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Olinda Su Mar, NP

Nurse Practitioner · Stanford

NPI 1003868316

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
Since medical school
23 years
Graduated 2003

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.

Plan participation

Not verified

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

State licence records

1 licence

  • Washington ARNP.AP.30006664-NPAdvanced Registered Nurse Practitioner License · since 2004 · expires 2028-07-23
    ActiveNo board action on this licenceCheck it with the state

We check Colorado, Delaware, Florida, Illinois, Maryland, New Jersey, New York, Tennessee, Texas, Virginia, Washington, plus California above. A state that is not in this list has not been checked, which is not the same as clear.

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

$10,542

Medicare paid this office $10,542 for 144 people.

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

Largest Original Medicare bills
Short return visit (20+ min)60$4,574$71
Short return visit56$2,719$48
Telephone medical discussion with physician, 11-20 minutes15$1,149$72
Telephone medical discussion with physician, 5-10 minutes18$858$48

Procedures year by year

Procedures billed to Original Medicare by year
Procedure201820202021202220232024
Aspiration of fluid from chest cavity using imaging guidance13–––––

Times billed to Original Medicare each year. A blank year means fewer than 11 people had it, or none: Medicare does not publish smaller counts. Medicare Advantage patients are not included.

Who their Medicare patients are

144 Original Medicare patients in 2024. Average age 70 · Women 58% · Also on Medicaid 14% · Health risk score 1.03. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.

Conditions among them: High blood pressure 60% · Coronary heart disease 20% · Diabetes 19% · Depression 19% · Chronic kidney disease 15% · Atrial fibrillation 11% · Heart failure 9% · COPD 9% · Cancer 8% · Stroke 8%.

The office billed $82,294, Medicare allowed $13,618 and paid $10,542; for 176 services of 7 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
2024144176701.03$82,294$10,542
2023145152711.40$84,070$9,632
2022119119701.37$73,648$8,996
2021327376721.59$258,051$38,928
2020173224712.51$118,869$16,636
20185569693.45$12,828$2,712
2017124150683.18$28,497$6,198
20166184662.48$21,913$4,718
20155183642.80$21,281$4,598
201466106682.06$24,680$5,166
2013114185662.77$42,800$9,233

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: 5 services

Original Medicare services billed in 2023
Return visit (30+ min)41$2,983$73
Short return visit (20+ min)39$2,087$50
Long return visit (40+ min)15$1,582$105
Telephone medical discussion with physician, 21-30 minutes16$1,177$74
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes12$461$38

2022: 4 services

Original Medicare services billed in 2022
Return visit (30+ min)39$3,261$84
Long return visit (40+ min)19$1,798$95
Short return visit (20+ min)23$1,232$54
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes16$891$56

2021: 7 services

Original Medicare services billed in 2021
Long return visit (40+ min)84$13,857$163
Long return visit (40+ min)92$12,104$132
Return visit (30+ min)47$3,775$80
Return visit (30+ min)21$2,410$115
Short return visit (20+ min)36$2,153$60
Short return visit (20+ min)23$1,804$78
Telehealth originating site facility fee42$827$20

2020: 5 services

Original Medicare services billed in 2020
Long return visit (40+ min)55$6,671$121
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes31$2,695$79
Return visit (30+ min)14$1,179$84
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes17$1,080$57
Telehealth originating site facility fee40$853$21

2018: 2 services

Original Medicare services billed in 2018
Aspiration of fluid from chest cavity using imaging guidance11$1,027$79
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician37$474$13

2017: 3 services

Original Medicare services billed in 2017
Drainage of fluid from abdominal cavity using imaging guidance23$2,444$74
Aspiration of fluid from chest cavity using imaging guidance19$2,017$81
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician75$1,137$15

2016: 3 services

Original Medicare services billed in 2016
Drainage of fluid from abdominal cavity using imaging guidance21$2,960$72
Aspiration of fluid from chest cavity using imaging guidance15$1,270$79
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician25$392$16

2015: 2 services

Original Medicare services billed in 2015
Drainage of fluid from abdominal cavity using imaging guidance15$3,256$78
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician22$319$15

2014: 2 services

Original Medicare services billed in 2014
Drainage of fluid from abdominal cavity using imaging guidance17$3,646$71
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician37$545$15

2013: 5 services

Original Medicare services billed in 2013
Drainage of fluid from abdominal cavity using imaging guidance20$5,788$76
Aspiration of fluid from chest cavity using imaging guidance16$1,454$77
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician68$935$14
Needle biopsy of liver through skin11$804$73
Ultrasonic guidance for needle placement11$252$23

Medicaid work

$82 in 2018

Medicaid paid $82 for 14 billed services this clinician did in 2018, up to 14 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2018
CARDIOVASCULAR STRESS TEST14$82
Medicaid work by year
201814114$82

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1003868316
Licence
CA 95009685, WA AP30006664Washington ARNP.AP.30006664-NP: Active
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Medicaid ID
WA 1003868316
Taxonomy
Nurse practitioner (363L00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2006-05-16
NPI last updated
2018-10-26

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