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

Dr. Brian Randall Toy, MD

Individual provider Dermatopathology Physician · NPI 1720136823

Dr. Brian Randall Toy, MD is a Dermatology in Mission Viejo, California. Graduated from University of California, San Diego School of Medicine in 1999, 27 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
5
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

26732 Crown Valley Pkwy Ste 445
Mission Viejo, CA 92691-8522
Phone: (949) 364-6580
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A73051 (CA)
Dermatopathology Physician Taxonomy 207ND0900X · Licence A73051 (CA)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence A73051 (CA)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence A73051 (CA)
Pediatric Dermatology Physician Taxonomy 207NP0225X · Licence A73051 (CA)

Record details

NPI number1720136823
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 8, 2007
Last updated in NPPESAugust 25, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare