Caroline Elizabeth Barnhart, MD
Obstetrics/Gynecology · San Francisco
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 11
- 2 carriers
- Office
- 1
- Since medical school
- 7 years
- Temple University School of Medicine, 2019
Offices
1 location · Regents Univ of California UCSF · 276 clinicians in this group
Looking this up.
Hospitals listed: Marinhealth Medical Center. That is not proof they admit you there this week.
Plans that list them
11 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Barnhart’s office at (415) 476-1000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
11 of 11 plans
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| 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 |
California Medical Board record
Licence A181568 · Current
Licensed to practise in California · since 2022 · expires 2028-08-31 · Temple University 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.
- Marinhealth Medical CenterGreenbrae, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of MarinHealthPatients rate it 3 of 5 · 76% would definitely recommend itOverall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.66 (3.59 to 7.73) · 1,505 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.177, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025
See every measure and the patient survey for Marinhealth Medical Center
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 0 worse of 7 measures. Readmissions: 3 better, 8 the same, 0 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 | 5.66 (3.59 to 7.73) · 1,505 cases | Worse | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.177 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.446 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.85 (0 to 1.83) · 1,056 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.04 (0.72 to 1.36) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 167.34 (112.58 to 222.09) · 57 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.9 · 47 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 8.5 · 119 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 9.6 · 257 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 9.5 · 428 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 11.4 · 477 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.3 · 197 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.1 · 2,827 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.18 (0 to 0.38) · 6,990 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.21 (0.02 to 0.41) · 6,838 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.41 (0 to 3) · 664 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.86 (1.4 to 4.33) · 1,436 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 10.38 (3.68 to 17.08) · 705 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.38 (0.72 to 8.04) · 672 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.66 (0.18 to 3.15) · 300 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.56 (0 to 1.25) · 5,550 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.4 · 76 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.396 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 13.1 · 275 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22 · 427 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -20.3 · 289 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 3.3 · 494 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -4.9 · 499 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.9 · 435 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.5 (3.6 to 8.4) · 93 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 11.2 (7.8 to 16) · 93 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.6 · 84 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 | 19.3 · 111 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13 (10.3 to 16.5) · 2,119 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.1 (0.8 to 1.4) · 670 cases | No different | Jan 2024 – Dec 2024 |
What patients said (1,233 patients answered, 19% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 4 |
| Quietness | 3 |
| Recommend hospital | 4 |
| Room was "always" clean | 68% |
| Nurses "always" communicated well | 73% |
| Doctors "always" communicated well | 74% |
| Staff "always" explained | 56% |
| Yes, staff "did" give patients this information | 85% |
| Yes, staff "did" give patients information about help after discharge | 85% |
| Doctors "always" explained things so they could understand | 71% |
| Doctors "always" listened carefully | 72% |
| Doctors "always" treated them with courtesy and respect | 80% |
| Patients who gave a rating of "9" or "10" (high) | 72% |
| Staff "always" explained new medications | 70% |
| Nurses "always" explained things so they could understand | 68% |
| Nurses "always" listened carefully | 68% |
| Nurses "always" treated them with courtesy and respect | 82% |
| "Always" quiet at night | 48% |
| "YES", patients would definitely recommend the hospital | 76% |
| Staff "always" explained possible side effects | 43% |
| Yes, staff "did" give patients information about possible symptoms | 85% |
Drugs they prescribed that Part D paid
$10,230
Pharmacies billed $10,230 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
183 generic and 11 brand-name prescriptions · $10,230 in drug cost · 26 antibiotic prescriptions to 20 people.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Yuvafem | 30 | $2,862 | $95 |
| Estradiol | 31 | $1,246 | $40 |
| Clobetasol Propionate | 30 | $541 | $18 |
| Progesterone | 13 | $374 | $29 |
| Acyclovir | 16 | $193 | $12 |
Year by year
| 2024 | 194 | 96 | None | 6% | $10,230 |
| 2023 | 33 | 17 | None | None | $1,421 |
| 2021 | 33 | 15 | None | None | $2,403 |
| 2020 | 17 | None | None | None | $304 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
Money from drug and device companies
$32 in 2025
A payment is not proof that care is biased.
| CooperSurgical | Paragard T 380a | $22 | 1 payment
|
| Mayne Pharma Commercial | None | $10 | 1 payment
|
See all 2 published payments
| Mayne Pharma Commercial | Meals · 2025-09-03 | None | $10 |
| CooperSurgical | Meals · 2025-04-23 | Paragard T 380a | $22 |
Professional record
- NPI
- 1437618774
- Licence
- CA A181568California A181568: Current · expires 2028-08-31
- Trained
- Temple University School of Medicine, 2019 · 7 years ago
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207V00000X (207V00000X); Student in a training program (390200000X)
- Mailing address
- 3900 Lakeville Hwy, Petaluma, CA, 94954
- NPI first listed
- 2019-03-16
- NPI last updated
- 2023-11-29
- NPI record certified
- 2023-11-29
This is when the NPI record was last certified, not a medical board exam.
This office lists an electronic records connection.