Wendy Marie Simon, M.D.
Hospitalist Physician · Los Angeles, CA
Wendy Marie Simon, M.D. is a hospitalist physician with a practice address in Los Angeles, California, and NPI 1922278464, issued on Mar 11, 2008. Check the license (California A97709, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wendy Marie Simon
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A97709 CA
Self-reported in NPPES; status is on the state search - Practice location
- 757 Westwood Plz Ste 7501, Los Angeles, CA 90095
- Phone
- (310) 267-9643
- Enumerated
- Mar 11, 2008
- Record last updated
- Feb 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 00A977090 CA
- Medicare enrollment
- Enrolled (PECOS I20081118000657); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 757 Westwood Plz Ste 7501
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohammad Alghussein, M.DHospitalist Physician1255780185
Verify Wendy Marie Simon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average hospitalist physician in 2024
20 Medicare Part D claims, 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 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 one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Marie Simon among 3,099 hospitalist physician records in California
Wendy Marie Simon, M.D. 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 2008, is newer than 34% of them.
- NPI issued2008 · 34% of these records are older, 61% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2005 · median 2010 among the 2,505 with a school on file
- Record last updated2017 · 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).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Los Angeles → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Nasim Afsarmanesh, MDLos Angeles, CA 900951447455449
- Ashley Busuttil, MDLos Angeles, CA 900951629022314
- Neveen El-Farra, MDLos Angeles, CA 900951881629509
- Edward Ha, M.D.Los Angeles, CA 900951285818518
- Estebes Hernandez, M.D.Los Angeles, CA 900951982877056
- Angela Kleiber, M.D., RD, CNSDLos Angeles, CA 900951285790899
- Michael Lazarus, MDLos Angeles, CA 900951689693582
- Edward Lee, M.D.Los Angeles, CA 900951376784447
Common questions
What is Wendy Marie Simon, M.D.'s NPI number?
Wendy Marie Simon, M.D.'s National Provider Identifier (NPI) is 1922278464, issued on Mar 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Marie Simon, M.D. located?
The NPPES record lists a practice address at 757 Westwood Plz Ste 7501, Los Angeles, CA, 90095. Phone: (310) 267-9643. Providers update this record themselves, so call before visiting.
How can I verify Wendy Marie Simon, M.D.'s license?
NPPES lists California license number A97709, 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 Wendy Marie Simon, M.D. prescribe under Medicare Part D?
In 2024, Wendy Marie Simon, M.D. had 20 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Wendy Marie Simon, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.