Katherine Yu, MD
Student in an Organized Health Care Education/Training Program · Martinez, CA
Katherine Yu, MD is a student in an organized health care education/training program with a practice address in Martinez, California, and NPI 1982389474, issued on Jun 21, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Yu
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5117
- Enumerated
- Jun 21, 2023
- Record last updated
- Jun 21, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Katherine Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
63 Medicare Part D claims for 27 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of 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.
Katherine Yu among 40,652 student in an organized health care education/training program records in California
Katherine Yu, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 42% of them.
- NPI issued2023 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
77 student in an organized health care education/training program records list a practice address in Martinez
They are 77 of the 1,816 NPPES records with a practice address in Martinez, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Martinez → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Elsie AriasMartinez, CA 945531427569805
- Kaya BelknapMartinez, CA 945531235544834
- Nathalie BoittinMartinez, CA 945531518384635
- Erica Dorfman, M.D.Martinez, CA 945531962817569
- Erik Gonzalez, M.D.Martinez, CA 945531447632898
- William Guerin, MDMartinez, CA 945531245760578
- Melissa HarlowMartinez, CA 945531902333891
- Thomas Jewell, M.A.Martinez, CA 945531568517647
Common questions
What is Katherine Yu, MD's NPI number?
Katherine Yu, MD's National Provider Identifier (NPI) is 1982389474, issued on Jun 21, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Yu, MD located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5117. Providers update this record themselves, so call before visiting.
How can I verify Katherine Yu, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Yu, MD prescribe under Medicare Part D?
In 2024, Katherine Yu, MD had 63 Medicare Part D claims for 27 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.