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Daryl Allison Oakes, MD

Anesthesiology · Stanford

NPI 1366469058

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
25 years
Harvard Medical School, 2001

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 Dr. Oakes’s office at (650) 723-4000 to ask if they take your plan before you enroll.

California Medical Board record

Licence A92028 · Current

Licensed to practise in California · since 2005 · expires 2027-07-31 · Harvard Medical School.

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

School, training and certification

What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.

Specialty certification

  • American Board of Anesthesiology - Anesthesiology

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

$34,448

Medicare paid this office $34,448 for 75 people.

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

Largest Original Medicare bills
Anesthesia for procedure on heart and large blood vessels14$7,142$510
Anesthesia for x-ray or radiation therapy18$4,017$211
Ultrasound of heart with probe in esophagus, with report16$1,509$94
Insertion of artery tube for blood sampling or infusion through skin31$1,166$38
Ultrasound of heart with color-depicted blood flow, rate and valve function12$33$3

Procedures year by year

Procedures billed to Original Medicare by year
Procedure201920202021202220232024
Insertion of artery tube for blood sampling or infusion through skin462727242631
Insertion of non-tunneled central venous tube for infusion (5 years or older)382330–––

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

75 Original Medicare patients in 2024. Average age 74 · Women 43% · Also on Medicaid 23% · Health risk score 2.17. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Atrial fibrillation 73% · Chronic kidney disease 65% · Coronary heart disease 64% · Heart failure 63% · Diabetes 44% · COPD 28% · Depression 23% · Cancer 21% · Stroke 19%.

The office billed $291,821, Medicare allowed $43,426 and paid $34,448; for 161 services of 34 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
202475161742.17$291,821$34,448
202355128732.52$189,567$24,129
202253143722.25$215,711$25,841
202160181721.78$288,383$32,585
202051158742.27$260,508$29,945
201985256721.86$394,202$44,208
201863213731.83$307,388$33,790
201763264721.96$349,629$36,688
201666262682.49$353,709$40,013
201560234702.42$321,008$39,119
201455127702.45$208,730$27,774
2013102241702.13$358,876$46,790

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: 4 services

Original Medicare services billed in 2023
Anesthesia for x-ray or radiation therapy18$4,005$223
Ultrasound of heart with probe in esophagus, with report12$1,175$98
Insertion of artery tube for blood sampling or infusion through skin26$1,015$39
Ultrasound of heart with color-depicted blood flow, rate and valve function12$34$3

2022: 5 services

Original Medicare services billed in 2022
Anesthesia for x-ray or radiation therapy11$2,492$227
Ultrasound of heart with probe in esophagus, with report15$1,490$99
Insertion of artery tube for blood sampling or infusion through skin23$937$39
Ultrasound of heart blood flow, valves and chambers, follow-up12$79$7
Ultrasound of heart with color-depicted blood flow, rate and valve function15$43$3

2021: 7 services

Original Medicare services billed in 2021
Insertion of non-tunneled central venous tube for infusion (5 years or older)17$2,282$76
Ultrasound of heart with probe in esophagus, with report19$1,920$101
Anesthesia for procedure to correct abnormal heart rhythm13$1,558$120
Insertion of artery tube for blood sampling or infusion through skin26$1,074$40
Insertion of tube in pulmonary artery for monitoring11$865$79
Ultrasound of heart blood flow, valves and chambers, follow-up15$101$7
Ultrasound of heart with color-depicted blood flow, rate and valve function19$56$3

2020: 7 services

Original Medicare services billed in 2020
Anesthesia for x-ray or radiation therapy11$2,271$206
Insertion of non-tunneled central venous tube for infusion (5 years or older)12$1,789$78
Ultrasound of heart with probe in esophagus, with report17$1,755$103
Insertion of artery tube for blood sampling or infusion through skin26$1,089$40
Insertion of tube in pulmonary artery for monitoring11$887$81
Ultrasound of heart blood flow, valves and chambers, follow-up14$96$7
Ultrasound of heart with color-depicted blood flow, rate and valve function15$45$3

