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

Dr. Mason Sidney Shamis, MD

Individual provider Family Medicine Physician · NPI 1003075151

Dr. Mason Sidney Shamis, MD is a Family Medicine Physician in Fort Collins, Colorado. Licensed in Colorado. Registered with an NPI since 2008.

Licensed in
CO
In the registry since
2008
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

2121 E Harmony Rd Ste 370
Fort Collins, CO 80528-3400
Phone: (970) 221-2290
Fax: (970) 221-2293
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 47000 (CO)

Record details

NPI number1003075151
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2008
Last updated in NPPESNovember 3, 2014
Mailing address3702 Automation Way, Suite 103, Fort Collins, CO 80525-5737

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