Efren P Baria, MD
Anesthesiology · San Francisco
- 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
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.
| Imperial Courage Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Dynamic Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Senior Value (HMO C-SNP) | Imperial Health Plan of California, Inc. | Listed | Sep 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 itOverall 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.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.9 (3.79 to 6.02) · 7,590 cases | Worse | Jul 2022 – Jun 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 12.8 (11.3 to 14.4) · 2,019 cases | Worse | Jan 2024 – Dec 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 139.4 (110.22 to 168.58) · 452 cases | Better | Jul 2022 – Jun 2024 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.622 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.626 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.491 | Better | Oct 2024 – Sep 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.8 (0.7 to 1) · 2,336 cases | Better | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.24 (0.58 to 1.9) · 4,689 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.05 (0.89 to 1.2) | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.9 · 89 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.5 · 85 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10.1 · 132 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 6.6 · 454 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 10.3 · 618 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.6 · 380 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.7 · 5,000 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.22 (0.06 to 0.38) · 15,965 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.2 (0.05 to 0.35) · 17,859 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 0.85 (0 to 1.83) · 4,184 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2 (1.1 to 2.9) · 6,516 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 7.35 (4.49 to 10.21) · 3,989 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5 (3.22 to 6.77) · 4,087 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.95 (0.74 to 3.15) · 2,034 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.95 (0.63 to 1.28) · 15,431 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 4 · 399 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.899 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.689 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.224 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 16 · 156 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20 · 564 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 60.3 · 160 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -9.7 · 550 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 44.1 · 660 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.8 · 667 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.7 (4.8 to 6.7) · 2,019 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6 · 421 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 10.5 · 53 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20 · 107 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.9 (11.3 to 17.1) · 3,247 cases | No different | Jan 2022 – Dec 2024 |
What patients said (3,181 patients answered, 25% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 71% |
| Nurses "always" communicated well | 80% |
| Doctors "always" communicated well | 80% |
| Staff "always" explained | 61% |
| Yes, staff "did" give patients this information | 88% |
| Yes, staff "did" give patients information about help after discharge | 87% |
| Doctors "always" explained things so they could understand | 74% |
| Doctors "always" listened carefully | 78% |
| Doctors "always" treated them with courtesy and respect | 86% |
| Patients who gave a rating of "9" or "10" (high) | 76% |
| Staff "always" explained new medications | 75% |
| Nurses "always" explained things so they could understand | 77% |
| Nurses "always" listened carefully | 78% |
| Nurses "always" treated them with courtesy and respect | 86% |
| "Always" quiet at night | 50% |
| "YES", patients would definitely recommend the hospital | 81% |
| Staff "always" explained possible side effects | 46% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
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.
| Anesthesia for extensive surgery on spine | 18 | $6,210 | $345 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 44 | $3,886 | $88 |
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 20 | $2,860 | $143 |
| Anesthesia for other procedure on large bowel using an endoscope | 28 | $2,764 | $99 |
| Anesthesia for x-ray on artery of brain, heart, or chest | 11 | $2,651 | $241 |
See all 9 services
| Anesthesia for extensive surgery on spine | 18 | $6,210 | $345 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 44 | $3,886 | $88 |
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 20 | $2,860 | $143 |
| Anesthesia for other procedure on large bowel using an endoscope | 28 | $2,764 | $99 |
