Dawn Marie Darbonne, MD
Pathology · San Jose
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 1
- 1 carrier
- Office
- 1
Offices
1 location · County of Santa Clara · 1,000 clinicians in this group
Looking this up.
Hospitals listed: Santa Clara Valley Medical Center. 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. Darbonne’s office at (408) 885-5000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A78518 · Current
Licensed to practise in California · since 2002 · expires 2027-12-31 · University of Illinois College 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.
- Santa Clara Valley Medical CenterSan Jose, CAAcute Care Hospital · Government - Local · Has an emergency department · Birthing-friendlyPart of Santa Clara Valley Health and Hospital System, which runs 3 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend itOverall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.572, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.563, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.256, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.369, Oct 2024 – Sep 2025
See every measure and the patient survey for Santa Clara Valley Medical Center
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 1 worse of 8 measures. Readmissions: 0 better, 10 the same, 1 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| SSI - Colon SurgeryInfections | 2.572 | Worse | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.563 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.256 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.369 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.25 (0.3 to 2.2) · 1,535 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.07 (0.76 to 1.38) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 214.59 (167.38 to 261.8) · 108 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.8 · 41 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6 · 141 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10.2 · 124 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.3 · 501 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14.9 · 653 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.1 · 348 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3 · 4,502 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.24 (0.04 to 0.43) · 9,014 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.34 (0.15 to 0.52) · 9,216 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.54 (2.51 to 6.58) · 1,421 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.54 (0 to 3.2) · 288 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.11 (0.66 to 3.56) · 1,446 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 11.61 (4.09 to 19.14) · 294 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 7.29 (3.39 to 11.2) · 299 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.9 (0.45 to 3.36) · 333 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.23 (0 to 0.78) · 7,538 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 5.4 · 94 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.735 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 2.573 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.6 · 185 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.1 · 951 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 56.3 · 128 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 6.4 · 644 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 1.3 · 699 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.3 · 921 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.7 (3.9 to 8.1) · 226 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 12.6 (9.4 to 16.5) · 226 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.4 · 94 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 11.4 · 54 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.3 · 242 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.2 (9.9 to 17.4) · 702 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.7 to 1.4) · 195 cases | No different | Jan 2024 – Dec 2024 |
What patients said (4,032 patients answered, 29% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 2 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 4 |
| Room was "always" clean | 70% |
| Nurses "always" communicated well | 73% |
| Doctors "always" communicated well | 76% |
| Staff "always" explained | 57% |
| Yes, staff "did" give patients this information | 82% |
| Yes, staff "did" give patients information about help after discharge | 82% |
| Doctors "always" explained things so they could understand | 71% |
| Doctors "always" listened carefully | 74% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 67% |
| Staff "always" explained new medications | 71% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 69% |
| Nurses "always" treated them with courtesy and respect | 80% |
| "Always" quiet at night | 43% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 44% |
| Yes, staff "did" give patients information about possible symptoms | 83% |
Original Medicare doctor bills
$18,792
Medicare paid this office $18,792 for 260 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Pathology examination of tissue using a microscope, intermediate complexity | 90 | $5,077 | $33 |
| Pap test, automated thin layer preparation; automated system and manual rescreening | 108 | $2,817 | $26 |
| Pathology examination of tissue using a microscope, moderately high complexity | 24 | $2,538 | $73 |
| Special stained specimen slides to examine tissue, each additional procedure | 20 | $2,515 | $25 |
| Evaluation of fine needle aspirate with interpretation and report | 19 | $1,398 | $64 |
See all 9 services
| Pathology examination of tissue using a microscope, intermediate complexity | 90 | $5,077 | $33 |
| Pap test, automated thin layer preparation; automated system and manual rescreening | 108 | $2,817 | $26 |
| Pathology examination of tissue using a microscope, moderately high complexity | 24 | $2,538 | $73 |
| Special stained specimen slides to examine tissue, each additional procedure | 20 | $2,515 | $25 |
| Evaluation of fine needle aspirate with interpretation and report | 19 | $1,398 | $64 |
| Special stained specimen slides to examine tissue, initial procedure | 29 | $1,172 | $32 |
| Cell examination of specimen, selective cellular enhancement technique | 21 | $524 | $24 |
| Pap test | 17 | $366 | $22 |
| Preparation of tissue for examination by removing any calcium present | 12 | $130 | $10 |
Who their Medicare patients are
260 Original Medicare patients in 2024. Average age 68 · Under 65 23% · 85 and older 4% · Women 70% · Also on Medicaid 79% · Health risk score 1.99. Above the middle of the specialty; the typical pathology clinician is at 1.55.