2019: 9 services

Original Medicare services billed in 2019
Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)11$10,035$912
Anesthesia for procedure on heart and large blood vessels13$5,612$432
Anesthesia for procedure to correct abnormal heart rhythm35$3,395$97
Insertion of non-tunneled central venous tube for infusion (5 years or older)24$2,889$76
Ultrasound of heart with probe in esophagus, with report22$2,208$100
Insertion of artery tube for blood sampling or infusion through skin46$1,828$40
Insertion of tube in pulmonary artery for monitoring19$1,498$79
Ultrasound of heart blood flow, valves and chambers, follow-up21$141$7
Ultrasound of heart with color-depicted blood flow, rate and valve function22$65$3

2018: 9 services

Original Medicare services billed in 2018
Anesthesia for x-ray on artery of brain, heart, or chest11$4,494$409
Insertion of non-tunneled central venous tube for infusion (5 years or older)17$2,223$89
Anesthesia for procedure to correct abnormal heart rhythm20$1,992$100
Ultrasound of heart with probe in esophagus, with report17$1,680$99
Insertion of artery tube for blood sampling or infusion through skin35$1,355$39
Insertion of tube in pulmonary artery for monitoring13$1,226$94
Ultrasonic guidance for blood vessel access18$308$13
Ultrasound of heart blood flow, valves and chambers, follow-up15$99$7
Ultrasound of heart with color-depicted blood flow, rate and valve function17$49$3

2017: 9 services

Original Medicare services billed in 2017
Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)15$9,786$652
Insertion of non-tunneled central venous tube for infusion (5 years or older)24$4,342$106
Ultrasound of heart with probe in esophagus, with report25$2,467$99
Insertion of tube in pulmonary artery for monitoring18$2,014$112
Insertion of artery tube for blood sampling or infusion through skin36$1,696$45
Anesthesia for procedure to correct abnormal heart rhythm14$1,373$98
Ultrasonic guidance for blood vessel access22$410$13
Ultrasound of heart blood flow, valves and chambers, follow-up22$145$7
Ultrasound of heart with color-depicted blood flow, rate and valve function22$64$3

2016: 8 services

Original Medicare services billed in 2016
Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)15$10,860$724
Insertion of non-tunneled central venous tube for infusion (5 years or older)27$4,779$106
Ultrasound of heart with probe in esophagus, with report22$2,396$109
Insertion of artery tube for blood sampling or infusion through skin44$2,007$45
Insertion of tube in pulmonary artery for monitoring11$1,234$112
Ultrasonic guidance for blood vessel access26$435$13
Ultrasound of heart blood flow, valves and chambers, follow-up19$125$7
Ultrasound of heart with color-depicted blood flow, rate and valve function20$58$3

2015: 7 services

Original Medicare services billed in 2015
Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older)11$7,358$669
Insertion of non-tunneled central venous tube for infusion (5 years or older)22$3,941$107
Ultrasound of heart with probe in esophagus, with report19$2,076$109
Insertion of artery tube for blood sampling or infusion through skin38$1,742$45
Ultrasonic guidance for blood vessel access25$518$13
Ultrasound of heart blood flow, valves and chambers, follow-up13$86$7
Ultrasound of heart with color-depicted blood flow, rate and valve function18$54$3

2014: 3 services

Original Medicare services billed in 2014
Insertion of non-tunneled central venous tube for infusion (5 years or older)12$2,028$107
Insertion of artery tube for blood sampling or infusion through skin24$1,070$45
Ultrasonic guidance for blood vessel access13$279$13

2013: 4 services

Original Medicare services billed in 2013
Insertion of non-tunneled central venous tube for infusion (5 years or older)20$3,212$104
Anesthesia for procedure to correct abnormal heart rhythm19$2,306$110
Insertion of artery tube for blood sampling or infusion through skin41$1,770$43
Ultrasonic guidance for blood vessel access27$493$13

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
1366469058
Licence
CA A92028California A92028: Current · expires 2027-07-31
Trained
Harvard Medical School, 2001 · 25 years ago
Gender
Female
More record details
Sole proprietor
No
Medicaid ID
CA 00A920280
Taxonomy
Federal specialty code 207L00000X (207L00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2006-07-17
NPI last updated
2024-04-11
NPI record certified
2024-04-11

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