Itamar Yaakov Gnatt, M.D
Undersea And Hyperbaric Medicine (CMS) · Milwaukee, WI
At a glance
945 N 12Th St, Milwaukee, WI 53233-1305
Published activity: Removal of skin lesions · Removal of tissue · Skin biopsy. View counts and coverage
NPPES record updated Oct 3, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
945 N 12Th StMilwaukee, WI 53233-1305
Additional reported practice locations
6070 S Fort Apache Rd Ste 100Las Vegas, NV 891485615
Phone: 7028035534
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Undersea And Hyperbaric Medicine
Practice groups
Reported hospital affiliations
- Aurora Medical Center Grafton, WI
- Aurora St Lukes Medical Center Milwaukee, WI
- Mountainview Hospital Las Vegas, NV
- West Allis Memorial Hospital West Allis, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Removal of skin lesions | 1-10 |
| Removal of tissue | 212 |
| Skin biopsy | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $286.96 |
Reporting companies
| Company | Amount |
|---|---|
| W. L. GORE & ASSOCIATES, INC. | $93.12 |
| KERECIS LIMITED | $73.33 |
| TANDEM DIABETES CARE, INC. | $29.55 |
| SMITH+NEPHEW, INC. | $29.29 |
| SOLVENTUM CORPORATION | $29.00 |
| MIMEDX GROUP, INC. | $18.65 |
| HARTMANN USA, INC. | $14.02 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Undersea And Hyperbaric Medicine (CMS)
- Taxonomy code
- 2083P0011X
- Enumeration date
- Mar 27, 2017
- Record updated
- Oct 3, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D
Reported taxonomies and licenses
207PE0005X
License reported: 70439-20 WI
207Q00000X
License reported: 26680 NV
2083P0011X · Primary
License reported: 70439 WI
2083P0011X
License reported: 26680 NV
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
945 N 12Th StMilwaukee, WI 53233-1305
- Phone
- (414) 219-2000
Mailing address
PO BOX 735044CHICAGO, IL 606735044
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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