Michael John Benko, DO
Neurosurgery · Fairfield
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 15
- 3 carriers
- Office
- 1
- Since medical school
- 11 years
- Nova Southeastern College of Osteo Medicine, 2015
Offices
1 location · Northbay Physicians Surgery Center, LLC · 336 clinicians in this group
Looking this up.
Hospitals listed: Northbay Medical Center. That is not proof they admit you there this week.
Plans that list them
15 plans · 3 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Benko’s office at (707) 646-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
15 of 15 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 |
| Central Health Classic Care Plan III (HMO) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Dual Access Plan (HMO D-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Embrace Choice Plan (HMO C-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Valor Care Plan (HMO) | Central Health Medicare Plan | Listed | Aug 15, 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 C19654 · Deceased
Licence status: Deceased · since 1958 · University of Illinois College of Medicine.
Licensee is deceased.
Matched on the licence number without its letter prefix; check the name before relying on it.
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.
- Northbay Medical CenterFairfield, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Northbay Healthcare, which runs 2 hospitalsPatients rate it 2 of 5 · 67% would definitely recommend itOverall rating: 2 of 5 starsWorse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.6 (11 to 18.8) · 166 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Northbay Medical Center
Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 0 worse of 7 measures. Readmissions: 0 better, 8 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.
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 14.6 (11 to 18.8) · 166 cases | Worse | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.08 (0.1 to 2.06) · 1,001 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.04 (0.7 to 1.38) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 180.67 (132.84 to 228.51) · 88 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 3.7 · 31 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.4 · 171 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 13 · 180 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 10.4 · 338 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 13.7 · 552 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 12.6 · 238 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.6 · 2,034 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0 to 0.4) · 6,261 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.22 (0.02 to 0.42) · 6,385 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.02 (1.87 to 6.16) · 1,179 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.89 (0.26 to 3.51) · 280 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.02 (0.51 to 3.54) · 1,156 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 12.55 (4.71 to 20.39) · 284 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.96 (1.99 to 9.92) · 276 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.96 (0.48 to 3.43) · 256 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.34 (0 to 1) · 4,549 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.7 · 25 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.663 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.985 | No different | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.763 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.923 | 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 | 13.6 · 197 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.1 · 420 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 0.7 · 197 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 32.6 · 439 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 25 · 627 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 18.8 · 560 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.5 (3.7 to 7.9) · 166 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.6 · 25 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.9 · 210 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 14.1 (10.5 to 19) · 196 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.9 (0.7 to 1.3) · 250 cases | No different | Jan 2024 – Dec 2024 |
What patients said (1,123 patients answered, 20% of those asked)
| Cleanliness | 3 |
| Nurse communication | 2 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 3 |
| Room was "always" clean | 71% |
| Nurses "always" communicated well | 72% |
| Doctors "always" communicated well | 74% |
| Staff "always" explained | 54% |
| Yes, staff "did" give patients this information | 85% |
| Yes, staff "did" give patients information about help after discharge | 83% |
| Doctors "always" explained things so they could understand | 70% |
| Doctors "always" listened carefully | 72% |
| Doctors "always" treated them with courtesy and respect | 80% |
| Patients who gave a rating of "9" or "10" (high) | 64% |
| Staff "always" explained new medications | 69% |
| Nurses "always" explained things so they could understand | 67% |
| Nurses "always" listened carefully | 70% |
| Nurses "always" treated them with courtesy and respect | 80% |
| "Always" quiet at night | 44% |
| "YES", patients would definitely recommend the hospital | 67% |
| Staff "always" explained possible side effects | 40% |
| Yes, staff "did" give patients information about possible symptoms | 87% |
Original Medicare doctor bills
$22,361
Medicare paid this office $22,361 for 43 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 20 | $3,111 | $148 |
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 14 | $1,933 | $97 |
Procedures Medicare counted
| Spinal fusion | 13 | More than 30% of doctors who do this |
Who their Medicare patients are
43 Original Medicare patients in 2024. Average age 75 · Women 65% · Also on Medicaid 56% · Health risk score 2.99. Sicker patients than 9 in 10 peers; the typical neurosurgery clinician is at 1.46.
Conditions among them: High blood pressure 75% · Stroke 60% · Coronary heart disease 47% · Diabetes 44% · Chronic kidney disease 44% · COPD 40% · Atrial fibrillation 37% · Heart failure 35% · Depression 26% · Dementia 26%.
