Doctor profile · Federal record
Dr. Iris Liou, MD
Gastroenterology Physician (CMS: Gastroenterology) · Transplant Hepatology Physician · Seattle, WA
- NPI 1427163542
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1959 Ne Pacific St
Seattle, WA 981956175
(206) 598-4377 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- June 5, 2013
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Washington #MD00042419
- Medicaid
- WA #1427163542
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427163542. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
222
Distinct HCPCS
5
Medicare allowed
$26,427
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 90 | 69 | $147 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 77 | 32 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 23 | $105 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 16 | $127 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $139 |
In context: peer comparison
Among 44 peers in Seattle Gastroenterology Physician, average services per provider: 39. This provider delivers 5.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
503
Patients
133
Total drug cost
$957,673
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tacrolimus | Generic | 217 | 79 | $27,583 |
| Mycophenolate Mofetil | Generic | 77 | 20 | $8,241 |
| Entecavir | Generic | 62 | 19 | $34,998 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 48 | 0 | $70,489 |
| Ursodiol | Generic | 33 | 15 | $7,846 |
| Lactulose | Generic | 20 | 0 | $379 |
| Prednisone | Generic | 18 | 0 | $125 |
| Cyclosporine Modified (Cyclosporine, Modified) | Brand | 16 | 0 | $2,534 |
| Livmarli (Maralixibat Chloride) | Brand | 12 | 0 | $805,478 |
Hospital affiliations
Frequently asked questions
What is Dr. Iris Liou's medical specialty?
Dr. Iris Liou practices Gastroenterology Physician in Seattle, WA.
Where does Dr. Iris Liou practice?
Dr. Iris Liou practices at 1959 Ne Pacific St, Seattle, WA 981956175. Office phone: 2065984377.
What is Dr. Iris Liou's NPI?
Dr. Iris Liou's National Provider Identifier (NPI) is 1427163542, issued by NPPES.
Does Dr. Iris Liou accept Medicare assignment?
Yes. Dr. Iris Liou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Iris Liou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.