Grace Chen Yu, MD
Family Medicine Physician · San Jose, CA
Grace Chen Yu, MD is a family medicine physician with a practice address in San Jose, California, and NPI 1902982580, issued on Oct 27, 2006. Check the license (California A91089, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Chen Yu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A91089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 455 Oconnor Dr Ste 210, San Jose, CA 95128
- Phone
- (408) 995-5453
- Enumerated
- Oct 27, 2006
- Record last updated
- Oct 17, 2023
- Fax
- (408) 275-9442
- Medicare enrollment
- Enrolled (PECOS I20081114000292); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 455 Oconnor Dr Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Chen Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
380 Medicare Part D claims for 50 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate26 claims
- Atorvastatin Calcium21 claims
- Metformin Hcl11 claims
- Trazodone Hcl11 claims
- Trulicity11 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
- University Healthcare AllianceSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Chen Yu among 17,133 family medicine physician records in California
Grace Chen Yu, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Madhavi Chenumalla, MDSan Jose, CA 951281225122849
- Michael Henehan, DOSan Jose, CA 951281053497685
- Suneetha Devi Jagarlamudi, M.D.San Jose, CA 951281205862588
- Dhanu Kapoor, M.DSan Jose, CA 951281942212758
- George Kent, MDSan Jose, CA 951281861456246
- Heideh Khalilnejadi, MDSan Jose, CA 951281528022852
- Arnold Leff, MDSan Jose, CA 951281326004730
- Surekha Manohar, MDSan Jose, CA 951281235195900
Common questions
What is Grace Chen Yu, MD's NPI number?
Grace Chen Yu, MD's National Provider Identifier (NPI) is 1902982580, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace Chen Yu, MD located?
The NPPES record lists a practice address at 455 Oconnor Dr Ste 210, San Jose, CA, 95128. Phone: (408) 995-5453. Providers update this record themselves, so call before visiting.
How can I verify Grace Chen Yu, MD's license?
NPPES lists California license number A91089, 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 Grace Chen Yu, MD prescribe under Medicare Part D?
In 2024, Grace Chen Yu, MD had 380 Medicare Part D claims for 50 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.