Skip to main content
UniHealth

Doctor search

Michaela Simoncini, MD

General Surgery · Burlingame

NPI 1558896803

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
6

Offices

6 locations · Sutter Bay Medical Foundation · County of San Mateo

Looking this up.

Hospitals listed: Mills-Peninsula Medical Center · San Mateo Medical Center. 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 Dr. Simoncini’s office 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.

  • Peninsula Medical CenterBurlingame, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 4 of 5 · 78% would definitely recommend it
    Overall rating: 5 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.139, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.242, Oct 2024 – Sep 2025
  • San Mateo Medical CenterSan Mateo, CAAcute Care Hospital · Government - Local · Has an emergency departmentPart of San Mateo County HealthPatients rate it 3 of 5 · 68% would definitely recommend it
    No overall ratingNo measure marked better or worse than the national rate
See every measure and the patient survey for Peninsula Medical Center

Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 0 better, 10 the same, 1 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 Peninsula Medical Center
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.139BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.242BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.21 (0.27 to 2.15) · 1,258 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.81 (0.51 to 1.1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths155.44 (112.67 to 198.21) · 90 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.5 · 32 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.1 · 82 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10 · 188 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths9 · 473 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths14.8 · 342 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.4 · 485 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.9 · 3,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.2 (0 to 0.4) · 6,904 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.21 (0.02 to 0.4) · 7,052 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.41 (1.43 to 5.39) · 1,695 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.72 (0.17 to 3.28) · 665 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.66 to 3.56) · 1,545 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.1 (1.3 to 12.9) · 670 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.96 (2.63 to 9.29) · 653 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.61 (0.15 to 3.08) · 418 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.14 (0 to 0.78) · 5,539 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.7 · 192 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.215No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.263No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.74No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.3 · 300 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19 · 702 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits1.2 · 207 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-13.6 · 531 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits24.3 · 343 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits18.1 · 449 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits4.5 (2.8 to 7) · 85 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits9.6 (6.7 to 13.7) · 85 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.7 · 189 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits11 · 45 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.6 · 117 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13 (9.7 to 17.2) · 584 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.7 to 1.2) · 764 casesNo differentJan 2024 – Dec 2024

What patients said (523 patients answered, 27% of those asked)

Patient survey stars by topic at Peninsula Medical Center
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness3
Recommend hospital5
Share of patients giving the best answer at Peninsula Medical Center
Room was "always" clean76%
Nurses "always" communicated well81%
Doctors "always" communicated well80%
Staff "always" explained58%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge87%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully79%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)75%
Staff "always" explained new medications72%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night54%
"YES", patients would definitely recommend the hospital78%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms90%
See every measure and the patient survey for San Mateo Medical Center

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

Every scored measure at San Mateo Medical Center
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.34 (0.25 to 2.43) · 45 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.97 (0.48 to 1.47)No differentJul 2022 – Jun 2024
Death rate for pneumonia patientsComplications and deaths13.9 · 25 casesNoneJul 2022 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.6 · 258 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.21 (0 to 0.44) · 379 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.26 (0.05 to 0.48) · 381 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.44 (0.82 to 6.05) · 57 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.64 (0.92 to 4.37) · 57 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.53 (0 to 1.76) · 296 casesNo differentJul 2022 – Jun 2024
Clostridium Difficile (C.Diff)Infections0.661No differentOct 2024 – Sep 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits21.8 · 47 casesNoneJul 2023 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-2.3 · 25 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.6 · 76 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits14 (10.4 to 18.9) · 167 casesNo differentJan 2022 – Dec 2024

What patients said (208 patients answered, 15% of those asked)

Patient survey stars by topic at San Mateo Medical Center
Cleanliness4
Nurse communication3
Doctor communication3
Communication about medicines3
Discharge information4
Overall hospital rating3
Quietness2
Recommend hospital3
Share of patients giving the best answer at San Mateo Medical Center
Room was "always" clean78%
Nurses "always" communicated well76%
Doctors "always" communicated well79%
Staff "always" explained62%
Yes, staff "did" give patients this information87%
Yes, staff "did" give patients information about help after discharge88%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully77%
Doctors "always" treated them with courtesy and respect84%
Patients who gave a rating of "9" or "10" (high)70%
Staff "always" explained new medications72%
Nurses "always" explained things so they could understand72%
Nurses "always" listened carefully73%
Nurses "always" treated them with courtesy and respect82%
"Always" quiet at night47%
"YES", patients would definitely recommend the hospital68%
Staff "always" explained possible side effects51%
Yes, staff "did" give patients information about possible symptoms86%

Original Medicare doctor bills

$10,378

Medicare paid this office $10,378 for 34 people.

