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

B Melissa Derfler, MD

Individual provider Psychiatry Physician · NPI 1053472373

B Melissa Derfler, MD is a Psychiatry Physician in Arroyo Grande, California. Practices as a sole proprietor. Licensed in California.

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

1057 Grand Ave
Arroyo Grande, CA 93420-2504
Phone: (805) 481-7220
Fax: (805) 938-0257
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G57007 (CA)

Record details

NPI number1053472373
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 12, 2006
Last updated in NPPESJuly 10, 2007
Mailing address170 Vista Cir, Arroyo Grande, CA 93420-1619

Other providers in Arroyo Grande