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

Dr. Joseph E Cassara, MD

Individual provider Gastroenterology Physician · NPI 1275755290

Dr. Joseph E Cassara, MD is a Gastroenterology in Lafayette, Colorado. Graduated from University of Vermont College of Medicine in 2001, 25 years ago. Practices with Boulder Valley Gastroenterology Inc, a 33-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
25
Trained at
University of Vermont College of Medicine
Licensed in
CO
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 W South Boulder Rd
Lafayette, CO 80026-2752
Phone: (303) 604-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 46321 (CO)

Record details

NPI number1275755290
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2007
Last updated in NPPESMarch 9, 2026
Certification dateMarch 9, 2026
Mailing address15539 W 75th Pl, Arvada, CO 80007-7957

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Boulder Valley Gastroenterology Inc. — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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