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Allison Ching, PA

Physician Assistant · Stanford

NPI 1831730803

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

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

Looking this up.

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

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Allison Ching’s office at (650) 723-4000 to ask if they take your plan before you enroll.

Hospitals they work in

2 hospitals

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

  • Massachusetts General HospitalBoston, MAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Mass General Brigham, which runs 15 hospitals in 2 statesHome of Dana-Farber/Harvard Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 85% would definitely recommend it
    Overall rating: 5 of 5 starsBetter than the national rate — Postoperative hemorrhage or hematoma rate: 1.51 (0.72 to 2.29) · 9,851 cases, Jul 2022 – Jun 2024Better than the national rate — Postoperative respiratory failure rate: 7.3 (5.25 to 9.36) · 5,808 cases, Jul 2022 – Jun 2024Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.614, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.716, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.57, Oct 2024 – Sep 2025Better than the national rate — Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy: 3.8 (3.2 to 4.5) · 3,011 cases, Jan 2024 – Dec 2024Better than the national rate — Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies): 10.1 (8.6 to 11.9) · 10,145 cases, Jan 2022 – Dec 2024Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.8) · 3,940 cases, Jan 2024 – Dec 2024
  • 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 Massachusetts General Hospital

Behind the star rating — Deaths: 6 better, 2 the same, 0 worse of 8 measures. Safety: 4 better, 4 the same, 0 worse of 8 measures. Readmissions: 5 better, 2 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 Massachusetts General Hospital
Postoperative hemorrhage or hematoma rateComplications and deaths1.51 (0.72 to 2.29) · 9,851 casesBetterJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.3 (5.25 to 9.36) · 5,808 casesBetterJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.614BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.716BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.57BetterOct 2024 – Sep 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits3.8 (3.2 to 4.5) · 3,011 casesBetterJan 2024 – Dec 2024
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits10.1 (8.6 to 11.9) · 10,145 casesBetterJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.7 (0.6 to 0.8) · 3,940 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.51 (0 to 1.06) · 7,050 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.87 (0.74 to 1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths190.21 (166.55 to 213.87) · 628 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.5 · 404 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths5.3 · 283 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.3 · 449 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.8 · 1,447 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths12.9 · 1,254 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.1 · 546 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths1.8 · 8,665 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.24 (0.11 to 0.37) · 26,226 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.25 (0.11 to 0.38) · 28,785 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.43 (3.42 to 5.45) · 10,723 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.34 (0.58 to 2.1) · 5,984 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths4.13 (2.55 to 5.7) · 5,957 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.47 (0.36 to 2.57) · 2,526 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.52 (0.25 to 0.8) · 25,523 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths5.4 · 206 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections1.024No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.681No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.317No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.5 · 615 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19.7 · 1,580 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits21.5 · 620 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits12.7 · 1,711 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits23.1 · 1,288 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.9 · 1,303 casesNoneJul 2023 – Jun 2025
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits10.6 (9.5 to 11.8) · 3,011 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.9 · 211 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits8.8 · 268 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.2 · 335 casesNoneJul 2023 – Jun 2025

What patients said (593 patients answered, 22% of those asked)

Patient survey stars by topic at Massachusetts General Hospital
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at Massachusetts General Hospital
Room was "always" clean72%
Nurses "always" communicated well82%
Doctors "always" communicated well81%
Staff "always" explained65%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge88%
Doctors "always" explained things so they could understand78%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)78%
Staff "always" explained new medications78%
Nurses "always" explained things so they could understand78%
Nurses "always" listened carefully81%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night44%
"YES", patients would definitely recommend the hospital85%
Staff "always" explained possible side effects52%
Yes, staff "did" give patients information about possible symptoms90%
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

$15,074

Medicare paid this office $15,074 for 93 people.

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

Largest Original Medicare bills
Exam of lung with removal of lung lobe using an endoscope12$1,862$155
Surgical removal of prostate and surrounding lymph nodes using an endoscope11$1,488$135
Removal of lymph nodes of chest cavity using an endoscope20$467$23

Procedures Medicare counted

Procedure volume Medicare published
Hernia repair (minimally invasive)1-10None
Prostate resection11More than 58% of doctors who do this
Removal of the uterus1-10None
Upper gastrointestinal (GI) endoscopy for acid reflux1-10None

Who their Medicare patients are

93 Original Medicare patients in 2024. Average age 72 · Women 52% · Also on Medicaid 16% · Health risk score 1.14. At or below the middle of the specialty; the typical physician assistant clinician is at 1.31.

Conditions among them: High blood pressure 75% · Cancer 69% · Coronary heart disease 30% · Depression 27% · Chronic kidney disease 22% · Diabetes 20% · COPD 17% · Atrial fibrillation 15%.

The office billed $196,964, Medicare allowed $18,919 and paid $15,074; for 151 services of 54 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
202493151721.14$196,964$15,074
202368111711.05$126,800$11,146

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: 3 services

Original Medicare services billed in 2023
Exam of lung with removal of lung lobe using an endoscope11$1,732$157
Removal of segment of lung tissue using an endoscope11$1,663$151
Removal of lymph nodes of chest cavity using an endoscope24$569$24

Money from drug and device companies

$16 in 2025

A payment is not proof that care is biased.

Payments by company
Intuitive SurgicalDa Vinci Surgical System$16
1 payment
  • Meals for Da Vinci Surgical System · 2025-12-22 · $16
See the published payment
Every published payment
Intuitive SurgicalMeals · 2025-12-22Da Vinci Surgical System$16

Professional record

NPI
1831730803
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Physician assistant (363A00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2019-10-01
NPI last updated
2025-09-09
NPI record certified
2025-09-09

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

Extra NPI addresses: 55 Fruit St # 400, Boston, MA, 02114