Vivian Wing-Yan Chan, MD
Hospitalist Physician · West Hollywood, CA
Vivian Wing-Yan Chan, MD is a hospitalist physician with a practice address in West Hollywood, California, and NPI 1427637628, issued on Apr 5, 2021. Check the license (California A184114, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vivian Wing-Yan Chan
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A184114 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8700 Beverly Blvd # B220, West Hollywood, CA 90048
- Phone
- (310) 423-5252
- Enumerated
- Apr 5, 2021
- Record last updated
- Sep 6, 2024
- Fax
- (310) 423-8441
- Medicare enrollment
- Enrolled (PECOS I20240918001279); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 8700 Beverly Blvd # B220
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Vivian Wing-Yan Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A184114Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average hospitalist physician in 2024
45 Medicare Part D claims for 15 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $124.69
1 payment: food and beverage; the largest payer was Harmony Biosciences LLC. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vivian Wing-Yan Chan among 3,099 hospitalist physician records in California
Vivian Wing-Yan Chan, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2021 · median 2010 among the 2,505 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 hospitalist physician records list a practice address in West Hollywood
They are 99 of the 2,619 NPPES records with a practice address in West Hollywood, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in West Hollywood → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Afshin Afrashteh, MDLos Angeles, CA 900481346402989
- Mark Choi, M.D.Los Angeles, CA 900481124287354
- Shahida Farooqi, M.D.West Hollywood, CA 900481568622520
- Prabhu Gounder, M.D.West Hollywood, CA 900481508963893
- Gary Gutkin, M.D.West Hollywood, CA 900481366636573
- Denise JungWest Hollywood, CA 900481013179399
- Lowell Korman, M.D.West Hollywood, CA 900481912113309
- Jae Lee, M.D.Los Angeles, CA 900481073614079
Common questions
What is Vivian Wing-Yan Chan, MD's NPI number?
Vivian Wing-Yan Chan, MD's National Provider Identifier (NPI) is 1427637628, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Vivian Wing-Yan Chan, MD located?
The NPPES record lists a practice address at 8700 Beverly Blvd # B220, West Hollywood, CA, 90048. Phone: (310) 423-5252. Providers update this record themselves, so call before visiting.
How can I verify Vivian Wing-Yan Chan, MD's license?
NPPES lists California license number A184114, 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 Vivian Wing-Yan Chan, MD prescribe under Medicare Part D?
In 2024, Vivian Wing-Yan Chan, MD had 45 Medicare Part D claims for 15 beneficiaries; the average among hospitalist physician prescribers was 521. 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.