National Provider Identifier Database

ITAMAR Y GNATT, MD – NPI #1447781992
Undersea and Hyperbaric 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 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.


Contact Information

ITAMAR Y GNATT, MD
945 N 12TH ST
MILWAUKEE, WI53233-1305
Phone: 414-219-2000
Fax:
Website:
Specialty Taxonomy Code
* Undersea and Hyperbaric Medicine 2083P0011X
Family Medicine 207Q00000X
Undersea and Hyperbaric Medicine 207PE0005X

* Indicates primary specialty

NPI Profile & details for ITAMAR Y GNATT

NPI Number 1447781992
Credentials MD
Entity Individual
Enumeration date 03/27/2017
Last updated 10/03/2025 - About 8 months ago
Sole proprietor1 Yes
Identifiers
  • NV License #: 26680
  • WI License #: 70439
  • WI License #: 70439-20
  • WI Medicaid: 10005229
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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