Chengyu Xu, M.D.
Endocrinology, Diabetes & Metabolism Physician · Daly City, CA
Chengyu Xu, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Daly City, California, and NPI 1669600086, issued on Jun 24, 2009. Check the license (California A121215, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chengyu Xu
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A121215 CA
Self-reported in NPPES; status is on the state search - Practice location
- 386 Gellert Blvd, Daly City, CA 94015
- Phone
- (650) 761-3500
- Enumerated
- Jun 24, 2009
- Record last updated
- Jan 4, 2022
- Fax
- (650) 761-3580
- Medicare enrollment
- Enrolled (PECOS I20140516000268); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 386 Gellert Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vivian Cheng, FNP-BCNurse Practitioner1881477263
- Jiaqun Chiu, NPPrimary Care Nurse Practitioner1700513090
- Jennifer Tran, FNPFamily Nurse Practitioner1689031346
- Icarus TsangClinical Psychologist1669825675
Verify Chengyu Xu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
5,340 Medicare Part D claims for 780 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Jardiance593 claims
- Metformin Hcl590 claims
- Farxiga365 claims
- Levothyroxine Sodium315 claims
- Tradjenta230 claims
- Ulticare Pen Needle178 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).
Bills Medicare through 2 group practices
- Chinese Hospital AssociationSan Francisco, CA
- Permanente Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chengyu Xu among 1,131 endocrinology, diabetes & metabolism physician records in California
Chengyu Xu, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1996 · median 2003 among the 779 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Daly City → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Helen Lau, MDDaly City, CA 940151235452871
- Tyler Aguinaldo, MDBurlingame, CA 940101306811906
- Sumbul Beg, M.D.Burlingame, CA 940101437127560
- Jennifer Chu, M.D.Burlingame, CA 940101760829493
- David Klonoff, M.D.Burlingame, CA 940101306882949
- Olga Senashova, MDBurlingame, CA 940101578730438
- Yun Ying Shi, MDBurlingame, CA 940101861833899
- William Zigrang, M.D.Burlingame, CA 940101821002783
Common questions
What is Chengyu Xu, M.D.'s NPI number?
Chengyu Xu, M.D.'s National Provider Identifier (NPI) is 1669600086, issued on Jun 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Chengyu Xu, M.D. located?
The NPPES record lists a practice address at 386 Gellert Blvd, Daly City, CA, 94015. Phone: (650) 761-3500. Providers update this record themselves, so call before visiting.
How can I verify Chengyu Xu, M.D.'s license?
NPPES lists California license number A121215, 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 Chengyu Xu, M.D. prescribe under Medicare Part D?
In 2024, Chengyu Xu, M.D. had 5,340 Medicare Part D claims for 780 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Chengyu Xu, 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.