Sarah Wing-Yin Chiu, MD
Cardiovascular Disease Physician · Costa Mesa, CA
Sarah Wing-Yin Chiu, MD is a cardiovascular disease physician with a practice address in Costa Mesa, California, and NPI 1710446042, issued on Mar 16, 2019. Check the license (California A193528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Wing-Yin Chiu
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A193528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3080 Bristol St Ste 150, Costa Mesa, CA 92626
- Phone
- (714) 389-1846
- Enumerated
- Mar 16, 2019
- Record last updated
- Jun 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20220405000482); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Sarah Wing-Yin Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193528Check 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
83 Medicare Part D claims for 15 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Metoprolol Succinate12 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
- Pacific Cardiovascular Associates Medical Group, Inc.Laguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Wing-Yin Chiu among 2,574 cardiovascular disease physician records in California
Sarah Wing-Yin Chiu, MD 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 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 1999 among the 1,742 with a school on file
- Record last updated2025 · 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 Costa Mesa → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Sinjin Lee, M.D.Costa Mesa, CA 926261447292545
- Warren Strauss, MDCosta Mesa, CA 926261376709568
- Kenneth Wen, MDCosta Mesa, CA 926261003980822
- Joan Orlando, MDCorona Del Mar, CA 926251013940246
- Sooraj ShahCosta Mesa, CA 926271902041643
- James Zager, M.D.Corona Del Mar, CA 926251881847853
- Frank Rose, MDDana Point, CA 926291194889402
- John Camp, M.D.Irvine, CA 926201235154543
Common questions
What is Sarah Wing-Yin Chiu, MD's NPI number?
Sarah Wing-Yin Chiu, MD's National Provider Identifier (NPI) is 1710446042, issued on Mar 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Wing-Yin Chiu, MD located?
The NPPES record lists a practice address at 3080 Bristol St Ste 150, Costa Mesa, CA, 92626. Phone: (714) 389-1846. Providers update this record themselves, so call before visiting.
How can I verify Sarah Wing-Yin Chiu, MD's license?
NPPES lists California license number A193528, 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 Sarah Wing-Yin Chiu, MD prescribe under Medicare Part D?
In 2024, Sarah Wing-Yin Chiu, MD had 83 Medicare Part D claims for 15 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.