MB ANESTHESIOLOGY LLC
NPI 1003640442
Nurse Anesthetist, Certified Registered in Mesa, AZ
About Mb Anesthesiology Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MB ANESTHESIOLOGY LLC (NPI 1003640442) is a healthcare organization registered as a nurse anesthetist, certified registered in Mesa, Arizona and active in the NPI registry since August 2024. The organization lists Marshall B Bergen, Sole Mbr, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mb Anesthesiology Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mb Anesthesiology LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Mb Anesthesiology LLC's NPI number?
The NPI number for Mb Anesthesiology LLC is 1003640442. It was assigned to this organization in the NPPES registry on August 28, 2024.
Where is Mb Anesthesiology LLC located?
Mb Anesthesiology LLC is located at 20 W 1st St Ste 201, Mesa, AZ 85201. The listed phone number is (480) 874-7014.
What is Mb Anesthesiology LLC's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mb Anesthesiology LLC enrolled in Medicare?
Yes. Mb Anesthesiology LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mb Anesthesiology LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Certified Registered Nurse Anesthetist (CRNA)) reassigns their Medicare billing to Mb Anesthesiology 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mb Anesthesiology LLC was last updated on August 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Mb Anesthesiology Llc · NPI 1003640442
Nurse Anesthetist, Certified Registered organization in Mesa, Arizona. Organization record, active in the CMS NPPES registry since August 28, 2024.
## Identity
- **NPI:** 1003640442 (Entity type: Organization)
- **Enumerated:** August 28, 2024
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **Organization subpart:** No
- **Authorized official:** Marshall Bergen, SOLE MBR
## Practice location
- **Address:** 20 W 1ST ST STE 201, Mesa, AZ 85201-6653
- **Phone:** (480) 874-7014 · **Fax:** (480) 874-7015
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Certified Registered Nurse Anesthetist (CRNA)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003640442) · Data from the CMS NPPES public registry.