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

Mr. John A Mallery, MD

Individual provider Cardiovascular Disease Physician · NPI 1780664201

Mr. John A Mallery, MD is a Cardiovascular Disease Physician in Grass Valley, 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

150 Catherine Ln #D
Grass Valley, CA 95945
Phone: (530) 477-8358
Fax: (530) 477-2015
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 00G51106 (CA)

Record details

NPI number1780664201
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 19, 2006
Last updated in NPPESApril 22, 2010
Mailing address150 Catherine Lane, D, Grass Valley, CA 95945

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