John M Webb, MD
Diagnostic Radiology · Sacramento
- 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
- 5
- Since medical school
- 21 years
- Graduated 2005
Offices
5 locations · Permanente Medical Group Inc · 10,928 clinicians in this group
Looking this up.
Hospitals listed: Kaiser Foundation Hosp So Sacramento. 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. Webb’s office to ask if they take your plan before you enroll.
California Medical Board record
Licence A100404 · Current
Licensed to practise in California · since 2007 · expires 2027-03-31 · University of California, Davis School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
School, training and certification
What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.
Specialty certification
- American Board of Nuclear Medicine - Nuclear Medicine
- American Board of Radiology - Diagnostic Radiology
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.
- Kaiser Foundation Hosp So SacramentoSacramento, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Kaiser Permanente, which runs 41 hospitals in 3 statesPatients rate it 3 of 5 · 70% would definitely recommend itOverall rating: 2 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.516, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.401, Oct 2024 – Sep 2025
See every measure and the patient survey for Kaiser Foundation Hosp So Sacramento
Behind the star rating — Deaths: 0 better, 5 the same, 0 worse of 5 measures. Safety: 1 better, 5 the same, 0 worse of 6 measures. Readmissions: 0 better, 2 the same, 1 worse of 3 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.516 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.401 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1 (0 to 2.06) · 309 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.86 (0.43 to 1.29) | No different | Jul 2022 – Jun 2024 |
| Death rate for heart attack patientsComplications and deaths | 12.1 · 55 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 9.8 · 51 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 19.9 · 55 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.7 · 289 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 4.1 · 3,587 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.19 (0 to 0.42) · 1,612 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.26 (0.05 to 0.47) · 1,603 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.13 (0.63 to 5.63) · 259 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.65 (0 to 3.38) · 48 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.19 (0.51 to 3.87) · 247 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 8.95 (0 to 18.9) · 32 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.02 (0.77 to 9.27) · 47 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.74 (0.22 to 3.26) · 57 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.32 (0 to 1.27) · 1,380 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 25 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.72 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 1.213 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.492 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 12.8 · 296 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20.9 · 826 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 4.2 · 54 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 8.9 · 51 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.6 · 681 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 21.5 · 275 cases | None | Jul 2023 – Jun 2025 |
What patients said (542 patients answered, 19% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 4 |
| Room was "always" clean | 71% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 78% |
| Staff "always" explained | 62% |
| Yes, staff "did" give patients this information | 90% |
| Yes, staff "did" give patients information about help after discharge | 92% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 76% |
| Doctors "always" treated them with courtesy and respect | 83% |
| Patients who gave a rating of "9" or "10" (high) | 68% |
| Staff "always" explained new medications | 74% |
| Nurses "always" explained things so they could understand | 73% |
| Nurses "always" listened carefully | 71% |
| Nurses "always" treated them with courtesy and respect | 81% |
| "Always" quiet at night | 41% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 49% |
| Yes, staff "did" give patients information about possible symptoms | 89% |
Original Medicare doctor bills
$33,984
Medicare paid this office $33,984 for 173 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Nuclear medicine study from skull base to mid-thigh with ct scan | 11 | $17,994 | $692 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 13 | $4,222 | $281 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 19 | $1,156 | $61 |
| Dxa bone density measurement of hip, pelvis, spine | 29 | $1,151 | $20 |
| Ct scan head or brain without contrast | 12 | $354 | $27 |
See all 7 services
| Nuclear medicine study from skull base to mid-thigh with ct scan | 11 | $17,994 | $692 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 13 | $4,222 | $281 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 19 | $1,156 | $61 |
| Dxa bone density measurement of hip, pelvis, spine | 29 | $1,151 | $20 |
| Ct scan head or brain without contrast | 12 | $354 | $27 |
| Dxa bone density measurement of hip, pelvis, spine | 27 | $258 | $10 |
| X-ray of chest, 1 view | 14 | $69 | $5 |
Who their Medicare patients are
173 Original Medicare patients in 2024. Average age 70 · Women 65% · Also on Medicaid 76% · Health risk score 1.32. At or below the middle of the specialty; the typical diagnostic radiology clinician is at 1.7.
Conditions among them: High blood pressure 65% · Diabetes 39% · Chronic kidney disease 27% · Coronary heart disease 25% · Depression 24% · Heart failure 21% · Atrial fibrillation 15% · COPD 14% · Cancer 12% · Dementia 12% · Stroke 10%.
