Skip to main content
UniHealth

Doctor search

Alai Alvarez, MD

Emergency Medicine · Stanford

NPI 1366677486

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
1
1 carrier
Office
1

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.

Plans that list them

1 plan · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Alvarez’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

Plans whose provider directory lists this clinician
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A114602 · Current

Licensed to practise in California · since 2010 · expires 2028-06-30 · State University of New York at Buffalo School of Medicine.

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

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

$68,869

Medicare paid this office $68,869 for 440 people.

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

Largest Original Medicare bills
Emergency department visit with high level of medical decision making313$45,361$143
Critical care, first 30-74 minutes73$13,356$183
Emergency department visit with moderate level of medical decision making44$4,223$96
Ultrasound of heart, follow-up18$399$22

Who their Medicare patients are

440 Original Medicare patients in 2024. Average age 75 · Under 65 13% · 85 and older 24% · Women 52% · Also on Medicaid 38% · Health risk score 2.37. Above the middle of the specialty; the typical emergency medicine clinician is at 2.01.

Conditions among them: High blood pressure 75% · Coronary heart disease 43% · Chronic kidney disease 40% · Diabetes 39% · Atrial fibrillation 35% · Depression 35% · Heart failure 32% · Dementia 27% · Cancer 24% · Stroke 18% · COPD 16%.

The office billed $478,699, Medicare allowed $89,677 and paid $68,869; for 533 services of 31 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
2024440533752.37$478,699$68,869
2023375443742.25$357,846$56,088
2022295353752.16$226,972$43,275
2021276334722.42$231,838$42,902
2020240305712.72$216,404$40,351
2019350416742.48$318,567$54,532
2018507685712.24$488,722$71,668
2017617942712.26$487,577$104,578
2016448611702.07$360,233$58,419
2014477785651.90$570,734$63,828
2013516843661.92$553,067$64,548

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
Emergency department visit with high level of medical decision making207$31,637$151
Emergency department visit with moderate level of medical decision making108$11,021$101
Critical care, first 30-74 minutes41$7,705$188
Emergency department visit with low level of medical decision making15$890$59
Ultrasound of heart, follow-up12$275$23

2022: 4 services

Original Medicare services billed in 2022
Emergency department visit with moderate level of medical decision making153$18,336$118
Emergency department visit with high level of medical decision making107$17,955$166
Critical care, first 30-74 minutes13$2,472$190
Emergency department visit with low level of medical decision making15$1,071$71

2021: 4 services

Original Medicare services billed in 2021
Emergency department visit with moderate level of medical decision making135$17,075$124
Emergency department visit with high level of medical decision making93$15,668$167
Critical care, first 30-74 minutes24$5,132$214
Emergency department visit with straightforward medical decision making14$534$38

2020: 4 services

Original Medicare services billed in 2020
Emergency department visit with high level of medical decision making158$25,661$160
Critical care, first 30-74 minutes31$6,812$220
Emergency department visit with moderate level of medical decision making41$4,442$103
Ultrasound of heart, follow-up15$362$24

2019: 4 services

Original Medicare services billed in 2019
Emergency department visit with high level of medical decision making194$28,743$145
Critical care, first 30-74 minutes68$13,452$192
Emergency department visit with moderate level of medical decision making69$6,842$98
Ultrasound of heart, follow-up13$284$22

2018: 8 services

Original Medicare services billed in 2018
Emergency department visit with high level of medical decision making258$36,855$141
Emergency department visit with moderate level of medical decision making148$13,713$92
Critical care, first 30-74 minutes61$11,955$196
Initial hospital observation care per day, typically 30 minutes14$1,247$89
Emergency department visit with low level of medical decision making24$1,121$47
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only73$577$7
Insertion of artery tube for blood sampling or infusion through skin12$465$39
Ultrasound of heart, follow-up15$369$23

