Sierra Outpatient Anesthesia Inc

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

Legal business name

SIERRA OUTPATIENT ANESTHESIA INC

Practice address

408 Sierra College Dr
Grass Valley, CA 95945-5089

Phone

(530) 271-2282

Fax

(530) 271-2287

NPI assigned

Jun 2, 2006

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Ms. Rebecca Seijas-Ball, CRNANPI 1710217484

Title

President

Phone

(530) 271-2282

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Rebecca Ann Seijas-Ball, CRNA

  • Certified Registered Nurse Anesthetist
  • Grass Valley, CA
  • NPI 1710217484

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD Authorized official
• Amanda J Badgett, RN

  • Certified Registered Nurse Anesthetist
  • Marysville, CA
  • NPI 1558826461

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Deborah Fajans, CRNA

  • Certified Registered Nurse Anesthetist
  • Phoenix, AZ
  • NPI 1265754550

  CA, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Jennifer Giordano, CRNA

  • Certified Registered Nurse Anesthetist
  • Sarasota, FL
  • NPI 1972960425

  CA, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Jenna Helmus, RN, BSN, CCRN, SRNA

  • Certified Registered Nurse Anesthetist
  • Spokane, WA
  • NPI 1942832647

  CA, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754956800000",
    "number": "1821036146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34120",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895334120",
            "telephone_number": "877-747-5050",
            "fax_number": "877-747-5005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "408 SIERRA COLLEGE DR",
            "city": "GRASS VALLEY",
            "state": "CA",
            "postal_code": "959455089",
            "telephone_number": "530-271-2282",
            "fax_number": "530-271-2287"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "460 Plumas Blvd Ste 202",
            "address_purpose": "LOCATION",
            "city": "Yuba City",
            "state": "CA",
            "postal_code": "959915005",
            "country_code": "US",
            "telephone_number": "530-749-5500",
            "fax_number": "530-749-5520",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2801 K St Ste 525",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958165120",
            "country_code": "US",
            "telephone_number": "916-733-5017",
            "fax_number": "916-733-8738",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "455 Plumas Blvd",
            "address_purpose": "LOCATION",
            "city": "Yuba City",
            "state": "CA",
            "postal_code": "959915074",
            "country_code": "US",
            "telephone_number": "530-749-5700",
            "fax_number": "530-749-5720",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1420 E Roseville Pkwy Ste 100",
            "address_purpose": "LOCATION",
            "city": "Roseville",
            "state": "CA",
            "postal_code": "956613080",
            "country_code": "US",
            "telephone_number": "916-677-2488",
            "fax_number": "916-677-2496",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SIERRA OUTPATIENT ANESTHESIA INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-06-02",
        "last_updated": "2025-08-12",
        "certification_date": "2025-08-12",
        "status": "A",
        "authorized_official_last_name": "SEIJAS-BALL",
        "authorized_official_first_name": "REBECCA",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "530-271-2282",
        "authorized_official_name_prefix": "Ms.",
        "authorized_official_credential": "CRNA"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sierra Nevada Primary Care (Sierra Care Physicians)
• Sierra Nevada Primary Care (Sierra Care Physicians)
• Sierra Nevada Primary Care Physicians a Medical Corporation (Sierra Care Physicians, AMC)
• Sierra Nevada Urology Medical Associates, Inc.
• Sierra Oral & Maxillofacial Surgery, Inc
• Sierra Physical Therapy & Rehab Inc
• Sierra Physicians Inc.
• Sierra Radiation Oncology a Medical Corporation
• Sierra Sleep Diagnostics Inc.
• Sierra Summit Behavioral Health & Family Therapy a Professional Corpor (Sierra Summit Behavioral Health, PC)

• Certified Registered Nurse Anesthetist in Grass Valley, CA
• Providers in Grass Valley, CA by specialty
• Certified Registered Nurse Anesthetist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.