Willy Yung-Wei Chi, DO
Cardiovascular Disease Physician · Sacramento, CA
Willy Yung-Wei Chi, DO is a cardiovascular disease physician with a practice address in Sacramento, California, and NPI 1740212125, issued on Jul 7, 2006. Check the license (California 20A11367, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Willy Yung-Wei Chi
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 20A11367 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 3400, Sacramento, CA 95817
- Phone
- (916) 734-2028
- Enumerated
- Jul 7, 2006
- Record last updated
- Aug 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 1143120 LA
- Medicare enrollment
- Enrolled (PECOS I20110324000212); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 4860 Y St Ste 3400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Cadelina, NPAcute Care Nurse Practitioner1841832565
- Christina Chadwick, ACNP-CAcute Care Nurse Practitioner1720423304
- Mariam Kamyab, NPFamily Nurse Practitioner1235583360
- Colleen Lehr, FNPFamily Nurse Practitioner1881136984
- Amy Samolis, MS, AG-ACNP-BCAcute Care Nurse Practitioner1720456270
Verify Willy Yung-Wei Chi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11367Check 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 cardiovascular disease physician in 2024
106 Medicare Part D claims for 46 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.
Most prescribed
- Xarelto63 claims
- Eliquis15 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 2 group practices
- Regents OF The Univ OF CAFrench Camp, CA
- Regents OF The University OF CaliforniaFolsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Willy Yung-Wei Chi among 2,574 cardiovascular disease physician records in California
Willy Yung-Wei Chi, DO is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1997 · median 1999 among the 1,742 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Sacramento → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Ezra Amsterdam, M.D.Sacramento, CA 958171609857077
- Amogh Bhat, M.D.Sacramento, CA 958171316929490
- William Bommer, M.D.Sacramento, CA 958171326029794
- Lawrence Laslett, M.D.Sacramento, CA 958171225010069
- William Lewis, M.D.Sacramento, CA 958171942282801
- Reginald Low, M.D.Sacramento, CA 958171821070780
- Widchanun Praserthdam, M.D.Sacramento, CA 958171457333478
- Jason Rogers, M.D.Sacramento, CA 958171295717163
Common questions
What is Willy Yung-Wei Chi, DO's NPI number?
Willy Yung-Wei Chi, DO's National Provider Identifier (NPI) is 1740212125, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Willy Yung-Wei Chi, DO located?
The NPPES record lists a practice address at 4860 Y St Ste 3400, Sacramento, CA, 95817. Phone: (916) 734-2028. Providers update this record themselves, so call before visiting.
How can I verify Willy Yung-Wei Chi, DO's license?
NPPES lists California license number 20A11367, 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 Willy Yung-Wei Chi, DO prescribe under Medicare Part D?
In 2024, Willy Yung-Wei Chi, DO had 106 Medicare Part D claims for 46 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.