NPPES file of Aug 9, 2026

Cho Cho Lay, MD

Family Medicine Physician · Pleasanton, CA

Cho Cho Lay, MD is a family medicine physician with a practice address in Pleasanton, California, and NPI 1982681524, issued on Dec 26, 2005. Check the license (California A88327, 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
1982681524
Name
Cho Cho Lay
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A88327 CA
Self-reported in NPPES; status is on the state search
Practice location
5925 W Las Positas Blvd, Pleasanton, CA 94588
Phone
(925) 462-1755
Enumerated
Dec 26, 2005
Record last updated
Sep 26, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110622000659); 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 5925 W Las Positas Blvd

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

  1. Upama BaruaInternal Medicine Physician1952613036
  2. Reshma Gandhi, M.D.Family Medicine Physician1265748602
  3. Cecille Guarino, NURSE PRACTITIONERWomen's Health Nurse Practitioner1902862196
  4. Priyanka KallemAdolescent Medicine (Family Medicine) Physician1417114067
  5. Laura Lavelle, F.N.P.Family Nurse Practitioner1629383435
  6. Dawnell Moody, D.O.Pediatrics Physician1144431750

Verify Cho Cho 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 A88327
    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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83% fewer Medicare Part D claims than the average family medicine physician in 2024

601 Medicare Part D claims for 63 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Cho Cho Lay601
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium125 claims
  2. Amlodipine Besylate77 claims
  3. Metformin Hcl44 claims
  4. Losartan Potassium37 claims
  5. Alendronate Sodium35 claims
  6. Lisinopril25 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Axis Community Health IncPleasanton, CA

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

Cho Cho Lay among 17,133 family medicine physician records in California

Cho Cho Lay, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1996 · median 2005 among the 10,652 with a school on file
  • Record last updated2016 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 family medicine physician records list a practice address in Pleasanton

They are 42 of the 2,213 NPPES records with a practice address in Pleasanton, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jennifer Candelaria, MDPleasanton, CA 945881093934713
  2. Patricia Carter, M.D.Pleasanton, CA 945881952336968
  3. Leyla Gahrahmat, M.D.Pleasanton, CA 945881023199890
  4. Madhu Gupta, M.D.Pleasanton, CA 945881265628473
  5. Susan Hsu, M.D.Pleasanton, CA 945881679631634
  6. Meghana Kasetty, MDPleasanton, CA 945881063421592
  7. Jonathan Lim, MDPleasanton, CA 945881124028733
  8. John Louie, M.D.Pleasanton, CA 945881508866740

Common questions

What is Cho Cho Lay, MD's NPI number?

Cho Cho Lay, MD's National Provider Identifier (NPI) is 1982681524, issued on Dec 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Cho Cho Lay, MD located?

The NPPES record lists a practice address at 5925 W Las Positas Blvd, Pleasanton, CA, 94588. Phone: (925) 462-1755. Providers update this record themselves, so call before visiting.

How can I verify Cho Cho Lay, MD's license?

NPPES lists California license number A88327, 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.

How much does Cho Cho Lay, MD prescribe under Medicare Part D?

In 2024, Cho Cho Lay, MD had 601 Medicare Part D claims for 63 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.