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

Dr. Joan Barbara Gerbasi, MD

Individual provider Forensic Psychiatry Physician · NPI 1912108473

Dr. Joan Barbara Gerbasi, MD is a Psychiatry in Davis, California. Graduated from University of California, San Francisco School of Medicine in 1996, 30 years ago. Practices with Montefiore Medical Center, a 2,796-clinician group. Licensed in California.

Years since qualifying
30
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
2
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

423 E St
Davis, CA 95616-4132
Phone: (530) 753-4636
Fax: (530) 753-4655
Show map & directions

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

Specialties & licences

Forensic Psychiatry Physician (primary) Taxonomy 2084F0202X · Licence A64664 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence A64664 (CA)

Record details

NPI number1912108473
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 30, 2007
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Montefiore Medical Center — 2796 clinicians
Accepts Medicare assignment Not indicated