The office billed $82,621, Medicare allowed $28,131 and paid $22,361; for 96 services of 24 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 | 43 | 96 | 75 | 2.99 | $82,621 | $22,361 |
| 2023 | 44 | 119 | 76 | 1.82 | $139,329 | $28,429 |
| 2022 | 14 | 20 | 76 | 1.71 | $13,766 | $3,873 |
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: 3 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 15 | $2,413 | $97 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 16 | $2,354 | $147 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 11 | $940 | $67 |
Drugs they prescribed that Part D paid
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 34% of their 35 Part D prescriptions in 2020. Too few prescriptions to judge: with under about 50 a year, a handful of patients can swing this share.
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
Year by year
| 2022 | 12 | None | None | None | $295 |
| 2021 | 15 | None | None | 0% | $141 |
| 2020 | 35 | 21 | 34% (12) | None | $718 |
| 2019 | 49 | 31 | 33% (16) | None | $1,222 |
| 2018 | 42 | 29 | 43% (18) | 0% | $640 |
| 2017 | 39 | 24 | 44% (17) | 0% | $442 |
| 2016 | 12 | None | None | 0% | $193 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2018: 1 drug
| Hydrocodone-Acetaminophen | 14 | $227 | $16 |
2017: 1 drug
| Hydrocodone-Acetaminophen | 13 | $176 | $14 |
Money from drug and device companies
$361 in 2025
| 2025 | 4 | 11 | None | $361 |
| 2024 | 5 | 13 | None | $677 |
| 2023 | 5 | 6 | None | $276 |
| 2022 | 4 | 4 | None | $465 |
| 2021 | 1 | 1 | None | $11 |
| 2019 | 2 | 3 | None | $123 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Providence Medical Technology | None | $176 | 5 payments
|
| Medtronic | Catalyft Pl Expandable Interbody System | $123 | 3 payments
|
| Sanara MedTech | Biasurge | $36 | 2 payments
|
| Centinel Spine | Prodisc L | $25 | 1 payment
|
See all 11 published payments
| Medtronic | Meals · 2025-11-01 | Stealthstation S8 Platform | $51 |
| Centinel Spine | Meals · 2025-10-20 | Prodisc L | $25 |
| Medtronic | Meals · 2025-10-15 | Catalyft Pl Expandable Interbody System | $28 |
| Providence Medical Technology | Meals · 2025-08-29 | None | $28 |
| Sanara MedTech | Meals · 2025-07-10 | Biasurge | $12 |
| Providence Medical Technology | Meals · 2025-06-09 | None | $45 |
| Providence Medical Technology | Meals · 2025-03-10 | None | $44 |
| Sanara MedTech | Meals · 2025-02-27 | Biasurge | $25 |
| Medtronic | Meals · 2025-01-16 | Catalyft Pl Expandable Interbody System | $45 |
| Providence Medical Technology | Meals · 2025-01-08 | None | $44 |
| Providence Medical Technology | Meals · 2025-01-08 | None | $15 |
See earlier years (2024, 2023, 2022, 2021, 2019)
2024: $677
| Globus Medical | Creo One Robotic Screw | $272 | 7 payments
|
| 4web | Spine Truss System | $204 | 2 payments
|
| Spineart USA | Perla Tl | $133 | 2 payments
|
| Medtronic | Catalyft Pl Expandable Interbody System | $43 | 1 payment
|
| Augmedics | Xvision | $25 | 1 payment
|
2023: $276
| Medtronic | Catalyft Pl Expandable Interbody System | $93 | 2 payments
|
| Alphatec Spine | None | $91 | 1 payment
|
| Globus Medical | Creo 5.5 | $50 | 1 payment
|
| Si-Bone | None | $24 | 1 payment
|
| Providence Medical Technology | None | $17 | 1 payment
|
2022: $465
| Stryker | Adherus Autospray Dural Sealant | $164 | 1 payment
|
| Medtronic | Vanta Adaptivestim | $135 | 1 payment
|
| Si-Bone | None | $84 | 1 payment
|
| Nevro | Omnia | $82 | 1 payment
|
2021: $11
| Medtronic | Pipeline | $11 | 1 payment
|
2019: $123
| Boston Scientific | Spectra Wavewriter | $84 | 2 payments
|
| Medtronic USA | Prestige | $39 | 1 payment
|
Professional record
- NPI
- 1801274006
- Licence
- CA 19654California C19654: Deceased
- Trained
- Nova Southeastern College of Osteo Medicine, 2015 · 11 years ago
- Gender
- Male
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 207T00000X (207T00000X)
- Mailing address
- 103 Bodin Cir Bldg 778, Travis Afb, CA, 94535
- NPI first listed
- 2015-05-08
- NPI last updated
- 2026-04-10
- NPI record certified
- 2026-04-10
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 3421 Villa Ln Ste 2c, Napa, CA, 94558