SONORA ANESTHESIA SERVICES A MEDICAL GROUP INC
NPI 1265481105
Anesthesiology in Sonora, CA
About Sonora Anesthesia Services A Medical Group Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SONORA ANESTHESIA SERVICES A MEDICAL GROUP INC (NPI 1265481105) is a healthcare organization registered as an anesthesiology in Sonora, California and active in the NPI registry since May 2006. The organization lists Todd William Christensen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sonora Anesthesia Services A Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
31Medicare enrollment records show 31 clinicians reassign Medicare billing to Sonora Anesthesia Services A Medical Group Inc, which bills Medicare for the services they deliver. Of these, 8 practice at this address. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 31Source: 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 Sonora Anesthesia Services A Medical Group Inc's NPI number?
The NPI number for Sonora Anesthesia Services A Medical Group Inc is 1265481105. It was assigned to this organization in the NPPES registry on May 9, 2006.
Where is Sonora Anesthesia Services A Medical Group Inc located?
Sonora Anesthesia Services A Medical Group Inc is located at 1000 Greenley Rd, Sonora, CA 95370. The listed phone number is (209) 536-3514.
What is Sonora Anesthesia Services A Medical Group Inc's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sonora Anesthesia Services A Medical Group Inc enrolled in Medicare?
Yes. Sonora Anesthesia Services A Medical Group Inc is registered in the Medicare PECOS enrollment system.
When is Sonora Anesthesia Services A Medical Group Inc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Sonora Anesthesia Services A Medical Group Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 31 clinicians in 2 Medicare specialties reassign their Medicare billing to Sonora Anesthesia Services A Medical Group 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. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (21) and Anesthesiology (10). Of these, 8 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 Sonora Anesthesia Services A Medical Group Inc was last updated on September 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Sonora Anesthesia Services A Medical Group Inc · NPI 1265481105
Anesthesiology organization in Sonora, California. Organization record, active in the CMS NPPES registry since May 9, 2006.
## Identity
- **NPI:** 1265481105 (Entity type: Organization)
- **Enumerated:** May 9, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Organization subpart:** No
- **Authorized official:** Todd Christensen, PRESIDENT
## Practice location
- **Address:** 1000 GREENLEY RD, Sonora, CA 95370-5200
- **Phone:** (209) 536-3514
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 31 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (21), Anesthesiology (10); 8 practice at this address; [full list](https://npiprofile.com/npi/1265481105/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 24, 2015
- **Other identifiers:** Medicare PIN MMM00301M (CA); Medicaid GR0059870 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1265481105) · Data from the CMS NPPES public registry.