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

Vivian Ussui, MD

Individual provider Internal Medicine Physician · NPI 1124479837

Vivian Ussui, MD is a Gastroenterology in Denver, Colorado. Qualified in 2001, 25 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Florida.

Years since qualifying
25
Licensed in
CO, FL
In the registry since
2016
Specialties on file
2
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

1400 Jackson St
Denver, CO 80206-2761
Phone: (303) 388-4461
Fax: (303) 398-1211
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (2)

  • 2030 Mountain View Ave Ste 200, Longmont, CO 80501-3180 — (720) 652-8650
  • 4300 Alton Rd, Miami, FL 33140-2948 — (305) 674-2053

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence DR.0066049 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence TRN21927 (FL)

Record details

NPI number1124479837
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 23, 2016
Last updated in NPPESMay 9, 2025
Certification dateMay 9, 2025
Mailing address1400 Jackson St, Denver, CO 80206-2761

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in Denver