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Chelsea Xu, MD

Gastroenterology · Palo Alto

NPI 1841797149

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
2
2 carriers
Offices
2

Offices

2 locations · 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. Xu’s office 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

$19,026

Medicare paid this office $19,026 for 90 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 snare30$7,180$239
New patient visit (45+ min)28$4,264$152
Return visit (30+ min)12$1,494$115
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope14$1,365$98
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 monito41$198$5

Procedures Medicare counted

Procedure volume Medicare published
Colonoscopy37More than 58% of doctors who do this
Upper gastrointestinal (GI) endoscopy for acid reflux53More than 64% of doctors who do this

Who their Medicare patients are

90 Original Medicare patients in 2024. Average age 75 · Women 66% · Health risk score 0.86. At or below the middle of the specialty; the typical gastroenterology clinician is at 1.42.

Conditions among them: High blood pressure 52% · Diabetes 20% · Coronary heart disease 19% · Atrial fibrillation 17% · Chronic kidney disease 16% · Depression 14% · Cancer 12%.

The office billed $157,430, Medicare allowed $23,297 and paid $19,026; for 166 services of 16 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

$5,409

Pharmacies billed $5,409 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 84) in 2024. At or below the middle of the specialty; the typical gastroenterology clinician is at 0%.

66 generic and 18 brand-name prescriptions · $5,409 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 Sulf34$2,416$71

Year by year

Part D prescribing by year
202484630% (0)21%$5,409
202364320% (0)None$20,002
20224629NoneNone$11,534

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 2 drugs

Part D drugs prescribed in 2023
Omeprazole15$200$13
Famotidine13$189$15

Money from drug and device companies

$703 in 2025

Industry payments by year
2025621None$703
202411None$93
202311None$150
202211None$148

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
Lilly USAOmvoh$309
8 payments
  • Meals for Omvoh · 2025-10-22 · $24
  • Meals for Omvoh · 2025-09-10 · $11
  • Meals for Omvoh · 2025-06-24 · $33
  • Meals for Omvoh · 2025-05-28 · $32
  • Meals for Omvoh · 2025-05-01 · $125
  • Meals for Omvoh · 2025-04-28 · $35
  • Meals for Omvoh · 2025-04-01 · $35
  • Meals for Omvoh · 2025-03-06 · $14
Janssen BiotechTremfya$194
8 payments
  • Meals for Tremfya · 2025-10-29 · $37
  • 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 · 2025-07-01 · $20
  • Meals for Tremfya · 2025-04-08 · $23
  • Meals for Tremfya · 2025-03-12 · $20
GenzymeDupixent$123
1 payment
  • Meals for Dupixent · 2025-08-20 · $123
AbbvieRinvoq$44
2 payments
  • Meals for Rinvoq · 2025-05-09 · $28
  • Meals for Rinvoq · 2025-04-10 · $16
Micro-tech Endoscopy USALockado$19
1 payment
  • Meals for Lockado · 2025-10-04 · $19
ConmedConmed Biliary$14
1 payment
  • Meals for Conmed Biliary · 2025-10-04 · $14
See all 21 published payments
Every published payment
Janssen BiotechMeals · 2025-10-29Tremfya$37
Lilly USAMeals · 2025-10-22Omvoh$24
Janssen BiotechMeals · 2025-10-13Tremfya$19
Micro-tech Endoscopy USAMeals · 2025-10-04Lockado$19
ConmedMeals · 2025-10-04Conmed Biliary$14
Lilly USAMeals · 2025-09-10Omvoh$11
Janssen BiotechMeals · 2025-09-09Tremfya$32
GenzymeMeals · 2025-08-20Dupixent$123
Janssen BiotechMeals · 2025-08-13Tremfya$22
Janssen BiotechMeals · 2025-07-29Tremfya$22
Janssen BiotechMeals · 2025-07-01Tremfya$20
Lilly USAMeals · 2025-06-24Omvoh$33
Lilly USAMeals · 2025-05-28Omvoh$32
AbbvieMeals · 2025-05-09Rinvoq$28
Lilly USAMeals · 2025-05-01Omvoh$125
Lilly USAMeals · 2025-04-28Omvoh$35
AbbvieMeals · 2025-04-10Rinvoq$16
Janssen BiotechMeals · 2025-04-08Tremfya$23
Lilly USAMeals · 2025-04-01Omvoh$35
Janssen BiotechMeals · 2025-03-12Tremfya$20
Lilly USAMeals · 2025-03-06Omvoh$14
See earlier years (2024, 2023, 2022)

2024: $93

Payments by company in 2024
Takeda Pharmaceuticals U.S.A.Eohilia$93
1 payment
  • Meals for Eohilia · 2024-05-19 · $93

2023: $150

Payments by company in 2023
GenzymeNone$150
1 payment
  • Meals · 2023-09-27 · $150

2022: $148

Payments by company in 2022
AbbVieSkyrizi$148
1 payment
  • Meals for Skyrizi · 2022-11-10 · $148

Professional record

NPI
1841797149
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207RG0100X (207RG0100X)
Mailing address
795 El Camino Real, Palo Alto, CA, 94301
NPI first listed
2018-04-12
NPI last updated
2025-10-29
NPI record certified
2025-10-29

This is when the NPI record was last certified, not a medical board exam.