2017: 8 services

Original Medicare services billed in 2017
Emergency department visit with high level of medical decision making366$64,489$173
Emergency department visit with moderate level of medical decision making156$15,840$101
Critical care, first 30-74 minutes50$11,617$228
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only215$2,186$9
Emergency department visit with low level of medical decision making38$2,034$54
Insertion of non-tunneled central venous tube for infusion (5 years or older)12$1,458$122
Insertion of artery tube for blood sampling or infusion through skin13$694$53
Ultrasound of heart, follow-up12$348$29

2016: 6 services

Original Medicare services billed in 2016
Emergency department visit with high level of medical decision making171$25,234$145
Emergency department visit with moderate level of medical decision making164$16,213$96
Critical care, first 30-74 minutes42$8,106$193
Emergency department visit with low level of medical decision making34$1,918$52
Initial hospital observation care per day, typically 70 minutes11$1,817$165
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only93$789$7

2014: 8 services

Original Medicare services billed in 2014
Emergency department visit with high level of medical decision making225$34,111$144
Emergency department visit with moderate level of medical decision making141$14,008$95
Critical care, first 30-74 minutes35$6,841$195
Emergency department visit with low level of medical decision making39$2,005$50
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only225$1,880$7
Insertion of non-tunneled central venous tube for infusion (5 years or older)11$1,174$107
Emergent insertion of breathing tube into windpipe using an endoscope11$1,051$96
Short return visit (20+ min)15$547$36

2013: 4 services

Original Medicare services billed in 2013
Emergency department visit with high level of medical decision making278$40,679$137
Emergency department visit with moderate level of medical decision making157$15,024$91
Emergency department visit with low level of medical decision making42$1,856$43
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only224$1,806$7

Medicaid work

$59,367 in 2024

Medicaid paid $59,367 for 536 billed services this clinician did in 2024, up to 52 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 2024
EMERGENCY DEPARTMENT VISIT HIGH MDM462$53,153
EMERGENCY DEPT VISIT MOD MDM74$6,214
Medicaid work by year
2024536252$59,367
2023504566$40,930
2022327239$26,487
2021325232$20,636
2020255230$21,896
2019299228$24,045
20181,313652$43,541
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
EMERGENCY DEPARTMENT VISIT HIGH MDM226$21,154
EMERGENCY DEPT VISIT MOD MDM240$17,716
COMPREHENSIVE METABOLIC PANEL13$1,058
EMERGENCY DEPT VISIT LOW MDM12$545
Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count) and automated differential WBC count13$457

2022

Largest Medicaid services in 2022
EMERGENCY DEPT VISIT MOD MDM258$19,237
EMERGENCY DEPARTMENT VISIT HIGH MDM69$7,250

2021

Largest Medicaid services in 2021
EMERGENCY DEPT VISIT MOD MDM265$15,830
EMERGENCY DEPARTMENT VISIT HIGH MDM60$4,806

2020

Largest Medicaid services in 2020
EMERGENCY DEPARTMENT VISIT HIGH MDM197$18,179
EMERGENCY DEPT VISIT MOD MDM58$3,717

2019

Largest Medicaid services in 2019
EMERGENCY DEPARTMENT VISIT HIGH MDM201$17,588
EMERGENCY DEPT VISIT MOD MDM98$6,457

2018

Largest Medicaid services in 2018
EMERGENCY DEPARTMENT VISIT HIGH MDM434$23,975
EMERGENCY DEPT VISIT MOD MDM394$14,305
EMERGENCY DEPT VISIT LOW MDM162$2,415
Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only270$1,540
Service33$1,249
Service20$57

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
1366677486
Licence
CA A114602, NY 251414California A114602: Current · expires 2028-06-30
Gender
Male
More record details
Sole proprietor
Yes
Taxonomy
Federal specialty code 207P00000X (207P00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2009-05-19
NPI last updated
2024-03-14
NPI record certified
2024-03-14

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

Extra NPI addresses: 751 S Bascom Ave, San Jose, CA, 95128