Doctor profile · Federal record
Dr. Vivian Ussui, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Denver, CO
- NPI 1124479837
- Accepts Medicare
- 25 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1400 Jackson St
Denver, CO 802062761
(303) 388-4461
fax (303) 398-1211 - Additional location
-
4300 Alton RD
Miami, FL 331402948
(305) 674-2053 - Additional location
-
2030 Mountain View Ave Ste 200
Longmont, CO 805013180
(720) 652-8650
fax (720) 652-8655
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- May 9, 2025
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Colorado #DR.0066049 · Florida #TRN21927
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124479837. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
134
Distinct HCPCS
5
Medicare allowed
$18,499
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99205 |
New patient office or other outpatient visit, 60-74 minutes | 46 | 46 | $179 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 30 | $96 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 30 | 26 | $142 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $132 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $82 |
In context: peer comparison
Among 21 peers in Denver Gastroenterology Physician, average services per provider: 105. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$474
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $263.68 | |
| Phathom Pharmaceuticals, INC. | 1 | $123.06 | |
| Intuitive Surgical, INC. | 1 | $87.65 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
157
Patients
31
Total drug cost
$19,008
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 81 | 31 | $713 |
| Famotidine | Generic | 25 | 0 | $181 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 16 | 0 | $5,736 |
| Baclofen | Generic | 12 | 0 | $83 |
| Linzess (Linaclotide) | Brand | 12 | 0 | $12,145 |
| Pantoprazole Sodium | Generic | 11 | 0 | $151 |
Hospital affiliations
Frequently asked questions
What is Dr. Vivian Ussui's medical specialty?
Dr. Vivian Ussui practices Gastroenterology Physician in Denver, CO.
Where does Dr. Vivian Ussui practice?
Dr. Vivian Ussui practices at 1400 Jackson St, Denver, CO 802062761. Office phone: 3033884461.
What is Dr. Vivian Ussui's NPI?
Dr. Vivian Ussui's National Provider Identifier (NPI) is 1124479837, issued by NPPES.
Does Dr. Vivian Ussui accept Medicare assignment?
Yes. Dr. Vivian Ussui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vivian Ussui commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.