Sumit Kumar, MD
General Surgery · Santa Rosa
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Offices
- 4
Offices
4 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Looking this up.
Hospitals listed: Sutter Santa Rosa Regional Hospital. That is not proof they admit you there this week.
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Kumar’s office to ask if they take your plan before you enroll.
California Medical Board record
Licence A133698 · Current
Licensed to practise in California · since 2014 · expires 2028-04-30 · University of Delhi, University College of Medical Sciences and Gtb Hospital.
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.
- Sutter Santa Rosa Regional HospitalSanta Rosa, CAAcute Care Hospital · Voluntary non-profit - Other · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 3 of 5 · 79% would definitely recommend itOverall rating: 5 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.157, Oct 2024 – Sep 2025
See every measure and the patient survey for Sutter Santa Rosa Regional Hospital
Behind the star rating — Deaths: 1 better, 6 the same, 0 worse of 7 measures. Safety: 1 better, 6 the same, 0 worse of 7 measures. Readmissions: 1 better, 8 the same, 1 worse of 10 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.157 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.03 (0.08 to 1.99) · 1,147 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.03 (0.69 to 1.37) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 162.53 (108.3 to 216.76) · 54 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for COPD patientsComplications and deaths | 6.8 · 85 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 11.8 · 192 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 10.5 · 316 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14 · 296 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 11.6 · 142 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.9 · 1,971 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.26 (0.06 to 0.47) · 4,946 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.23 (0.03 to 0.43) · 4,974 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.99 (2.93 to 7.06) · 1,288 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.5 (0 to 3.15) · 532 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.36 (0.82 to 3.9) · 1,214 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 9.87 (2.35 to 17.39) · 558 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 8.01 (4.29 to 11.73) · 522 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.6 (0.14 to 3.05) · 337 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.18 (0 to 0.89) · 4,064 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.1 · 206 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.626 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.299 | 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 | 14.1 · 186 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21 · 342 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | -4.1 · 184 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -14 · 352 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -17.4 · 309 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.2 · 309 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 7.2 (5.1 to 9.8) · 259 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 11.6 (8.8 to 15) · 259 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.3 · 215 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.8 · 100 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 14 (10.8 to 18) · 1,275 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.1 (0.9 to 1.4) · 702 cases | No different | Jan 2024 – Dec 2024 |
What patients said (752 patients answered, 22% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 3 |
| Recommend hospital | 5 |
| Room was "always" clean | 67% |
| Nurses "always" communicated well | 79% |
| Doctors "always" communicated well | 75% |
| Staff "always" explained | 57% |
| 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 | 70% |
| Doctors "always" listened carefully | 74% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 76% |
| Staff "always" explained new medications | 69% |
| Nurses "always" explained things so they could understand | 74% |
| Nurses "always" listened carefully | 75% |
| Nurses "always" treated them with courtesy and respect | 86% |
| "Always" quiet at night | 55% |
| "YES", patients would definitely recommend the hospital | 79% |
| Staff "always" explained possible side effects | 45% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$54,932
Medicare paid this office $54,932 for 172 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 94 | $10,875 | $61 |
| Removal of gallbladder using an endoscope | 15 | $7,515 | $501 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 55 | $7,048 | $124 |
Procedures Medicare counted
| Colonoscopy | 1-10 | None |
| Hernia repair - groin (open) | 1-10 | None |
| Hernia repair (minimally invasive) | 1-10 | None |
| Removal of tissue | 1-10 | None |
| Removal or shaving of skin growth | 1-10 | None |
Who their Medicare patients are
172 Original Medicare patients in 2024. Average age 75 · Under 65 10% · 85 and older 17% · Women 61% · Also on Medicaid 36% · Health risk score 2.07. Above the middle of the specialty; the typical general surgery clinician is at 1.69.
Conditions among them: High blood pressure 73% · Chronic kidney disease 38% · Atrial fibrillation 33% · Diabetes 29% · Coronary heart disease 29% · Depression 29% · Heart failure 27% · COPD 27% · Cancer 20% · Stroke 15% · Dementia 13%.
