EXTREME ENVIRONMENTAL MEDICINE, LLC
NPI 1699321703
Preventive Medicine - Undersea and Hyperbaric Medicine in Kenner, LA
About Extreme Environmental Medicine, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EXTREME ENVIRONMENTAL MEDICINE, LLC (NPI 1699321703) is a healthcare organization registered as an undersea and hyperbaric medicine in Kenner, Louisiana and active in the NPI registry since August 2019. The organization maintains a secondary practice location in Marrero and lists Micah W. Siegel, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Extreme Environmental Medicine, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Extreme Environmental Medicine, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (8)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Extreme Environmental Medicine, LLC's NPI number?
The NPI number for Extreme Environmental Medicine, LLC is 1699321703. It was assigned to this organization in the NPPES registry on August 14, 2019.
Where is Extreme Environmental Medicine, LLC located?
Extreme Environmental Medicine, LLC is located at 180 W Esplanade Ave Ste 108, Kenner, LA 70065. The listed phone number is (504) 464-8686.
What is Extreme Environmental Medicine, LLC's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.
Is Extreme Environmental Medicine, LLC enrolled in Medicare?
Yes. Extreme Environmental Medicine, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Extreme Environmental Medicine, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 4 Medicare specialties reassign their Medicare billing to Extreme Environmental Medicine, LLC. A 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 the clinician's services. The largest specialties are Emergency Medicine (4), Undersea and Hyperbaric Medicine (2) and Anesthesiology (1). Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Extreme Environmental Medicine, LLC accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Extreme Environmental Medicine, LLC 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.
When was this NPI record last updated?
The NPPES record for Extreme Environmental Medicine, LLC was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Extreme Environmental Medicine, Llc · NPI 1699321703
Undersea and Hyperbaric Medicine organization in Kenner, Louisiana. Organization record, active in the CMS NPPES registry since August 14, 2019.
## Identity
- **NPI:** 1699321703 (Entity type: Organization)
- **Enumerated:** August 14, 2019
- **Primary specialty:** Preventive Medicine - Undersea and Hyperbaric Medicine · taxonomy 2083P0011X
- **Organization subpart:** No
- **Authorized official:** Micah Siegel, OWNER
## Practice location
- **Address:** 180 W ESPLANADE AVE STE 108, Kenner, LA 70065-2467
- **Phone:** (504) 464-8686
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 8 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (4), Undersea and Hyperbaric Medicine (2), Anesthesiology (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 19, 2026
- **Other identifiers:** Medicaid 1447541941 (NJ); Medicaid 1699321703 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1699321703) · Data from the CMS NPPES public registry.