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Amy Yu, MD

Gastroenterology · Palo Alto

NPI 1720570328

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

Looking this up.

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

Plans whose provider directory lists this clinician
Alignment Health Sutter Advantage +More (HMO)Alignment Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 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.

Largest Original Medicare bills
Removal of polyps or growths of large bowel using an endoscope with mechanical snare14$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 monito20$87$4

Procedures Medicare counted

Procedure volume Medicare published
Colonoscopy12More than 42% of doctors who do this
Upper gastrointestinal (GI) endoscopy for acid reflux24More 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.

Largest Part D drug costs
Sod Sulf-Potass Sulf-Mag Sulf14$780$56
Omeprazole11$236$21

Year by year

Part D prescribing by year
202456340% (0)27%$162,025
202345240% (0)31%$15,321
202233210% (0)None$13,038
202117035NoneNone$22,146
202028655None13%$26,946
201929450NoneNone$24,568
201846110% (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

Part D drugs prescribed in 2023
Omeprazole11$139$13

2021: 3 drugs

Part D drugs prescribed in 2021
Jardiance11$8,354$759
Omeprazole13$211$16
Atorvastatin18$206$11

2020: 7 drugs

Part D drugs prescribed in 2020
Metoprolol12$950$79
Diphenoxylate-Atropine11$390$35
Omeprazole18$291$16
Gabapentin13$247$19
Atorvastatin14$162$12
Lisinopril15$159$11
Atenolol11$98$9

2019: 5 drugs

Part D drugs prescribed in 2019
Omeprazole14$420$30
Diphenoxylate-Atropine12$332$28
Lisinopril22$174$8
Simvastatin16$163$10
Hydrochlorothiazide11$43$4

Money from drug and device companies

$199 in 2025

Industry payments by year
202527None$199
202422None$194
202311None$128

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Janssen BiotechTremfya$136
5 payments
  • Meals for Tremfya · 2025-10-13 · $19
  • Meals for Tremfya · 2025-09-09 · $32
  • Meals for Tremfya · 2025-08-13 · $22
  • Meals for Tremfya · 2025-07-29 · $22
  • Meals for Tremfya · 2025-06-17 · $41
Lilly USAOmvoh$64
2 payments
  • Meals for Omvoh · 2025-08-05 · $29
  • Meals for Omvoh · 2025-07-14 · $35
See all 7 published payments
Every published payment
Janssen BiotechMeals · 2025-10-13Tremfya$19
Janssen BiotechMeals · 2025-09-09Tremfya$32
Janssen BiotechMeals · 2025-08-13Tremfya$22
Lilly USAMeals · 2025-08-05Omvoh$29
Janssen BiotechMeals · 2025-07-29Tremfya$22
Lilly USAMeals · 2025-07-14Omvoh$35
Janssen BiotechMeals · 2025-06-17Tremfya$41
See earlier years (2024, 2023)

2024: $194

Payments by company in 2024
Janssen BiotechTremfya$122
1 payment
  • Meals for Tremfya · 2024-10-17 · $122
GenzymeNone$72
1 payment
  • Meals · 2024-03-26 · $72

2023: $128

Payments by company in 2023
AbbVieRinvoq$128
1 payment
  • Meals for Rinvoq · 2023-01-25 · $128

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.