0005X from the Health Care Provider Taxonomy code set, which is classified as Emergency Medicine, specializing in Undersea and Hyperbaric Medicine

The NPI profile was last updated on May 19, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for BRETT KATHMANN below.

NPI Profile for
BRETT S. KATHMANN

NPI Number
1851666150
Enumeration Date

(more than 14 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
BRETT S. KATHMANN
Credentials
M.D.
Primary location
4500 13TH ST
GULFPORT, MS 39501-2515
Phone: (228) 493-4325 Fax: (228) 200-5691
Mailing address
PO BOX 6266
GULFPORT, MS 39506-6266
Phone: (228) 865-1330 Fax: (228) 865-1331
Sole Proprietor
No
Updated
Certification Date
May 19, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207PE0005X
- Emergency Medicine / Undersea and Hyperbaric Medicine (Primary)		 MS 24612
207P00000X
- Emergency Medicine		 MS 24612

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Education
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS - Graduated 2012
Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
BRETT KATHMANN is affiliated with the following medical group(s):
  • HOSPITAL
    • MEMORIAL HOSPITAL AT GULFPORT
      4500 13TH STREET
      GULFPORT, MS 39502

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