NPPES file of Aug 9, 2026

Clayton Lavalley

Anatomic Pathology & Clinical Pathology Physician · Sacramento, CA

Clayton Lavalley is an anatomic pathology & clinical pathology physician with a practice address in Sacramento, California, and NPI 1487017224, issued on Mar 30, 2016. Check the license (California A173945, 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
1487017224
Name
Clayton Lavalley
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A173945 CA
Self-reported in NPPES; status is on the state search
Practice location
4400 V St, Sacramento, CA 95817
Phone
(916) 734-2350
Enumerated
Mar 30, 2016
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(916) 734-6468
Medicare enrollment
Enrolled (PECOS I20231023003368); accepts Medicare assignment
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 4400 V St

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

  1. Alaa Afify, M.D.Anatomic Pathology & Clinical Pathology Physician1245212950
  2. Ashna Aggarwal, MDAnatomic Pathology Physician1235624362
  3. Naoki Akanuma, MD PHDAnatomic Pathology Physician1881222974
  4. Nada Al QaysiAnatomic Pathology & Clinical Pathology Physician1376076406
  5. Sarah Barnhard, MDBlood Banking & Transfusion Medicine Physician1598082711
  6. Tatyana Berezenko, MDStudent in an Organized Health Care Education/Training Program1780828244

Verify Clayton Lavalley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A173945
    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 one group practice

  1. Regents OF The Univ OF CASacramento, CA

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

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

Other anatomic pathology & clinical pathology physician records in California

  1. Sophie Aalaei, M.D.San Diego, CA1558454207
  2. Abdul Majeed Abid, MBBS, MDClovis, CA1578055414
  3. Ronnie Abraham, MDSan Luis Obispo, CA1124254933
  4. Joline Abrahams, M.D.Palm Springs, CA1679567366
  5. Guillermo Acero, MDOjai, CA1629144373
  6. Dennis Adams, M.D.Stanford, CA1053726182
  7. Alaa Afify, M.D.Sacramento, CA1245212950
  8. Ali Afsari, M.D.Orange, CA1275064362
  9. Mukesh AgarwalColton, CA1154901056
  10. Maryam Aghighi, MDSanta Rosa, CA1073074977

Common questions

What is Clayton Lavalley's NPI number?

Clayton Lavalley's National Provider Identifier (NPI) is 1487017224, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Lavalley located?

The NPPES record lists a practice address at 4400 V St, Sacramento, CA, 95817. Phone: (916) 734-2350. Providers update this record themselves, so call before visiting.

How can I verify Clayton Lavalley's license?

NPPES lists California license number A173945, 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.