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

Mark Youssef MD Inc

Organization Family Medicine Physician · NPI 1912224189

Mark Youssef MD Inc is a Family Medicine Physician in Pasadena, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

275 S San Gabriel Blvd
Pasadena, CA 91107-4893
Phone: (626) 796-3552
Fax: (626) 796-3552
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A49793 (CA)

Record details

NPI number1912224189
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Youssef — President · (626) 796-3552
NPI enumeratedApril 28, 2010
Last updated in NPPESApril 28, 2010
Mailing address275 S San Gabriel Blvd, Pasadena, CA 91107-4893

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