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

Dr. Mark Winston Brown, MD

Individual provider Specialist · NPI 1982663050

Dr. Mark Winston Brown, MD is a Specialist in Tustin, 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

18102 Irvine Blvd
Tustin, CA 92780-3423
Phone: (714) 508-4123
Fax: (714) 508-4134
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence G35526 (CA)

Record details

NPI number1982663050
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2006
Last updated in NPPESJuly 13, 2026
Mailing address10602 Grove Oak Dr, Santa Ana, CA 92705-2589

Other providers in Tustin