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

R. Ryan Platt, MD

Individual provider Interventional Cardiology Physician · NPI 1265430417

R. Ryan Platt, MD is an Interventional Cardiology Physician in Walnut Creek, California. Licensed in California. Registered with an NPI since 2005.

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

1399 Ygnacio Valley Rd 11
Walnut Creek, CA 94598-2884
Phone: (925) 937-1770
Fax: (925) 937-0630
Show map & directions

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

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence G26928 (CA)

Record details

NPI number1265430417
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESJuly 8, 2007
Mailing address1399 Ygnacio Valley Rd, 11, Walnut Creek, CA 94598-2884

Other providers in Walnut Creek