NPPES file of Aug 9, 2026

Clayton A. Smith, MD, FASA

Anesthesiology Physician · Sacramento, CA

Clayton A. Smith, MD, FASA is an anesthesiology physician with a practice address in Sacramento, California, and NPI 1801851894, issued on Apr 20, 2006. Check the license (California C160925, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801851894
Name
Clayton A. Smith
Credential
MD, FASA
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
C160925 CA
75655 AZ
036174226 IL
13086 NV
MD60215639 WA
and 1 more
Self-reported in NPPES; status is on the state search
Practice location
3315 Watt Ave, Sacramento, CA 95821
Phone
(800) 642-6040
Enumerated
Apr 20, 2006
Record last updated
Apr 22, 2025
Medicare enrollment
Enrolled (PECOS I20191002001572); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3315 Watt Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Farikh AliAnesthesiology Physician1053871251
  2. James Allen, M.D.Anesthesiology Physician1639162100
  3. Conrad Arnold, M.D.Anesthesiology Physician1710970223
  4. Maninder Atwal, M.D.Anesthesiology Physician1578556080
  5. Jorge AvilaAnesthesiology Physician1558879452
  6. Sebastian AyalaAnesthesiology Physician1699273052

Verify Clayton A. Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C160925
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 3 group practices

  1. Central Anesthesia Service Exchange Medical Group IncSacramento, CA
  2. Progressive Anesthesia Consultants OF CaliforniaLakeport, CA
  3. Sutter Valley Medical FoundationBrownsville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clayton A. Smith among 7,571 anesthesiology physician records in California

Clayton A. Smith, MD, FASA is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2005 · median 2006 among the 4,868 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

396 anesthesiology physician records list a practice address in Sacramento

They are 396 of the 33,083 NPPES records with a practice address in Sacramento, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Lawrence Bercutt, M.D.Sacramento, CA 958211982604765
  2. Lai Bui, M.D.Sacramento, CA 958211073506861
  3. Robert Devoe, M.D.Sacramento, CA 958211366442147
  4. Edward Gunz, M.D.Sacramento, CA 958211508866393
  5. Dayle Imperato, M.D.Sacramento, CA 958211740280668
  6. Gary Leopold, M.D.Sacramento, CA 958211295735520
  7. James Lourim, M.D.Sacramento, CA 958211306846886
  8. Gregory Miller, M.D.Sacramento, CA 958211740280577

Common questions

What is Clayton A. Smith, MD, FASA's NPI number?

Clayton A. Smith, MD, FASA's National Provider Identifier (NPI) is 1801851894, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Clayton A. Smith, MD, FASA located?

The NPPES record lists a practice address at 3315 Watt Ave, Sacramento, CA, 95821. Phone: (800) 642-6040. Providers update this record themselves, so call before visiting.

How can I verify Clayton A. Smith, MD, FASA's license?

NPPES lists California license number C160925, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.