DR. CLAYTON A. SMITH MD, FASA
NPI 1801851894
Anesthesiology in Sacramento, CA
About Dr. Clayton A. Smith Md, Fasa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLAYTON A. SMITH MD, FASA (NPI 1801851894) is an individual anesthesiology provider in Sacramento, California, licensed in California (C160925) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2005).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Clayton A. Smith Md, Fasa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Clayton Smith reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95821
- Reassigned Medicare billing, California enrollment
- 167 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Sutter Valley Medical Foundation
- Also billed through NPI 1972877264 (California), NPI 1457593980 (California), NPI 1467825844 (California), NPI 1346615150 (California)
- 3,056 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Lakeport, CA 95453
- Reassigned Medicare billing, California enrollment
- 19 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
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 Clayton Smith's NPI number?
The NPI number for Clayton Smith is 1801851894. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Clayton Smith located?
Clayton Smith practices at 3315 Watt Ave, Sacramento, CA 95821. The listed phone number is (800) 642-6040.
What is Clayton Smith's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Clayton Smith enrolled in Medicare?
Yes. Clayton Smith is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Clayton Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Smith reassigns Medicare benefits to 4 organizations: Central Anesthesia Service Exchange Medical Group, Inc. (Sacramento, CA), Sutter Medical Foundation (Sacramento, CA), Permanente Medical Group Inc (Stockton, CA) and Progressive Anesthesia Consultants Of California (Lakeport, 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 Clayton Smith'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 Clayton Smith was last updated on April 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Clayton A. Smith, MD, FASA · NPI 1801851894
Anesthesiology physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since April 20, 2006.
## Identity
- **NPI:** 1801851894 (Entity type: Individual)
- **Enumerated:** April 20, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** C160925 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3315 WATT AVE, Sacramento, CA 95821-3600
- **Phone:** (800) 642-6040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Central Anesthesia Service Exchange Medical Group, Inc. (NPI 1194826404, Sacramento, CA); Sutter Medical Foundation (NPI 1942524095, Sacramento, CA); Permanente Medical Group Inc (NPI 1548343510, Stockton, CA); Progressive Anesthesia Consultants Of California (NPI 1558925610, Lakeport, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2005
## Record status
- **NPPES last updated:** April 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801851894) · Data from the CMS NPPES public registry.