Mark Magdy Youssef, MD
Surgery Physician · Santa Monica, CA
Mark Magdy Youssef, MD is a surgery physician with a practice address in Santa Monica, California, and NPI 1225200637, issued on Mar 25, 2008. Check the license (California A77473, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Magdy Youssef
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A77473 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1551 Ocean Ave, Santa Monica, CA 90401
- Phone
- (310) 434-0044
- Enumerated
- Mar 25, 2008
- Record last updated
- Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 434-0099
- Medicare enrollment
- Enrolled (PECOS I20041012001459); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 1551 Ocean Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Alexander, PHDFamily Psychologist1831316959
- Carl Kugel, M.A., M.F.T.Marriage & Family Therapist1881855070
- Michele YacsoMedical Physician Assistant1174931679
Verify Mark Magdy Youssef in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average surgery physician in 2024
50 Medicare Part D claims for 18 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Cephalexin13 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.
Industry payments in 2024: $9,439.58
14 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
Other surgery physician records in California
- Miriam Abaunza, M.D.Los Angeles, CA1538470778
- Hana Abdirahman, MDTemecula, CA1265288112
- Sherwin Abdoli, MDPetaluma, CA1508386442
- Mhdshafic Abdulkarim, MDOrange, CA1750174249
- Sarah Abdulla, M.D.Baldwin Park, CA1699200840
- Shoko Abe, M.D.Berkeley, CA1609178136
- Stuart Abel, M.D.Los Angeles, CA1750761516
- Elliot Abemayor, MDLos Angeles, CA1972527414
- Marc Abi Karam, MD, MSPalo Alto, CA1437846508
- Ali Abidali, DOGlendora, CA1861888794
Common questions
What is Mark Magdy Youssef, MD's NPI number?
Mark Magdy Youssef, MD's National Provider Identifier (NPI) is 1225200637, issued on Mar 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Magdy Youssef, MD located?
The NPPES record lists a practice address at 1551 Ocean Ave, Santa Monica, CA, 90401. Phone: (310) 434-0044. Providers update this record themselves, so call before visiting.
How can I verify Mark Magdy Youssef, MD's license?
NPPES lists California license number A77473, 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 Mark Magdy Youssef, MD prescribe under Medicare Part D?
In 2024, Mark Magdy Youssef, MD had 50 Medicare Part D claims for 18 beneficiaries; the average among surgery physician prescribers was 147. 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.