Amy Yu, MD
Gastroenterology · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 2
- 2 carriers
- Office
- 1
Offices
1 location · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Plans that list them
2 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Yu’s office at (415) 600-1020 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
2 of 2 plans
| Alignment Health Sutter Advantage +More (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
Original Medicare doctor bills
$10,672
Medicare paid this office $10,672 for 57 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 14 | $3,343 | $239 |
| New patient visit (45+ min) | 22 | $3,337 | $152 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 20 | $87 | $4 |
Procedures Medicare counted
| Colonoscopy | 12 | More than 42% of doctors who do this |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 24 | More than 53% of doctors who do this |
Who their Medicare patients are
57 Original Medicare patients in 2024. Average age 75 · Women 53% · Health risk score 0.67. At or below the middle of the specialty; the typical gastroenterology clinician is at 1.42.
Conditions among them: High blood pressure 40%.
The office billed $82,516, Medicare allowed $13,166 and paid $10,672; for 87 services of 13 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Drugs they prescribed that Part D paid
$162,025
Pharmacies billed $162,025 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 56) in 2024. At or below the middle of the specialty; the typical gastroenterology clinician is at 0%.
41 generic and 15 brand-name prescriptions · $162,025 in drug cost.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Sod Sulf-Potass Sulf-Mag Sulf | 14 | $780 | $56 |
| Omeprazole | 11 | $236 | $21 |
Year by year
| 2024 | 56 | 34 | 0% (0) | 27% | $162,025 |
| 2023 | 45 | 24 | 0% (0) | 31% | $15,321 |
| 2022 | 33 | 21 | 0% (0) | None | $13,038 |
| 2021 | 170 | 35 | None | None | $22,146 |
| 2020 | 286 | 55 | None | 13% | $26,946 |
| 2019 | 294 | 50 | None | None | $24,568 |
| 2018 | 46 | 11 | 0% (0) | None | $2,950 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 1 drug
| Omeprazole | 11 | $139 | $13 |
2021: 3 drugs
| Jardiance | 11 | $8,354 | $759 |
| Omeprazole | 13 | $211 | $16 |
| Atorvastatin | 18 | $206 | $11 |
2020: 7 drugs
| Metoprolol | 12 | $950 | $79 |
| Diphenoxylate-Atropine | 11 | $390 | $35 |
| Omeprazole | 18 | $291 | $16 |
| Gabapentin | 13 | $247 | $19 |
| Atorvastatin | 14 | $162 | $12 |
| Lisinopril | 15 | $159 | $11 |
| Atenolol | 11 | $98 | $9 |
2019: 5 drugs
| Omeprazole | 14 | $420 | $30 |
| Diphenoxylate-Atropine | 12 | $332 | $28 |
| Lisinopril | 22 | $174 | $8 |
| Simvastatin | 16 | $163 | $10 |
| Hydrochlorothiazide | 11 | $43 | $4 |
Money from drug and device companies
$199 in 2025
| 2025 | 2 | 7 | None | $199 |
| 2024 | 2 | 2 | None | $194 |
| 2023 | 1 | 1 | None | $128 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Janssen Biotech | Tremfya | $136 | 5 payments
|
| Lilly USA | Omvoh | $64 | 2 payments
|
See all 7 published payments
| Janssen Biotech | Meals · 2025-10-13 | Tremfya | $19 |
| Janssen Biotech | Meals · 2025-09-09 | Tremfya | $32 |
| Janssen Biotech | Meals · 2025-08-13 | Tremfya | $22 |
| Lilly USA | Meals · 2025-08-05 | Omvoh | $29 |
| Janssen Biotech | Meals · 2025-07-29 | Tremfya | $22 |
| Lilly USA | Meals · 2025-07-14 | Omvoh | $35 |
| Janssen Biotech | Meals · 2025-06-17 | Tremfya | $41 |
See earlier years (2024, 2023)
2024: $194
| Janssen Biotech | Tremfya | $122 | 1 payment
|
| Genzyme | None | $72 | 1 payment
|
2023: $128
| AbbVie | Rinvoq | $128 | 1 payment
|
Professional record
- NPI
- 1720570328
- Licence
- MA 276219
- Trained
- Harvard Medical School, 2018
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Internal medicine (207R00000X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2018-05-31
- NPI last updated
- 2024-09-24
- NPI record certified
- 2024-09-24
This is when the NPI record was last certified, not a medical board exam.