NPPES file of Aug 9, 2026

Marc L. Mendes, M.D.

Emergency Medicine Physician · Simi Valley, CA

Marc L. Mendes, M.D. is an emergency medicine physician with a practice address in Simi Valley, California, and NPI 1093758666, issued on Jun 13, 2006. Check the license (California A78160, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093758666
Name
Marc L. Mendes
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A78160 CA
Self-reported in NPPES; status is on the state search
Practice location
2975 Sycamore Dr, Simi Valley, CA 93065
Phone
(805) 955-6101
Enumerated
Jun 13, 2006
Record last updated
Jul 4, 2010 (not updated in 16 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2975 Sycamore Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Acquarelli, M.D.Diagnostic Radiology Physician1477502300
  2. Armen BabakhanyanNurse Practitioner1518505197
  3. Andrew Bourgeois, M.D.Emergency Medicine Physician1891992095
  4. Yuvraj Brar, MDInternal Medicine Physician1215590989
  5. Lorraine Burke, MS, RDRegistered Dietitian1770966129
  6. Jennifer Christeson, LCSWClinical Social Worker1881856235

Verify Marc L. Mendes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78160
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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76% more Medicare Part D claims than the average emergency medicine physician in 2024

397 Medicare Part D claims for 222 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 84 claims were for opioids.

  1. Marc Mendes397
  2. Specialty average226

Most prescribed

  1. Ibuprofen75 claims
  2. Tramadol Hcl53 claims
  3. Ondansetron Odt50 claims
  4. Cephalexin48 claims
  5. Albuterol Sulfate Hfa25 claims
  6. Azithromycin24 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 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.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Marc L. Mendes among 7,751 emergency medicine physician records in California

Marc L. Mendes, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2010 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 emergency medicine physician records list a practice address in Simi Valley

They are 13 of the 1,397 NPPES records with a practice address in Simi Valley, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Andrew Bourgeois, M.D.Simi Valley, CA 930651891992095
  2. Hossein Gharakhani, D.O.Simi Valley, CA 930651902844525
  3. Anthony Ho, D.O.Simi Valley, CA 930651518293943
  4. Laura Leistiko, M.D.Simi Valley, CA 930651508810185
  5. Daniel McGinn, DOSimi Valley, CA 930651508964628
  6. Afomia Mesfin, MDSimi Valley, CA 930651417578212
  7. Joyce Norman, M.D.Simi Valley, CA 930651043252059
  8. Kelsey Schrage, DOSimi Valley, CA 930651285213892

Common questions

What is Marc L. Mendes, M.D.'s NPI number?

Marc L. Mendes, M.D.'s National Provider Identifier (NPI) is 1093758666, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc L. Mendes, M.D. located?

The NPPES record lists a practice address at 2975 Sycamore Dr, Simi Valley, CA, 93065. Phone: (805) 955-6101. Providers update this record themselves, so call before visiting.

How can I verify Marc L. Mendes, M.D.'s license?

NPPES lists California license number A78160, 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 Marc L. Mendes, M.D. prescribe under Medicare Part D?

In 2024, Marc L. Mendes, M.D. had 397 Medicare Part D claims for 222 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Marc L. Mendes, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.6 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.