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

Dr. Brian Leish, MD

Individual provider Family Medicine Physician · NPI 1417087073

Dr. Brian Leish, MD is a Family Practice in Laguna Hills, California. Graduated from University of California, Geffen School of Medicine in 1985, 41 years ago. Practices with Saddleback Medical Group Inc, a 28-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
41
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

24411 Health Center Dr Ste 460
Laguna Hills, CA 92653-3687
Phone: (949) 373-7799
Fax: (949) 334-8377
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G58832 (CA)

Record details

NPI number1417087073
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 6, 2007
Last updated in NPPESNovember 22, 2025
Certification dateNovember 22, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Saddleback Medical Group Inc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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