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

Dr. Mario John Malvarosa, MD

Individual provider Addiction Medicine (Internal Medicine) Physician · NPI 1700926466

Dr. Mario John Malvarosa, MD is an Addiction Medicine (Internal Medicine) Physician in Fishkill, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
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 Partly verified

Some contact details are missing from the federal record.

Red Schoolhouse Rd
Fishkill, NY 12524
Phone: (845) 831-6600
Fax: (845) 831-0685
Show map & directions

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

Specialties & licences

Addiction Medicine (Internal Medicine) Physician (primary) Taxonomy 207RA0401X · Licence 166672 (NY)

Record details

NPI number1700926466
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2007
Last updated in NPPESJuly 8, 2007
Mailing address3 Lomala Rd, Hopewell Junction, NY 12533-5719