| Anesthesia for x-ray on artery of brain, heart, or chest | 11 | $2,651 | $241 |
| Anesthesia for procedure on small and large bowel using an endoscope | 14 | $1,747 | $125 |
| Anesthesia for x-ray or radiation therapy | 11 | $1,384 | $126 |
| Anesthesia for other procedure on urinary system through urethra | 13 | $1,208 | $93 |
| Insertion of artery tube for blood sampling or infusion through skin | 20 | $747 | $37 |
Procedures year by year
| Procedure | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | 11 | – | 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
| 2024 | 320 | 343 | 73 | 2.23 | $694,196 | $50,636 |
| 2023 | 397 | 423 | 72 | 2.10 | $863,888 | $64,872 |
| 2022 | 353 | 375 | 72 | 1.96 | $776,849 | $62,273 |
| 2021 | 312 | 332 | 71 | 2.04 | $725,225 | $58,748 |
| 2020 | 282 | 300 | 71 | 1.99 | $670,827 | $54,523 |
| 2019 | 304 | 324 | 69 | 1.97 | $792,182 | $71,682 |
| 2018 | 91 | 110 | 73 | 1.72 | $160,228 | $22,186 |
| 2017 | 101 | 138 | 71 | 3.03 | $161,173 | $24,692 |
| 2016 | 124 | 161 | 72 | 2.67 | $173,892 | $27,855 |
| 2015 | 134 | 169 | 70 | 2.66 | $212,058 | $34,650 |
| 2014 | 100 | 117 | 74 | 1.92 | $126,406 | $22,765 |
| 2013 | 144 | 178 | 73 | 1.97 | $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
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 36 | $5,979 | $146 |
| Anesthesia for x-ray or radiation therapy | 32 | $5,203 | $163 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 40 | $4,046 | $101 |
| Anesthesia for other procedure on large bowel using an endoscope | 27 | $2,281 | $84 |
| Anesthesia for lens surgery | 24 | $2,225 | $93 |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 14 | $2,199 | $157 |
| Anesthesia for other procedure on neck area (1 year or older) | 11 | $2,050 | $186 |
| Anesthesia for electroshock therapy | 11 | $2,045 | $97 |
| Anesthesia for procedure on small and large bowel using an endoscope | 18 | $2,007 | $111 |
2022: 10 services
| Anesthesia for extensive surgery on spine | 17 | $6,936 | $408 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 47 | $6,043 | $129 |
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 29 | $4,524 | $146 |
| Anesthesia for procedure on anus and rectum | 16 | $3,107 | $194 |
| Anesthesia for x-ray or radiation therapy | 16 | $3,083 | $193 |
| Anesthesia for other procedure on large bowel using an endoscope | 22 | $2,578 | $117 |
| Anesthesia for electroshock therapy | 13 | $1,596 | $89 |
| Anesthesia for procedure on small and large bowel using an endoscope | 12 | $1,550 | $129 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 12 | $1,455 | $121 |
| Anesthesia for other procedure on urinary system through urethra | 12 | $1,135 | $95 |
2021: 8 services
| Anesthesia for extensive surgery on spine | 13 | $5,322 | $409 |
| Anesthesia for x-ray or radiation therapy | 19 | $4,389 | $231 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 40 | $4,213 | $103 |
| Anesthesia for other procedure on large bowel using an endoscope | 29 | $3,452 | $115 |
| Anesthesia for procedure on small and large bowel using an endoscope | 19 | $2,247 | $118 |
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 12 | $1,820 | $152 |
| Anesthesia for lens surgery | 16 | $1,552 | $97 |
| Insertion of artery tube for blood sampling or infusion through skin | 12 | $464 | $39 |
2020: 7 services
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 27 | $5,181 | $173 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 34 | $4,264 | $125 |
| Anesthesia for x-ray or radiation therapy | 11 | $2,735 | $228 |
| Anesthesia for other procedure on large bowel using an endoscope | 22 | $2,663 | $121 |
| Anesthesia for lens surgery | 24 | $2,421 | $93 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 11 | $2,194 | $199 |
| Anesthesia for procedure on small and large bowel using an endoscope | 13 | $1,728 | $133 |
2019: 7 services
| Anesthesia for extensive surgery on spine | 21 | $10,393 | $472 |
| Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 31 | $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 endoscope | 23 | $2,976 | $129 |
| Anesthesia for other procedure on urinary system through urethra | 17 | $2,228 | $124 |
| Anesthesia for x-ray or radiation therapy | 12 | $1,891 | $145 |
| Insertion of artery tube for blood sampling or infusion through skin | 11 | $428 | $39 |
2017: 1 service
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 13 | $2,267 | $151 |
2016: 3 services
| Anesthesia for procedure on lower intestine using an endoscope | 12 | $1,981 | $165 |
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 12 | $1,880 | $145 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 11 | $1,490 | $135 |
2015: 1 service
| Anesthesia for placement or revision of blood flow shunt | 13 | $4,301 | $287 |
2013: 4 services
| Anesthesia for other procedure on upper abdomen | 18 | $5,289 | $294 |
| Anesthesia for lens surgery | 20 | $2,557 | $128 |
| Anesthesia for other procedure on skin of arms, legs, and front body | 13 | $2,383 | $183 |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | 13 | $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.