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Sophia N Antoun, PA

Physician Assistant · Fremont

NPI 1205513645

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
2

Offices

2 locations · Dearborn and Associates Institute for Joint Restoration · 9 clinicians in this group

Looking this up.

Hospitals listed: Washington Hospital. 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 Sophia N Antoun’s office to ask if they take your plan before you enroll.

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.

  • Washington HospitalFremont, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of Washington Hospital Healthcare SystemPatients rate it 3 of 5 · 71% would definitely recommend it
    Overall rating: 2 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.188, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.164, Oct 2024 – Sep 2025
See every measure and the patient survey for Washington Hospital

Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 1 better, 6 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 Washington Hospital
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.188BetterOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.164BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.88 (0 to 1.88) · 1,112 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.92 (0.59 to 1.24)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths192.95 (139.54 to 246.36) · 48 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2 · 27 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.4 · 164 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.1 · 199 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths8.9 · 463 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15.6 · 661 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.3 · 174 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.7 · 2,550 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.15 (0 to 0.35) · 6,970 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.21 (0.02 to 0.4) · 7,108 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.82 (1.73 to 5.91) · 1,370 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.52 (0 to 3.17) · 589 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths1.75 (0.25 to 3.25) · 1,315 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths13.19 (5.83 to 20.56) · 600 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths4.91 (1.04 to 8.78) · 550 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.66 (0.17 to 3.14) · 198 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.14 (0 to 0.78) · 6,079 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.7 · 114 casesNoneApr 2023 – Mar 2025
MRSA BacteremiaInfections0No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.367No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.8 · 186 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits21.9 · 480 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits33.9 · 186 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits26.5 · 553 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits36.8 · 648 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits18.5 · 590 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits4.7 (3.2 to 6.9) · 169 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits11.4 (8.5 to 14.9) · 169 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.4 · 130 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits11.1 · 41 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.3 · 202 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.7 (10.2 to 18.5) · 78 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.7 to 1.1) · 974 casesNo differentJan 2024 – Dec 2024

What patients said (812 patients answered, 19% of those asked)

Patient survey stars by topic at Washington Hospital
Cleanliness4
Nurse communication3
Doctor communication3
Communication about medicines2
Discharge information3
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Washington Hospital
Room was "always" clean76%
Nurses "always" communicated well77%
Doctors "always" communicated well77%
Staff "always" explained56%
Yes, staff "did" give patients this information84%
Yes, staff "did" give patients information about help after discharge84%
Doctors "always" explained things so they could understand70%
Doctors "always" listened carefully76%
Doctors "always" treated them with courtesy and respect84%
Patients who gave a rating of "9" or "10" (high)71%
Staff "always" explained new medications70%
Nurses "always" explained things so they could understand72%
Nurses "always" listened carefully74%
Nurses "always" treated them with courtesy and respect86%
"Always" quiet at night46%
"YES", patients would definitely recommend the hospital71%
Staff "always" explained possible side effects42%
Yes, staff "did" give patients information about possible symptoms84%

Original Medicare doctor bills

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

Procedures Medicare counted

Procedure volume Medicare published
Hip replacement1-10None
Upper limb (arm) arthroscopy (minimally invasive joint repair)143More than 98% of doctors who do this

Money from drug and device companies

$163 in 2025

A payment is not proof that care is biased.

Payments by company
Smith+NephewBone Anchors With Arthroscopic Delivery System$144
1 payment
  • Meals for Bone Anchors With Arthroscopic Delivery System · 2025-11-07 · $144
StrykerBlueprint Patient Specific Instrumentation$18
1 payment
  • Meals for Blueprint Patient Specific Instrumentation · 2025-01-10 · $18
See all 2 published payments
Every published payment
Smith+NephewMeals · 2025-11-07Bone Anchors With Arthroscopic Delivery System$144
StrykerMeals · 2025-01-10Blueprint Patient Specific Instrumentation$18

Professional record

NPI
1205513645
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Physician assistant (363A00000X)
Mailing address
1706 El Camino Real Ste 101, Menlo Park, CA, 94027
NPI first listed
2023-06-28
NPI last updated
2025-01-15
NPI record certified
2025-01-15

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

Extra NPI addresses: 947 Boranda Ave Apt 1, Mountain View, CA, 94040