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

Dr. James Roy Doyle, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1811085756

Dr. James Roy Doyle, MD is an Orthopaedic Hand Surgery Physician in St Helena, California. Licensed in California. Registered with an NPI since 2006.

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

1030 Main St Ste 206
St Helena, CA 94574
Phone: (707) 968-0800
Fax: (707) 968-0847
Show map & directions

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

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence A18570 (CA)

Record details

NPI number1811085756
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2006
Last updated in NPPESJuly 8, 2007