The office billed $144,622, Medicare allowed $42,880 and paid $33,984; for 360 services of 41 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 | 173 | 360 | 70 | 1.32 | $144,622 | $33,984 |
| 2023 | 155 | 227 | 69 | 1.56 | $76,635 | $18,034 |
| 2022 | 146 | 383 | 70 | 2.14 | $89,862 | $21,187 |
| 2021 | 151 | 223 | 69 | 2.14 | $45,584 | $6,831 |
| 2020 | 115 | 156 | 68 | 2.46 | $36,065 | $6,217 |
| 2019 | 234 | 351 | 69 | 2.27 | $59,962 | $8,112 |
| 2018 | 205 | 278 | 69 | 2.19 | $62,299 | $8,438 |
| 2017 | 213 | 401 | 67 | 2.28 | $38,550 | $5,943 |
| 2016 | 199 | 275 | 66 | 2.11 | $41,995 | $8,237 |
| 2015 | 154 | 232 | 67 | 2.17 | $49,029 | $7,234 |
| 2014 | 147 | 210 | 66 | 2.23 | $36,135 | $5,135 |
| 2013 | 19 | 26 | 65 | 1.04 | $7,990 | $1,185 |
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: 4 services
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 16 | $930 | $58 |
| Dxa bone density measurement of hip, pelvis, spine | 18 | $713 | $20 |
| Ct scan head or brain without contrast | 14 | $297 | $21 |
| Dxa bone density measurement of hip, pelvis, spine | 27 | $261 | $10 |
2022: 4 services
| Dxa bone density measurement of hip, pelvis, spine | 22 | $869 | $20 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 13 | $740 | $57 |
| Dxa bone density measurement of hip, pelvis, spine | 14 | $139 | $10 |
| X-ray of chest, 1 view | 13 | $74 | $5 |
2021: 3 services
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 19 | $1,226 | $65 |
| Ct scan head or brain without contrast | 18 | $577 | $30 |
| X-ray of chest, 1 view | 34 | $239 | $6 |
2020: 4 services
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 20 | $1,127 | $56 |
| Ct scan of chest with contrast | 12 | $558 | $46 |
| Ct scan head or brain without contrast | 15 | $433 | $29 |
| X-ray of chest, 1 view | 20 | $152 | $7 |
2019: 4 services
| Ct scan head or brain without contrast | 34 | $1,238 | $33 |
| Ct scan of abdomen and pelvis with contrast | 14 | $1,001 | $71 |
| X-ray of chest, 1 view | 92 | $810 | $7 |
| X-ray of chest, 2 views | 11 | $99 | $9 |
2018: 7 services
| Ct scan head or brain without contrast | 43 | $1,283 | $30 |
| Ct scan of abdomen and pelvis with contrast | 14 | $895 | $64 |
| Ct scan of chest with contrast | 12 | $521 | $43 |
| Screening mammography | 11 | $412 | $37 |
| Ct scan of upper spine without contrast | 11 | $411 | $34 |
| X-ray of chest, 1 view | 43 | $332 | $7 |
| X-ray of chest, 2 views | 12 | $69 | $6 |
2017: 4 services
| Ct scan of abdomen and pelvis with contrast | 14 | $978 | $70 |
| X-ray of chest, 1 view, front | 75 | $571 | $6 |
| Ct scan head or brain without contrast | 17 | $486 | $29 |
| X-ray of chest, 2 views, front and side | 29 | $205 | $7 |
2016: 3 services
| X-ray of chest, 1 view, front | 63 | $482 | $6 |
| Ct scan head or brain without contrast | 14 | $447 | $30 |
| X-ray of chest, 2 views, front and side | 24 | $163 | $7 |
2015: 3 services
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 11 | $641 | $58 |
| Ct scan head or brain without contrast | 22 | $554 | $25 |
| X-ray of chest, 1 view, front | 40 | $290 | $7 |
2014: 4 services
| Ct scan head or brain without contrast | 29 | $811 | $28 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 12 | $690 | $58 |
| X-ray of chest, 1 view, front | 40 | $300 | $7 |
| X-ray of chest, 2 views, front and side | 14 | $90 | $6 |
Medicaid work
$520,500 in 2024
Medicaid paid $520,500 for 1,391 billed services this clinician did in 2024, up to 75 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.
