Lynda Lee Kay, M.D.
Family Medicine Physician · Union City, CA
Lynda Lee Kay, M.D. is a family medicine physician with a practice address in Union City, California, and NPI 1740320183, issued on Feb 7, 2007. Check the license (California A52407, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lynda Lee Kay
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A52407 CA
Self-reported in NPPES; status is on the state search - Practice location
- 33560 Alvarado Niles RD, Union City, CA 94587
- Phone
- (510) 489-8700
- Enumerated
- Feb 7, 2007
- Record last updated
- Aug 19, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 33560 Alvarado Niles RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lynda Lee Kay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A52407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
107 Medicare Part D claims for 36 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium20 claims
- Amlodipine Besylate12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Lynda Lee Kay among 17,133 family medicine physician records in California
Lynda Lee Kay, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2008 · 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).
19 family medicine physician records list a practice address in Union City
They are 19 of the 1,006 NPPES records with a practice address in Union City, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Union City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Antonina Bondyasheva, M.D.Union City, CA 945871194982462
- Rudolph Chang, D.O.Union City, CA 945871376835595
- Matthew Eisley, M.D.Union City, CA 945871689810483
- Kawalpreet Manku, M.D.Union City, CA 945871851406466
- Abraham Mohmand, M.D.Union City, CA 945871982995494
- Diana Mokaya, M.D.Union City, CA 945871023458528
- Son Lam Nguyen, D.O.Union City, CA 945871093851768
- Tam Nguyen, M.D.Union City, CA 945871093929697
Common questions
What is Lynda Lee Kay, M.D.'s NPI number?
Lynda Lee Kay, M.D.'s National Provider Identifier (NPI) is 1740320183, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lynda Lee Kay, M.D. located?
The NPPES record lists a practice address at 33560 Alvarado Niles RD, Union City, CA, 94587. Phone: (510) 489-8700. Providers update this record themselves, so call before visiting.
How can I verify Lynda Lee Kay, M.D.'s license?
NPPES lists California license number A52407, 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 Lynda Lee Kay, M.D. prescribe under Medicare Part D?
In 2024, Lynda Lee Kay, M.D. had 107 Medicare Part D claims for 36 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Lynda Lee Kay, M.D.'s MIPS final score?
The 2023 MIPS final score is 99 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.