Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark M. Youssef, MD

Individual provider Emergency Medicine Physician · NPI 1235188400

Mark M. Youssef, MD is an Emergency Medicine Physician in Victorville, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

15248 11th St Emergency Dept
Victorville, CA 92395-3704
Phone: (760) 245-8691
Fax: (760) 843-6020
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A49793 (CA)

Record details

NPI number1235188400
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2006
Last updated in NPPESJanuary 8, 2009

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