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Yan Jiang, MD

Gastroenterology · Stanford

NPI 1831585595

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
10
2 carriers
Office
1

Offices

1 location · Stanford Health Care · 3,152 clinicians in this group

Looking this up.

Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.

Plans that list them

10 plans · 2 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Jiang’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

10 of 10 plans

Plans whose provider directory lists this clinician
Alignment Health BreathEasy (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Clarity (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Harmony (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes CalPlus (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes Care (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Heart & Diabetes Choice (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Honor+ Plan (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health My Choice CalCare (HMO)Alignment Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A144060 · Current

Licensed to practise in California · since 2016 · expires 2028-01-31 · New York University School of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend it
    Overall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care

Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 the same, 4 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at Stanford Health Care
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.31 (4.24 to 6.37) · 8,661 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits14.1 (12.7 to 15.7) · 2,191 casesWorseJan 2024 – Dec 2024
Postoperative respiratory failure rateComplications and deaths4.08 (1.95 to 6.21) · 5,296 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.317BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.446BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.241BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.7 (0.6 to 0.9) · 3,348 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.06 (0.45 to 1.67) · 5,374 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.86 (0.72 to 1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths166.09 (137.88 to 194.3) · 470 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.1 · 192 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6.4 · 146 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.7 · 253 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.3 · 880 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 935 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 501 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.1 · 7,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.13 (0 to 0.27) · 20,799 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.14 to 0.43) · 23,182 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.94 (0.2 to 1.68) · 5,694 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.36 (1.54 to 3.19) · 7,846 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.2 (3.76 to 6.64) · 5,603 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.38 (0.23 to 2.53) · 2,211 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.52 (0.21 to 0.83) · 19,915 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.6 · 416 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.869No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.857No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.368No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16.2 · 247 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.5 · 1,021 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits47.8 · 258 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-1.6 · 990 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits20.8 · 976 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.5 · 959 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (4.4 to 6.2) · 2,191 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.1 · 425 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits9.6 · 158 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.6 · 183 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.7 (10.4 to 15.4) · 4,578 casesNo differentJan 2022 – Dec 2024

What patients said (6,810 patients answered, 25% of those asked)

Patient survey stars by topic at Stanford Health Care
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at Stanford Health Care
Room was "always" clean75%
Nurses "always" communicated well82%
Doctors "always" communicated well81%
Staff "always" explained63%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
Doctors "always" explained things so they could understand76%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)79%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night53%
"YES", patients would definitely recommend the hospital83%
Staff "always" explained possible side effects50%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$60,356

Medicare paid this office $60,356 for 306 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
New patient visit (45+ min)87$10,115$116
Return visit (30+ min)65$8,121$102
Removal of polyps or growths of large bowel using an endoscope with mechanical snare24$5,897$236
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope40$4,484$109
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes30$3,752$117
See all 14 services
Every Original Medicare service billed
New patient visit (45+ min)87$10,115$116
Return visit (30+ min)65$8,121$102
Removal of polyps or growths of large bowel using an endoscope with mechanical snare24$5,897$236
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope40$4,484$109
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes30$3,752$117
Long return visit (40+ min)21$3,568$155
Biopsy of large bowel using a flexible endoscope28$2,995$103
Initial hospital care with moderate level of medical decision making at least 75 minutes15$2,340$156
Short return visit (20+ min)30$2,084$69
Study of esophagus to assess movement33$1,972$58
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope17$1,673$93
Monitoring and recording of esophageal function through nasal tube with electrode33$1,487$44
Monitoring and recording of esophageal function through a capsule attached to the esophagus wall12$776$65
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 monito30$147$4

Procedures Medicare counted

Procedure volume Medicare published
Colonoscopy34More than 56% of doctors who do this
Upper gastrointestinal (GI) endoscopy for acid reflux82More than 73% of doctors who do this

Who their Medicare patients are

306 Original Medicare patients in 2024. Average age 73 · Under 65 10% · 85 and older 11% · Women 55% · Also on Medicaid 27% · Health risk score 1.71. Above the middle of the specialty; the typical gastroenterology clinician is at 1.42.

Conditions among them: High blood pressure 72% · Diabetes 30% · Coronary heart disease 30% · Chronic kidney disease 25% · Atrial fibrillation 23% · Depression 22% · Heart failure 21% · Cancer 20% · COPD 19% · Stroke 10% · Dementia 9%.

The office billed $654,145, Medicare allowed $78,655 and paid $60,356; for 626 services of 41 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.

Year by year

Original Medicare by year
2024306626731.71$654,145$60,356
2023137296711.56$305,153$26,840
2022152291681.97$238,142$25,082
20214268653.38$59,269$7,798

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 9 services

Original Medicare services billed in 2023
New patient visit (45+ min)50$5,617$112
Removal of polyps or growths of large bowel using an endoscope with mechanical snare16$3,577$224
Biopsy of large bowel using a flexible endoscope27$2,879$107
New patient visit (60+ min)13$2,078$160
Return visit (30+ min)16$1,997$87
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope18$1,781$99
Long return visit (40+ min)11$1,661$128
Monitoring and recording of esophageal function through nasal tube with electrode14$568$41
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 monito31$158$5

2022: 11 services

Original Medicare services billed in 2022
Removal of polyps or growths of large bowel using an endoscope with mechanical snare22$4,984$208
Biopsy of large bowel using a flexible endoscope42$4,048$90
New patient visit (60+ min)16$2,339$146
Return visit (30+ min)24$2,337$83
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope23$2,262$98
Long return visit (40+ min)12$1,497$125
Monitoring and recording of esophageal function through a capsule attached to the esophagus wall15$1,043$70
New patient visit (45+ min)12$977$81
Short return visit (20+ min)11$682$57
Measurement of hydrogen in breath to test for stomach and bowel symptoms19$159$8
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 monito21$105$4

Drugs they prescribed that Part D paid

$24,622

Pharmacies billed $24,622 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 253) in 2024. At or below the middle of the specialty; the typical gastroenterology clinician is at 0%.

194 generic and 59 brand-name prescriptions · $24,622 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
Linzess32$18,279$571
Esomeprazole Magnesium15$1,131$75
Omeprazole75$1,113$15
Peg 3350-Electrolyte33$594$18
Gavilyte-G22$339$15
See all 8 drugs
Every Part D drug this clinician prescribed
Linzess32$18,279$571
Esomeprazole Magnesium15$1,131$75
Omeprazole75$1,113$15
Peg 3350-Electrolyte33$594$18
Gavilyte-G22$339$15
Pantoprazole21$218$10
Peg-3350 and Electrolytes11$206$19
Famotidine21$102$5

Year by year

Part D prescribing by year
20242531230% (0)23%$24,622
2023154920% (0)16%$10,797
202285580% (0)25%$8,422
202122140% (0)None$2,826
202019None0% (0)None$4,128

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

See the drugs prescribed each year

2023: 5 drugs

Part D drugs prescribed in 2023
Linzess12$6,483$540
Peg 3350-Electrolyte30$669$22
Gavilyte-G26$530$20
Omeprazole36$458$13
Pantoprazole15$129$9

2022: 2 drugs

Part D drugs prescribed in 2022
Gavilyte-G25$383$15
Peg-3350 and Electrolytes16$203$13

Professional record

NPI
1831585595
Licence
CA A144060California A144060: Current · expires 2028-01-31
Trained
New York University School of Medicine, 2015
Video visits
Lists video visits
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207RG0100X (207RG0100X); Internal medicine (207R00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2015-04-09
NPI last updated
2024-04-26
NPI record certified
2024-04-26

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

This office lists an electronic records connection.