DR. SAMUEL CHAN M.D.
NPI 1043286974
Anesthesiology in Grass Valley, CA
About Dr. Samuel Chan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL CHAN M.D. (NPI 1043286974) is an individual anesthesiology provider in Grass Valley, California, licensed in California (A77916) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Samuel Chan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Samuel Chan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Anesthesia Services Of San Joaquin PC
- 217 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 176 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.
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.
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.
GRASS VALLEY, CA 95945
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 Samuel Chan's NPI number?
The NPI number for Samuel Chan is 1043286974. It was assigned to this individual provider in the NPPES registry on February 28, 2006.
Where is Samuel Chan located?
Samuel Chan practices at 155 Glasson Way, Grass Valley, CA 95945. The listed phone number is (530) 274-6000.
What is Samuel Chan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Samuel Chan enrolled in Medicare?
Yes. Samuel Chan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Samuel Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Chan reassigns Medicare benefits to 4 organizations: Cep America - Anesthesia PC (Grass Valley, CA), Permanente Medical Group Inc (Stockton, CA), Anesthesia Services Of San Joaquin, P.C. (French Camp, CA) and Premier Anesthesia Of California, PC (San Ramon, 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 Samuel Chan'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 Samuel Chan was last updated on October 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Samuel Chan, M.D. · NPI 1043286974
Anesthesiology physician in Grass Valley, California. Individual provider, active in the CMS NPPES registry since February 28, 2006.
## Identity
- **NPI:** 1043286974 (Entity type: Individual)
- **Enumerated:** February 28, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A77916 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 155 GLASSON WAY, Grass Valley, CA 95945-5723
- **Phone:** (530) 274-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Cep America - Anesthesia PC (NPI 1215413638, Grass Valley, CA); Permanente Medical Group Inc (NPI 1548343510, Stockton, CA); Anesthesia Services Of San Joaquin, P.C. (NPI 1366778227, French Camp, CA); Premier Anesthesia Of California, PC (NPI 1770691859, San Ramon, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 11, 2011
- **Other identifiers:** Medicare PIN FK019A (CA); Medicaid 00A779160 (CA); Medicare PIN P00474512 (CA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1043286974) · Data from the CMS NPPES public registry.