The office billed $286,874, Medicare allowed $72,463 and paid $54,932; for 343 services of 43 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 | 172 | 343 | 75 | 2.07 | $286,874 | $54,932 |
| 2023 | 168 | 407 | 74 | 2.02 | $317,427 | $65,224 |
| 2022 | 123 | 286 | 71 | 3.02 | $122,947 | $34,198 |
| 2021 | 125 | 390 | 71 | 2.81 | $174,833 | $49,044 |
| 2020 | 184 | 613 | 70 | 2.90 | $233,128 | $62,036 |
| 2019 | 140 | 416 | 69 | 2.76 | $155,323 | $45,536 |
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: 5 services
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 77 | $9,959 | $66 |
| Removal of gallbladder using an endoscope | 11 | $5,931 | $539 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 48 | $5,258 | $103 |
| Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes | 38 | $2,660 | $65 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 37 | $2,551 | $40 |
2022: 3 services
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 50 | $5,213 | $97 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 41 | $2,406 | $28 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 15 | $1,235 | $56 |
2021: 7 services
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 51 | $5,336 | $103 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 40 | $3,235 | $29 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 17 | $2,458 | $145 |
| New patient visit (30+ min) | 11 | $936 | $85 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 14 | $920 | $66 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 11 | $880 | $55 |
| Ultrasonic guidance for blood vessel access | 17 | $183 | $11 |
2020: 7 services
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 49 | $5,364 | $107 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 54 | $4,412 | $31 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 45 | $3,480 | $66 |
| Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes | 30 | $2,489 | $78 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 17 | $2,449 | $144 |
| New patient visit (30+ min) | 18 | $1,348 | $75 |
| Ultrasonic guidance for blood vessel access | 42 | $612 | $11 |
2019: 10 services
| Insertion of central venous tube with port (5 years or older) | 13 | $3,388 | $261 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 21 | $3,143 | $150 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 32 | $2,887 | $30 |
| New patient visit (30+ min) | 36 | $2,716 | $75 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 25 | $2,577 | $103 |
| Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes | 26 | $2,035 | $78 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | 28 | $2,023 | $67 |
| Short return visit (20+ min) | 19 | $1,170 | $56 |
| Ultrasonic guidance for blood vessel access | 27 | $350 | $11 |
| Fluoroscopic guidance for insertion or removal of central vein access device | 23 | $349 | $15 |
Medicaid work
$2,393 in 2024
Medicaid paid $2,393 for 37 billed services this clinician did in 2024, up to 13 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.
| 1ST HOSP IP/OBS HIGH 75 | 12 | $1,370 |
| SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES | 25 | $1,023 |
| 2024 | 37 | 2 | 13 | $2,393 |
| 2023 | 28 | 1 | 15 | $997 |
See the largest Medicaid services in earlier years
2023
| SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES | 28 | $997 |
Money from drug and device companies
$32 in 2025
| 2025 | 1 | 1 | None | $32 |
| 2024 | 2 | 2 | None | $151 |
| 2023 | 1 | 7 | None | $3,008 |
| 2019 | 1 | 1 | None | $15 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Hologic Sales and Service | Coolseal Generator | $32 | 1 payment
|
See the published payment
| Hologic Sales and Service | Meals · 2025-02-04 | Coolseal Generator | $32 |
See earlier years (2024, 2023, 2019)
2024: $151
| Medtronic | Signia | $128 | 1 payment
|
| Intuitive Surgical | Da Vinci Surgical System | $23 | 1 payment
|
2023: $3,008
| Intuitive Surgical | Davinci Xi | $3,008 | 7 payments
|
2019: $15
| Fresenius USA Marketing | Velphoro | $15 | 1 payment
|
Professional record
- NPI
- 1811251929
- Licence
- CA A133698, OK 34201California A133698: Current · expires 2028-04-30
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 2086S0102X (2086S0102X)
- Mailing address
- Po Box 276950, Sacramento, CA, 95827
- NPI first listed
- 2012-07-03
- NPI last updated
- 2025-10-29
- NPI record certified
- 2025-10-29
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 101 Rockefeller Dr Ste 201, Muskogee, OK, 74401 · 4502 Medical Dr, San Antonio, TX, 78229