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

Procedures Medicare counted

Procedure volume Medicare published
Colonoscopy1-10None
Hernia repair (minimally invasive)11More than 73% of doctors who do this
Removal of tissue1-10None
Removal or shaving of skin growth1-10None
Upper gastrointestinal (GI) endoscopy for acid reflux1-10None

Who their Medicare patients are

34 Original Medicare patients in 2024. Average age 79 · Women 44% · Health risk score 1.86. Above the middle of the specialty; the typical general surgery clinician is at 1.69.

Conditions among them: High blood pressure 75% · Diabetes 35% · Coronary heart disease 35% · Chronic kidney disease 35% · Cancer 35%.

The office billed $45,242, Medicare allowed $13,025 and paid $10,378; for 61 services of 24 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

$436

Pharmacies billed $436 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 29% of their Part D prescriptions (22 of 76) in 2024. At or below the middle of the specialty; the typical general surgery clinician is at 34%.

76 generic and 0 brand-name prescriptions · $436 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
Ibuprofen15$83$6
Methocarbamol13$79$6
Gabapentin15$55$4
Oxycodone22$32$1

Year by year

Part D prescribing by year
2024762729% (22)0%$436
2023592631% (18)0%$884
20221913NoneNone$428
2021372232% (12)None$2,563
20192111NoneNone$349

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
Oxycodone18$46$3

2021: 1 drug

Part D drugs prescribed in 2021
Oxycodone12$77$6

Money from drug and device companies

$35 in 2025

Industry payments by year
202511None$35
2024415None$2,864
202311None$141
202211None$70

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
Intuitive SurgicalDa Vinci Surgical System$35
1 payment
  • Meals for Da Vinci Surgical System · 2025-01-28 · $35
See the published payment
Every published payment
Intuitive SurgicalMeals · 2025-01-28Da Vinci Surgical System$35
See earlier years (2024, 2023, 2022)

2024: $2,864

Payments by company in 2024
Medical Device Business ServicesEchelon Flex$1,650
10 payments
  • Meals for Echelon Flex · 2024-03-22 · $31
  • Meals for Echelon Flex · 2024-03-22 · $3
  • Meals for Echelon Flex · 2024-03-22 · $24
  • Meals for Echelon Flex · 2024-03-21 · $29
  • Meals for Echelon Flex · 2024-03-21 · $7
  • Travel for Echelon Flex · 2024-03-21 · $694
  • Travel for Echelon Flex · 2024-03-21 · $255
  • Travel for Echelon Flex · 2024-03-21 · $427
  • Meals for Echelon Flex · 2024-03-21 · $34
  • Meals for Echelon Flex · 2024-03-21 · $146
Intuitive SurgicalDavinci Xi$1,040
3 payments
  • Education for Davinci Xi · 2024-03-07 · $1,000
  • Meals for Da Vinci Surgical System · 2024-03-07 · $29
  • Meals for Da Vinci Surgical System · 2024-01-23 · $11
MedtronicSignia$153
1 payment
  • Meals for Signia · 2024-04-19 · $153
Ethicon USEchelon Circular$21
1 payment
  • Meals for Echelon Circular · 2024-11-06 · $21

2023: $141

Payments by company in 2023
MedtronicNone$141
1 payment
  • Meals · 2023-10-06 · $141

2022: $70

Payments by company in 2022
DavolPhasix Mesh$70
1 payment
  • Meals for Phasix Mesh · 2022-04-26 · $70

Professional record

NPI
1558896803
Licence
RI MD19305
Group
Sutter Bay Medical Foundation · County of San Mateo
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Surgery (208600000X)
Mailing address
325 Distel Cir, Los Altos, CA, 94022
NPI first listed
2017-04-25
NPI last updated
2024-10-22
NPI record certified
2024-10-22

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

Extra NPI addresses: 2 Dudley St Ste 370, Providence, RI, 02905