Doctor profile · Federal record
Dr. Amy Zhu, MD
Gastroenterology Physician (CMS: Gastroenterology) · Portland, OR
- NPI 1033379862
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1111 Ne 99Th Ave
Portland, OR 972209428
(503) 963-2707
fax (503) 963-2802 - Additional location
-
9300 Se 91St Ave Ste 300
Happy Valley, OR 970863762 - Mailing address
-
541 Ne 20Th Ave Ste 225
Portland, OR 972322895
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- December 3, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Oregon #MD151122
- Medicaid (2)
- OR #500648506 · WA #1033379862
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033379862. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
135
Distinct HCPCS
6
Medicare allowed
$15,933
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 50 | 31 | $37 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 24 | 24 | $243 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 18 | 18 | $158 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 15 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 11 | $131 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 12 | 12 | $166 |
In context: peer comparison
Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$646
Transactions
7
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 2 | $250.23 | |
| Lilly USA, LLC | 1 | $121.88 | |
| Abbvie INC. | 2 | $120.51 | |
| Celltrion USA INC. | 1 | $120.00 | |
| Ferring Pharmaceuticals INC. | 1 | $33.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
210
Patients
75
Total drug cost
$31,243
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 63 | 62 | $1,223 |
| Omeprazole | Generic | 45 | 13 | $617 |
| Pantoprazole Sodium | Generic | 21 | 0 | $124 |
| Mesalamine | Generic | 16 | 0 | $7,724 |
| Sulfasalazine | Generic | 15 | 0 | $893 |
| Linzess (Linaclotide) | Brand | 14 | 0 | $13,600 |
| Amitriptyline Hcl | Generic | 13 | 0 | $124 |
| Budesonide Dr (Budesonide) | Brand | 12 | 0 | $1,954 |
| Flovent Hfa (Fluticasone Propionate) | Brand | 11 | 0 | $4,984 |
Frequently asked questions
What is Dr. Amy Zhu's medical specialty?
Dr. Amy Zhu practices Gastroenterology Physician in Portland, OR.
Where does Dr. Amy Zhu practice?
Dr. Amy Zhu practices at 1111 Ne 99Th Ave, Portland, OR 972209428. Office phone: 5039632707.
What is Dr. Amy Zhu's NPI?
Dr. Amy Zhu's National Provider Identifier (NPI) is 1033379862, issued by NPPES.
Does Dr. Amy Zhu accept Medicare assignment?
Yes. Dr. Amy Zhu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Zhu commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.