SIERRA OUTPATIENT ANESTHESIA INC
NPI 1821036146
Nurse Anesthetist, Certified Registered in Grass Valley, CA
About Sierra Outpatient Anesthesia Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA OUTPATIENT ANESTHESIA INC (NPI 1821036146) is a healthcare organization registered as a nurse anesthetist, certified registered in Grass Valley, California and active in the NPI registry since June 2006. The organization maintains 4 additional practice locations and lists Rebecca Seijas-ball, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
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)
Sierra Outpatient Anesthesia Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Sierra Outpatient Anesthesia Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (5)
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 Sierra Outpatient Anesthesia Inc's NPI number?
The NPI number for Sierra Outpatient Anesthesia Inc is 1821036146. It was assigned to this organization in the NPPES registry on June 2, 2006.
Where is Sierra Outpatient Anesthesia Inc located?
Sierra Outpatient Anesthesia Inc is located at 408 Sierra College Dr, Grass Valley, CA 95945. The listed phone number is (530) 271-2282.
What is Sierra Outpatient Anesthesia Inc's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sierra Outpatient Anesthesia Inc enrolled in Medicare?
Yes. Sierra Outpatient Anesthesia Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sierra Outpatient Anesthesia Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Certified Registered Nurse Anesthetist (CRNA), reassign their Medicare billing to Sierra Outpatient Anesthesia Inc. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sierra Outpatient Anesthesia Inc was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.