NPPES file of Aug 9, 2026

Sophie A. Lay, MD

Pediatrics Physician · Vallejo, CA

Sophie A. Lay, MD is a pediatrics physician with a practice address in Vallejo, California, and NPI 1083647325, issued on Jul 9, 2006. Check the license (California AV5033, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083647325
Name
Sophie A. Lay
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
AV5033 CA
Self-reported in NPPES; status is on the state search
Practice location
2001 Springs RD, Vallejo, CA 94591
Phone
(707) 648-7337
Enumerated
Jul 9, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(707) 643-6907
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2001 Springs RD

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

  1. F Shanee MartinPediatrics Physician1962437350
  2. Alan SherPediatrics Physician1053346445

Verify Sophie A. Lay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license AV5033
    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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Industry payments in 2024: $185.47

7 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sophie Lay$185.47
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sophie A. Lay among 9,272 pediatrics physician records in California

Sophie A. Lay, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 pediatrics physician records list a practice address in Vallejo

They are 35 of the 2,836 NPPES records with a practice address in Vallejo, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. F Shanee MartinVallejo, CA 945911962437350
  2. Traihoa Nguyen, M.DVallejo, CA 945911164475307
  3. Alan SherVallejo, CA 945911053346445
  4. Gregory Baldwin, MDVallejo, CA 945901194828210
  5. Bonnie Hamilton, MDVallejo, CA 945901992883714
  6. Tami Hendriksz, D.O.Vallejo, CA 945901104099951
  7. Janie Lee, M.D.Vallejo, CA 945901992867584
  8. Philip Malouf, M.D.Vallejo, CA 945901588827067

Common questions

What is Sophie A. Lay, MD's NPI number?

Sophie A. Lay, MD's National Provider Identifier (NPI) is 1083647325, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sophie A. Lay, MD located?

The NPPES record lists a practice address at 2001 Springs RD, Vallejo, CA, 94591. Phone: (707) 648-7337. Providers update this record themselves, so call before visiting.

How can I verify Sophie A. Lay, MD's license?

NPPES lists California license number AV5033, 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.