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

Gary E. Marsh, MD

Individual provider Cardiovascular Disease Physician · NPI 1639116296

Gary E. Marsh, MD is a Cardiovascular Disease Physician in Downey, 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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

9040 Telegraph Rd
Downey, CA 90240-2393
Phone: (562) 861-0954
Fax: (562) 231-1904
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A20613 (CA)

Record details

NPI number1639116296
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 1, 2006
Last updated in NPPESJuly 29, 2011
Mailing addressDept La 23039, Pasadena, CA 91185-3039

Other providers in Downey