| Positron emission tomography (PET) with concurrently acquired computed tomography (CT) for attenuation correction and anatomical localization imaging; skull base to mid-thigh | 278 | $419,382 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 137 | $52,231 |
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 837 | $36,281 |
| Myocardial perfusion imaging, tomographic (SPECT) (including attenuation correction, qualitative or quantitative wall motion, ejection fraction by first pass or gated technique, additional quantification, when performed); multiple studies, at rest and/or stress (exercise or pharmacologic) and/or redistribution and/or rest reinjection | 67 | $11,544 |
| Radiologic examination, chest; single view | 54 | $674 |
| Radiologic examination, chest; 2 views | 18 | $388 |
| 2024 | 1,391 | 6 | 75 | $520,500 |
| 2023 | 974 | 6 | 94 | $328,656 |
| 2022 | 501 | 5 | 35 | $67,736 |
| 2021 | 521 | 7 | 42 | $16,219 |
| 2020 | 280 | 4 | 30 | $7,338 |
| 2019 | 1,162 | 8 | 78 | $2,953 |
| 2018 | 518 | 6 | 41 | $655 |
See the largest Medicaid services in earlier years
2023
| Positron emission tomography (PET) with concurrently acquired computed tomography (CT) for attenuation correction and anatomical localization imaging; skull base to mid-thigh | 192 | $298,395 |
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 640 | $23,514 |
| Myocardial perfusion imaging, tomographic (SPECT) (including attenuation correction, qualitative or quantitative wall motion, ejection fraction by first pass or gated technique, additional quantification, when performed); multiple studies, at rest and/or stress (exercise or pharmacologic) and/or redistribution and/or rest reinjection | 32 | $4,140 |
| Radiologic examination, chest; 2 views | 70 | $1,378 |
| ECHO EXAM OF ABDOMEN | 17 | $1,132 |
| Radiologic examination, chest; single view | 23 | $97 |
2022
| Positron emission tomography (PET) with concurrently acquired computed tomography (CT) for attenuation correction and anatomical localization imaging; skull base to mid-thigh | 51 | $54,106 |
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 381 | $11,456 |
| Myocardial perfusion imaging, tomographic (SPECT) (including attenuation correction, qualitative or quantitative wall motion, ejection fraction by first pass or gated technique, additional quantification, when performed); multiple studies, at rest and/or stress (exercise or pharmacologic) and/or redistribution and/or rest reinjection | 14 | $1,530 |
| Radiologic examination, chest; 2 views | 22 | $391 |
| Radiologic examination, chest; single view | 33 | $253 |
2021
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 305 | $10,303 |
| Myocardial perfusion imaging, tomographic (SPECT) (including attenuation correction, qualitative or quantitative wall motion, ejection fraction by first pass or gated technique, additional quantification, when performed); multiple studies, at rest and/or stress (exercise or pharmacologic) and/or redistribution and/or rest reinjection | 12 | $2,167 |
| Radiologic examination, chest; single view | 140 | $1,377 |
| Computed tomography, head or brain; without contrast material | 12 | $961 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 19 | $760 |
| CT ABDOMEN & PELVIS W/CONTRAST MATERIAL | 13 | $555 |
| Radiologic examination, chest; 2 views | 20 | $96 |
2020
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 150 | $5,353 |
| Myocardial perfusion imaging, tomographic (SPECT) (including attenuation correction, qualitative or quantitative wall motion, ejection fraction by first pass or gated technique, additional quantification, when performed); multiple studies, at rest and/or stress (exercise or pharmacologic) and/or redistribution and/or rest reinjection | 15 | $1,067 |
| Radiologic examination, chest; single view | 96 | $543 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 19 | $375 |
2019
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 67 | $765 |
| Computed tomography, head or brain; without contrast material | 74 | $723 |
| CT ABDOMEN & PELVIS W/CONTRAST MATERIAL | 63 | $626 |
| Radiologic examination, chest; single view | 533 | $520 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 327 | $240 |
| Radiologic examination, chest; 2 views | 66 | $73 |
| X-RAY EXAM OF ANKLE | 15 | $6 |
| ECHO EXAM OF ABDOMEN | 17 | $0 |
2018
| Computed tomography, head or brain; without contrast material | 46 | $311 |
| Radiologic examination, chest; single view | 96 | $146 |
| ECHO EXAM OF ABDOMEN | 30 | $126 |
| Radiologic examination, chest; 2 views | 52 | $73 |
| Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (CAD) when performed | 235 | $0 |
| DXA BONE DENSITY STUDY 1/> SITES AXIAL SKEL | 59 | $0 |
Professional record
- NPI
- 1255535647
- Licence
- CA A100404California A100404: Current · expires 2027-03-31
- Gender
- Male
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 2085N0904X (2085N0904X)
- Mailing address
- 4860 Y St, Dept. of Radiology, Suite 3100, Sacramento, CA, 95817
- NPI first listed
- 2007-06-12
- NPI last updated
- 2022-02-11
This is when the NPI record was last certified, not a medical board exam.
This office lists an electronic records connection.