Sierra Outpatient Anesthesia Inc
NPI 1821036146 · Certified Registered Nurse Anesthetist · Grass Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierra Outpatient Anesthesia Inc is a Certified Registered Nurse Anesthetist organization in Grass Valley, CA (NPI 1821036146).
Provider details
- NPI number
- 1821036146
- Entity type
- Organization
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Rebecca Seijas-Ball, President(530) 271-2282
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (4)
- 1420 E Roseville Pkwy Ste 100Roseville, CA 95661-3080Phone: (916) 677-2488Fax: (916) 677-2496
- 2801 K St Ste 525Sacramento, CA 95816-5120Phone: (916) 733-5017Fax: (916) 733-8738
- 460 Plumas Blvd Ste 202Yuba City, CA 95991-5005Phone: (530) 749-5500Fax: (530) 749-5520
- 455 Plumas BlvdYuba City, CA 95991-5074Phone: (530) 749-5700Fax: (530) 749-5720
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Sierra Outpatient Anesthesia Inc's NPI number?
- Sierra Outpatient Anesthesia Inc's National Provider Identifier (NPI) is 1821036146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sierra Outpatient Anesthesia Inc?
- Sierra Outpatient Anesthesia Inc is classified in the NPPES registry as Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sierra Outpatient Anesthesia Inc located?
- Sierra Outpatient Anesthesia Inc's practice location on file with NPPES is 408 Sierra College Dr, Grass Valley, CA 95945-5089.
- What is Sierra Outpatient Anesthesia Inc's phone number?
- The practice phone number listed in the NPPES registry for Sierra Outpatient Anesthesia Inc is (530) 271-2282.
- Does Sierra Outpatient Anesthesia Inc accept Medicare?
- Sierra Outpatient Anesthesia Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sierra Outpatient Anesthesia Inc?
- The authorized official listed on Sierra Outpatient Anesthesia Inc's NPPES record is Rebecca Seijas-Ball, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sierra Outpatient Anesthesia Inc's NPI active?
- Yes — Sierra Outpatient Anesthesia Inc's NPI (1821036146) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.