Conditions among them: High blood pressure 68% · Diabetes 41% · Chronic kidney disease 25% · Cancer 21% · Heart failure 20% · Depression 20% · Coronary heart disease 19% · Atrial fibrillation 16% · COPD 13% · Stroke 10% · Dementia 9%.
The office billed $250,241, Medicare allowed $23,335 and paid $18,792; for 587 services of 28 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 | 260 | 587 | 68 | 1.99 | $250,241 | $18,792 |
| 2023 | 343 | 692 | 67 | 1.79 | $271,116 | $21,124 |
| 2022 | 355 | 792 | 67 | 1.45 | $320,438 | $25,503 |
| 2021 | 166 | 361 | 70 | 1.98 | $146,160 | $12,437 |
| 2020 | 17 | 20 | 69 | 4.14 | $5,747 | $516 |
| 2019 | 13 | 18 | 69 | 1.87 | $6,174 | $675 |
| 2015 | 124 | 273 | 68 | 1.89 | $90,105 | $8,889 |
| 2014 | 244 | 460 | 69 | 1.49 | $145,429 | $15,017 |
| 2013 | 209 | 458 | 68 | 1.39 | $129,871 | $15,285 |
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: 13 services
| Pathology examination of tissue using a microscope, intermediate complexity | 132 | $7,363 | $32 |
| Pap test, automated thin layer preparation; automated system and manual rescreening | 111 | $2,895 | $26 |
| Pathology examination of tissue using a microscope, moderately high complexity | 19 | $1,772 | $74 |
| Special stained specimen slides to examine tissue, each additional procedure | 12 | $1,664 | $26 |
| Evaluation of fine needle aspirate with interpretation and report | 15 | $1,048 | $58 |
| Special stained specimen slides to identify organisms including interpretation and report | 29 | $937 | $24 |
| Special stained specimen slides to examine tissue, initial procedure | 23 | $878 | $33 |
| Cell examination of specimen, selective cellular enhancement technique | 21 | $557 | $25 |
| Pap test, manual screening | 24 | $476 | $20 |
| Pap test | 20 | $405 | $20 |
| Special stained specimen slides to examine tissue including interpretation and report | 11 | $144 | $11 |
| Preparation of tissue for examination by removing any calcium present | 11 | $127 | $11 |
| Pathology examination of tissue using a microscope, moderately low complexity | 12 | $95 | $8 |
2022: 10 services
| Pathology examination of tissue using a microscope, intermediate complexity | 153 | $11,219 | $33 |
| Pap test, automated thin layer preparation; automated system and manual rescreening | 104 | $2,742 | $26 |
| Pathology examination of tissue using a microscope, moderately high complexity | 28 | $2,417 | $76 |
| Microscopic genetic analysis of tumor, manual | 13 | $1,411 | $39 |
| Special stained specimen slides to examine tissue, initial procedure | 28 | $1,352 | $31 |
| Special stained specimen slides to examine tissue, each additional procedure | 13 | $1,272 | $27 |
| Special stained specimen slides to identify organisms including interpretation and report | 26 | $960 | $25 |
| Pap test | 34 | $565 | $17 |
| Cell examination of specimen, selective cellular enhancement technique | 17 | $494 | $25 |
| Preparation of tissue for examination by removing any calcium present | 11 | $129 | $12 |
2021: 8 services
| Pathology examination of tissue using a microscope, intermediate complexity | 96 | $5,295 | $35 |
| Evaluation of fine needle aspirate with interpretation and report | 19 | $1,277 | $67 |
| Pathology examination of tissue using a microscope, moderately high complexity | 11 | $872 | $79 |
| Special stained specimen slides to examine tissue, initial procedure | 15 | $769 | $33 |
| Special stained specimen slides to identify organisms including interpretation and report | 19 | $686 | $25 |
| Cell examination of specimen, selective cellular enhancement technique | 16 | $449 | $26 |
| Cell examination of specimen, concentration technique | 15 | $323 | $22 |
| Pathology examination of tissue using a microscope, moderately low complexity | 11 | $119 | $11 |
2020: 1 service
| Preparation of tissue for examination by removing any calcium present | 11 | $121 | $11 |
2015: 5 services
| Pathology examination of tissue using a microscope, intermediate complexity | 75 | $4,528 | $33 |
| Pathology examination of tissue using a microscope, moderately high complexity | 11 | $843 | $77 |
| Special stained specimen slides to examine tissue, initial procedure | 18 | $841 | $32 |
| Cell examination of specimen, selective cellular enhancement technique | 15 | $303 | $20 |
| Special stained specimen slides to examine tissue including interpretation and report | 12 | $153 | $10 |
2014: 10 services
| Pathology examination of tissue using a microscope, intermediate complexity | 152 | $6,494 | $34 |
| Evaluation of fine needle aspirate with interpretation and report | 29 | $1,755 | $59 |
| Pathology examination of tissue using a microscope, moderately high complexity | 12 | $912 | $76 |
| Evaluation of fine needle aspirate | 27 | $870 | $32 |
| Cell examination of specimen, selective cellular enhancement technique | 30 | $789 | $21 |
| Cell examination of body fluid, smears | 25 | $743 | $27 |
| Immunohistochemistry or immunocytochemistry, per specimen; first single or multiplex antibody stain | 19 | $524 | $28 |
| Special stained specimen slides to examine tissue including interpretation and report | 22 | $281 | $11 |
| Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode | 12 | $241 | $20 |
| Pathology examination of tissue using a microscope, moderately low complexity | 15 | $133 | $9 |
2013: 9 services
| Pathology examination of tissue using a microscope, intermediate complexity | 144 | $6,876 | $32 |
| Special stained specimen slides to examine tissue, initial procedure | 22 | $1,751 | $38 |
| Cell examination of specimen, selective cellular enhancement technique | 18 | $1,132 | $51 |
| Pathology examination of tissue using a microscope, moderately high complexity | 15 | $1,049 | $62 |
| Evaluation of fine needle aspirate with interpretation and report | 14 | $1,007 | $63 |
| Special stained specimen slides to examine tissue including interpretation and report | 33 | $449 | $11 |
| Cell examination of body fluid, smears | 17 | $414 | $23 |
| Evaluation of fine needle aspirate | 11 | $353 | $32 |
| Pathology examination of tissue using a microscope, moderately low complexity | 18 | $161 | $8 |
Medicaid work
$16,350 in 2024
Medicaid paid $16,350 for 3,898 billed services this clinician did in 2024, up to 105 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.
| Cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation; with screening by automated system and manual rescreening or review, under physician supervision | 2,764 | $6,826 |
| TISSUE EXAM BY PATHOLOGIST | 847 | $6,458 |
| TISSUE EXAM BY PATHOLOGIST | 88 | $970 |
| TISSUE EXAM BY PATHOLOGIST | 46 | $873 |
| CYTP EVAL FINE NEEDLE ASPIRATE INTERP & REPORT | 55 | $467 |
| Immunohistochemistry or immunocytochemistry, per specimen; initial single antibody stain procedure | 25 | $335 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 22 | $150 |
| Cytopathology, selective cellular enhancement technique with interpretation (eg, liquid based slide preparation method), except cervical or vaginal | 29 | $145 |
| Cytopathology, evaluation of fine needle aspirate; immediate cytohistologic study to determine adequacy for diagnosis, first evaluation episode, each site | 22 | $125 |
| 2024 | 3,898 | 9 | 105 | $16,350 |
| 2023 | 4,355 | 9 | 94 | $26,605 |
| 2022 | 4,410 | 5 | 80 | $25,769 |
| 2021 | 1,354 | 8 | 79 | $9,617 |
| 2020 | 1,178 | 5 | 70 | $11,756 |
| 2019 | 1,167 | 7 | 56 | $14,200 |
| 2018 | 1,451 | 4 | 65 | $31,767 |
See the largest Medicaid services in earlier years
2023
| Cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation; with screening by automated system and manual rescreening or review, under physician supervision | 2,268 | $11,952 |
| TISSUE EXAM BY PATHOLOGIST | 1,231 | $10,974 |
| Cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation; manual screening under physician supervision | 481 | $1,581 |
| TISSUE EXAM BY PATHOLOGIST | 126 | $1,190 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 46 | $284 |
| TISSUE EXAM BY PATHOLOGIST | 96 | $275 |
| CYTP EVAL FINE NEEDLE ASPIRATE INTERP & REPORT | 49 | $186 |
| Cytopathology, selective cellular enhancement technique with interpretation (eg, liquid based slide preparation method), except cervical or vaginal | 39 | $110 |
| Immunohistochemistry or immunocytochemistry, per specimen; initial single antibody stain procedure | 19 | $54 |
2022
| Cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation; with screening by automated system and manual rescreening or review, under physician supervision | 2,957 | $12,738 |
| TISSUE EXAM BY PATHOLOGIST | 1,235 | $10,024 |
| TISSUE EXAM BY PATHOLOGIST | 132 | $2,770 |
| TISSUE EXAM BY PATHOLOGIST | 16 | $145 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 70 | $92 |
2021
| TISSUE EXAM BY PATHOLOGIST | 894 | $6,888 |
| TISSUE EXAM BY PATHOLOGIST | 88 | $1,053 |
| Cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation; with screening by automated system and manual rescreening or review, under physician supervision | 242 | $944 |
| TISSUE EXAM BY PATHOLOGIST | 18 | $375 |
| CYTP EVAL FINE NEEDLE ASPIRATE INTERP & REPORT | 61 | $243 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 17 | $66 |
| Cytopathology, concentration technique, smears and interpretation (eg, Saccomanno technique) | 17 | $48 |
| Cytopathology, selective cellular enhancement technique with interpretation (eg, liquid based slide preparation method), except cervical or vaginal | 17 | $0 |
2020
| TISSUE EXAM BY PATHOLOGIST | 1,022 | $9,892 |
| TISSUE EXAM BY PATHOLOGIST | 90 | $1,282 |
| TISSUE EXAM BY PATHOLOGIST | 17 | $320 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 34 | $170 |
| Immunohistochemistry or immunocytochemistry, per specimen; initial single antibody stain procedure | 15 | $93 |
2019
| TISSUE EXAM BY PATHOLOGIST | 965 | $13,144 |
| CYTP EVAL FINE NEEDLE ASPIRATE INTERP & REPORT | 69 | $495 |
| TISSUE EXAM BY PATHOLOGIST | 13 | $259 |
| Cytopathology, evaluation of fine needle aspirate; immediate cytohistologic study to determine adequacy for diagnosis, first evaluation episode, each site | 26 | $166 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 36 | $71 |
| Cytopathology, selective cellular enhancement technique with interpretation (eg, liquid based slide preparation method), except cervical or vaginal | 46 | $40 |
| TISSUE EXAM BY PATHOLOGIST | 12 | $24 |
2018
| TISSUE EXAM BY PATHOLOGIST | 1,286 | $30,309 |
| TISSUE EXAM BY PATHOLOGIST | 118 | $958 |
| CYTP EVAL FINE NEEDLE ASPIRATE INTERP & REPORT | 20 | $418 |
| Special stain including interpretation and report; Group I for microorganisms (eg, acid fast, methenamine silver) | 27 | $83 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 80.6 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1073582979
- Licence
- CA A78518California A78518: Current · expires 2027-12-31
- Trained
- University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), 2000
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207ZP0102X (207ZP0102X); Federal specialty code 207ZC0500X (207ZC0500X)
- Mailing address
- 715 Washington St, Daly City, CA, 94015
- NPI first listed
- 2006-03-15
- NPI last updated
- 2024-11-05
- NPI record certified
- 2024-11-05
This is when the NPI record was last certified, not a medical board exam.