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Gastroenterology

Vivian Ussui, MD

Works at hospitals in Longmont, CO · Fort Morgan, CO · Colorado

Summary

Vivian Ussui, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Longmont, CO and Fort Morgan, CO. NPI 1124479837. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Vivian Ussui, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
FemaleGender (as listed)
Catholic Health Initiatives ColoradoGroup practice

Quick answers

Which hospitals does Vivian Ussui work at?
Medicare's official clinician data lists Vivian Ussui at 2 hospitals: Longmont United Hospital and St Elizabeth Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Vivian Ussui see patients?
Medicare's clinician data lists 5 practice locations, including Fort Morgan, CO, Longmont, CO and Woodland Park, CO. Call before your visit to confirm the address.
What is Vivian Ussui's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Vivian Ussui accept Medicare assignment?
Yes. Medicare's clinician data says Vivian Ussui accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Vivian Ussui offer telehealth?
Medicare's clinician data says Vivian Ussui offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Vivian Ussui?
(970) 867-6430, as listed in official Medicare / NPI Registry data.
What is Vivian Ussui's NPI number?
1124479837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Vivian Ussui works

Medicare's Facility Affiliation Data lists Vivian Ussui at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Vivian Ussui is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1000 Lincoln StFort Morgan, CO 80701
  • 1000 Lincoln St 207 Neuro, Centura Neurology Ft MorganFort Morgan, CO 80701 (970) 867‑6430
  • 1950 Mountain View AveLongmont, CO 80501
  • 2030 Mountain View AveLongmont, CO 80501
  • 41 State Hwy 67Woodland Park, CO 80863

Group practices

Medicare enrollment lists Vivian Ussui as a member of this group (CMS data updated 2026-10-02).

  • Catholic Health Initiatives Colorado1,225 clinicians in the group

Specialties

Find other Gastroenterology doctors in Colorado →

Other gastroenterologists in Colorado

Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.

All gastroenterologists in Colorado →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124479837
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians