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Efren P Baria, MD

Anesthesiology · San Francisco

NPI 1609982115

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
3
1 carrier
Office
1
Since medical school
25 years
Midwestern University, Chicago College of Osteopathic Med, 2001

Offices

1 location · Regents of the University of California · 706 clinicians in this group

Looking this up.

Hospitals listed: UCSF Medical Center. That is not proof they admit you there this week.

Plans that list them

3 plans · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Baria’s office at (415) 476-4029 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
Imperial Courage Plan (HMO)Imperial Health Plan of California, Inc.ListedSep 1, 2026
Imperial Dynamic Plan (HMO)Imperial Health Plan of California, Inc.ListedSep 1, 2026
Imperial Senior Value (HMO C-SNP)Imperial Health Plan of California, Inc.ListedSep 1, 2026

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.

  • UCSF Medical CenterSan Francisco, CAAcute Care Hospital · Voluntary non-profit - Other · Has an emergency department · Birthing-friendlyPart of University of California Health, which runs 12 hospitalsHome of UCSF Helen Diller Family Comprehensive Cancer Center, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 81% would definitely recommend it
    Overall rating: 4 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 4.9 (3.79 to 6.02) · 7,590 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 12.8 (11.3 to 14.4) · 2,019 cases, Jan 2024 – Dec 2024Better than the national rate — Death rate among surgical inpatients with serious treatable complications: 139.4 (110.22 to 168.58) · 452 cases, Jul 2022 – Jun 2024Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.622, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.626, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.491, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.8 (0.7 to 1) · 2,336 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for UCSF Medical Center

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: 3 better, 5 the same, 3 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 UCSF Medical Center
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.9 (3.79 to 6.02) · 7,590 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits12.8 (11.3 to 14.4) · 2,019 casesWorseJan 2024 – Dec 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths139.4 (110.22 to 168.58) · 452 casesBetterJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.622BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.626BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.491BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.8 (0.7 to 1) · 2,336 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.24 (0.58 to 1.9) · 4,689 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.05 (0.89 to 1.2)No differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.9 · 89 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.5 · 85 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10.1 · 132 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.6 · 454 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 618 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.6 · 380 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.7 · 5,000 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.22 (0.06 to 0.38) · 15,965 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.2 (0.05 to 0.35) · 17,859 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.85 (0 to 1.83) · 4,184 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2 (1.1 to 2.9) · 6,516 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.35 (4.49 to 10.21) · 3,989 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5 (3.22 to 6.77) · 4,087 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.95 (0.74 to 3.15) · 2,034 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.95 (0.63 to 1.28) · 15,431 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 399 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.899No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.689No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.224No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16 · 156 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20 · 564 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits60.3 · 160 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-9.7 · 550 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits44.1 · 660 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.8 · 667 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.7 (4.8 to 6.7) · 2,019 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6 · 421 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.5 · 53 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20 · 107 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.9 (11.3 to 17.1) · 3,247 casesNo differentJan 2022 – Dec 2024

What patients said (3,181 patients answered, 25% of those asked)

Patient survey stars by topic at UCSF Medical Center
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at UCSF Medical Center
Room was "always" clean71%
Nurses "always" communicated well80%
Doctors "always" communicated well80%
Staff "always" explained61%
Yes, staff "did" give patients this information88%
Yes, staff "did" give patients information about help after discharge87%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully78%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)76%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully78%
Nurses "always" treated them with courtesy and respect86%
"Always" quiet at night50%
"YES", patients would definitely recommend the hospital81%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$50,636

Medicare paid this office $50,636 for 320 people.

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

Largest Original Medicare bills
Anesthesia for extensive surgery on spine18$6,210$345
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope44$3,886$88
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope20$2,860$143
Anesthesia for other procedure on large bowel using an endoscope28$2,764$99
Anesthesia for x-ray on artery of brain, heart, or chest11$2,651$241
See all 9 services
Every Original Medicare service billed
Anesthesia for extensive surgery on spine18$6,210$345
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope44$3,886$88
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope20$2,860$143
Anesthesia for other procedure on large bowel using an endoscope28$2,764$99
Anesthesia for x-ray on artery of brain, heart, or chest11$2,651$241
Anesthesia for procedure on small and large bowel using an endoscope14$1,747$125
Anesthesia for x-ray or radiation therapy11$1,384$126
Anesthesia for other procedure on urinary system through urethra13$1,208$93
Insertion of artery tube for blood sampling or infusion through skin20$747$37

Procedures year by year

Procedures billed to Original Medicare by year
Procedure201920202021202220232024
Insertion of artery tube for blood sampling or infusion through skin11–12––20

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

320 Original Medicare patients in 2024. Average age 73 · Under 65 12% · 85 and older 12% · Women 44% · Also on Medicaid 37% · Health risk score 2.23. Above the middle of the specialty; the typical anesthesiology clinician is at 1.54.

Conditions among them: High blood pressure 75% · Chronic kidney disease 36% · Diabetes 33% · Coronary heart disease 30% · Depression 29% · Atrial fibrillation 27% · Cancer 25% · Heart failure 23% · COPD 23% · Stroke 16% · Dementia 11%.

The office billed $694,196, Medicare allowed $66,034 and paid $50,636; for 343 services of 72 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
2024320343732.23$694,196$50,636
2023397423722.10$863,888$64,872
2022353375721.96$776,849$62,273
2021312332712.04$725,225$58,748
2020282300711.99$670,827$54,523
2019304324691.97$792,182$71,682
201891110731.72$160,228$22,186
2017101138713.03$161,173$24,692
2016124161722.67$173,892$27,855
2015134169702.66$212,058$34,650
2014100117741.92$126,406$22,765
2013144178731.97$194,529$36,253

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: 9 services

Original Medicare services billed in 2023
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope36$5,979$146
Anesthesia for x-ray or radiation therapy32$5,203$163
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope40$4,046$101
Anesthesia for other procedure on large bowel using an endoscope27$2,281$84
Anesthesia for lens surgery24$2,225$93
Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back14$2,199$157
Anesthesia for other procedure on neck area (1 year or older)11$2,050$186
Anesthesia for electroshock therapy11$2,045$97
Anesthesia for procedure on small and large bowel using an endoscope18$2,007$111

2022: 10 services

Original Medicare services billed in 2022
Anesthesia for extensive surgery on spine17$6,936$408
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope47$6,043$129
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope29$4,524$146
Anesthesia for procedure on anus and rectum16$3,107$194
Anesthesia for x-ray or radiation therapy16$3,083$193
Anesthesia for other procedure on large bowel using an endoscope22$2,578$117
Anesthesia for electroshock therapy13$1,596$89
Anesthesia for procedure on small and large bowel using an endoscope12$1,550$129
Anesthesia for other procedure on skin of arms, legs, and front body12$1,455$121
Anesthesia for other procedure on urinary system through urethra12$1,135$95

2021: 8 services

Original Medicare services billed in 2021
Anesthesia for extensive surgery on spine13$5,322$409
Anesthesia for x-ray or radiation therapy19$4,389$231
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope40$4,213$103
Anesthesia for other procedure on large bowel using an endoscope29$3,452$115
Anesthesia for procedure on small and large bowel using an endoscope19$2,247$118
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope12$1,820$152
Anesthesia for lens surgery16$1,552$97
Insertion of artery tube for blood sampling or infusion through skin12$464$39

2020: 7 services

Original Medicare services billed in 2020
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope27$5,181$173
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope34$4,264$125
Anesthesia for x-ray or radiation therapy11$2,735$228
Anesthesia for other procedure on large bowel using an endoscope22$2,663$121
Anesthesia for lens surgery24$2,421$93
Anesthesia for other procedure on skin of arms, legs, and front body11$2,194$199
Anesthesia for procedure on small and large bowel using an endoscope13$1,728$133

2019: 7 services

Original Medicare services billed in 2019
Anesthesia for extensive surgery on spine21$10,393$472
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope31$5,182$157
Anesthesia for other procedure on neck area (1 year or older)12$4,679$360
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope23$2,976$129
Anesthesia for other procedure on urinary system through urethra17$2,228$124
Anesthesia for x-ray or radiation therapy12$1,891$145
Insertion of artery tube for blood sampling or infusion through skin11$428$39

2017: 1 service

Original Medicare services billed in 2017
Anesthesia for other procedure on lower leg, ankle, and foot bones13$2,267$151

2016: 3 services

Original Medicare services billed in 2016
Anesthesia for procedure on lower intestine using an endoscope12$1,981$165
Anesthesia for procedure on gastrointestinal tract using an endoscope12$1,880$145
Anesthesia for other procedure on skin of arms, legs, and front body11$1,490$135

2015: 1 service

Original Medicare services billed in 2015
Anesthesia for placement or revision of blood flow shunt13$4,301$287

2013: 4 services

Original Medicare services billed in 2013
Anesthesia for other procedure on upper abdomen18$5,289$294
Anesthesia for lens surgery20$2,557$128
Anesthesia for other procedure on skin of arms, legs, and front body13$2,383$183
Anesthesia for other procedure on lower leg, ankle, and foot bones13$1,949$150

Professional record

NPI
1609982115
Licence
CA 20A9188
Trained
Midwestern University, Chicago College of Osteopathic Med, 2001 · 25 years ago
Gender
Male
More record details
Sole proprietor
No
Medicaid ID
CA 00AX91880
Taxonomy
Federal specialty code 207LP2900X (207LP2900X)
Mailing address
Po Box 1622, Orange, CA, 92856
NPI first listed
2006-08-21
NPI last updated
2008-05-01

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