Sindy Hsin-Pen Wei-Mester, M.D., PH.D.
Diagnostic Radiology Physician · Los Angeles, CA
Sindy Hsin-Pen Wei-Mester, M.D., PH.D. is a diagnostic radiology physician with a practice address in Los Angeles, California, and NPI 1053548115, issued on Jun 16, 2009. Check the license (California A110550, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sindy Hsin-Pen Wei-Mester
- Credential
- M.D., PH.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A110550 CA
Self-reported in NPPES; status is on the state search - Practice location
- 757 Westwood Plz Ste 1501, Los Angeles, CA 90095
- Phone
- (310) 301-6800
- Enumerated
- Jun 16, 2009
- Record last updated
- Dec 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (310) 794-9035
- Medicaid ID
- 0A1105500 CA
- Medicare enrollment
- Enrolled (PECOS I20130529000101); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 757 Westwood Plz Ste 1501
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Douek, M.D.Vascular & Interventional Radiology Physician1043253255
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Verify Sindy Hsin-Pen Wei-Mester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Martin Luther King JR Community Medical FoundationCompton, CA
- Ucla Radiology Medical GroupThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sindy Hsin-Pen Wei-Mester among 4,500 diagnostic radiology physician records in California
Sindy Hsin-Pen Wei-Mester, M.D., PH.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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, 33% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2008 · median 2004 among the 3,130 with a school on file
- Record last updated2019 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Los Angeles → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Denise Aberle, MDLos Angeles, CA 900951053361501
- Azita Behrashi, MDLos Angeles, CA 900951285688010
- Maria Boechat, MDLos Angeles, CA 900951659320406
- Livia Bohman, MDLos Angeles, CA 900951912956756
- Deborah Bolton, NPLos Angeles, CA 900951033166392
- Nanette Debruhl, MDLos Angeles, CA 900951689625170
- Michael Fischer, M.D.Los Angeles, CA 900951740239060
- Richard Gold, MDLos Angeles, CA 900951588614655
Common questions
What is Sindy Hsin-Pen Wei-Mester, M.D., PH.D.'s NPI number?
Sindy Hsin-Pen Wei-Mester, M.D., PH.D.'s National Provider Identifier (NPI) is 1053548115, issued on Jun 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sindy Hsin-Pen Wei-Mester, M.D., PH.D. located?
The NPPES record lists a practice address at 757 Westwood Plz Ste 1501, Los Angeles, CA, 90095. Phone: (310) 301-6800. Providers update this record themselves, so call before visiting.
How can I verify Sindy Hsin-Pen Wei-Mester, M.D., PH.D.'s license?
NPPES lists California license number A110550, 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.
What is Sindy Hsin-Pen Wei-Mester, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100. 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.