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

Merrill A Chandler, MD

Individual provider Emergency Medicine Physician · NPI 1508847237

Merrill A Chandler, MD is an Emergency Medicine Physician in Castro Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
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

20103 Lake Chabot Rd
Castro Valley, CA 94546-5341
Phone: (209) 342-2300
Fax: (209) 524-4240
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G50134 (CA)

Record details

NPI number1508847237
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 9, 2005
Last updated in NPPESJuly 17, 2007
Mailing address4301 Northstar Way, Modesto, CA 95356-9262

Other providers in Castro Valley