DR. ALEXEI BIRGER M.D.
NPI 1962691576
Anesthesiology in Portland, OR
About Dr. Alexei Birger M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXEI BIRGER M.D. (NPI 1962691576) is an individual anesthesiology provider in Portland, Oregon, licensed in California (A99858) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Wake Forest University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Alexei Birger M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Alexei Birger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alexei Birger's NPI number?
The NPI number for Alexei Birger is 1962691576. It was assigned to this individual provider in the NPPES registry on October 19, 2007.
Where is Alexei Birger located?
Alexei Birger practices at 707 SW Washington St Ste 700, Portland, OR 97205. The listed phone number is (503) 299-9906.
What is Alexei Birger's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alexei Birger enrolled in Medicare?
Yes. Alexei Birger is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alexei Birger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexei Birger reassigns Medicare benefits to 2 organizations: Cep America - Anesthesia PC (Redding, CA) and John Muir Trauma Physicians Billing Service (Walnut Creek, CA). Each 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 Alexei Birger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexei Birger was last updated on January 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.