John B Cellar, MD
Anesthesiology · San Jose
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
Offices
1 location · G2 Anesthesia PC · 104 clinicians in this group
Looking this up.
Hospitals listed: Good Samaritan 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. Cellar’s office at (408) 559-2011 to ask if they take your plan before you enroll.
California Medical Board record
Licence A49077 · Current
Licensed to practise in California · since 1991 · expires 2028-08-31 · Baylor 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.
- Good Samaritan HospitalSan Jose, CAAcute Care Hospital · Proprietary · Has an emergency department · Birthing-friendlyPart of HCA Healthcare, which runs 185 hospitals in 19 statesPatients rate it 2 of 5 · 67% would definitely recommend itOverall rating: 2 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.337, Oct 2024 – Sep 2025
See every measure and the patient survey for Good Samaritan Hospital
Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 1 worse of 8 measures. Readmissions: 0 better, 5 the same, 4 worse of 9 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Clostridium Difficile (C.Diff)Infections | 0.337 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.75 (0 to 1.67) · 1,340 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.84 (0.54 to 1.14) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 143.59 (98.7 to 188.49) · 98 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.7 · 45 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.1 · 100 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12.7 · 270 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 11.3 · 573 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.6 · 820 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.5 · 482 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.3 · 3,711 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.12 (0 to 0.3) · 8,866 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.2 (0.01 to 0.38) · 9,051 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 2.65 (0.74 to 4.56) · 1,929 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.8 (0.21 to 3.39) · 670 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.33 (0.88 to 3.78) · 1,836 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 6.73 (0 to 13.46) · 669 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 7.58 (3.96 to 11.19) · 654 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.59 (0.13 to 3.04) · 496 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.27 (0 to 0.87) · 7,373 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 4.1 · 152 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 1.08 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.542 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.484 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.565 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15.8 · 327 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 24.2 · 703 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 61.1 · 289 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 36.3 · 665 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 25.4 · 856 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 19 · 978 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 6.3 · 144 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 12.3 · 46 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 21.2 · 135 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.8 (10.1 to 18.6) · 129 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.2 (0.9 to 1.5) · 531 cases | No different | Jan 2024 – Dec 2024 |
What patients said (704 patients answered, 24% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 2 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 2 |
| Quietness | 1 |
| Recommend hospital | 3 |
| Room was "always" clean | 66% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 71% |
| Staff "always" explained | 54% |
| Yes, staff "did" give patients this information | 83% |
| Yes, staff "did" give patients information about help after discharge | 81% |
| Doctors "always" explained things so they could understand | 66% |
| Doctors "always" listened carefully | 69% |
| Doctors "always" treated them with courtesy and respect | 78% |
| Patients who gave a rating of "9" or "10" (high) | 63% |
| Staff "always" explained new medications | 68% |
| Nurses "always" explained things so they could understand | 69% |
| Nurses "always" listened carefully | 73% |
| Nurses "always" treated them with courtesy and respect | 82% |
| "Always" quiet at night | 38% |
| "YES", patients would definitely recommend the hospital | 67% |
| Staff "always" explained possible side effects | 40% |
| Yes, staff "did" give patients information about possible symptoms | 86% |
Original Medicare doctor bills
$45,026
Medicare paid this office $45,026 for 258 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Anesthesia for lens surgery | 67 | $7,680 | $111 |
| Anesthesia for other procedure on large bowel using an endoscope | 55 | $6,287 | $114 |
| Anesthesia for retinal surgery | 14 | $2,304 | $165 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | $1,579 | $113 |
Who their Medicare patients are
258 Original Medicare patients in 2024. Average age 75 · Women 56% · Also on Medicaid 12% · Health risk score 1.04. At or below the middle of the specialty; the typical anesthesiology clinician is at 1.54.
Conditions among them: High blood pressure 75% · Diabetes 31% · Coronary heart disease 23% · Cancer 20% · Atrial fibrillation 18% · Depression 15% · Chronic kidney disease 14% · Heart failure 13% · COPD 10% · Stroke 10% · Dementia 5%.
The office billed $659,590, Medicare allowed $56,026 and paid $45,026; for 281 services of 47 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 | 258 | 281 | 75 | 1.04 | $659,590 | $45,026 |
| 2023 | 202 | 212 | 75 | 1.04 | $367,614 | $31,776 |
| 2022 | 209 | 224 | 75 | 1.18 | $366,642 | $33,121 |
| 2021 | 214 | 230 | 75 | 1.34 | $414,656 | $37,726 |
| 2020 | 219 | 241 | 74 | 1.25 | $455,614 | $41,782 |
| 2019 | 236 | 253 | 75 | 1.38 | $428,780 | $48,029 |
| 2018 | 197 | 211 | 74 | 1.44 | $305,350 | $40,605 |
| 2017 | 179 | 220 | 75 | 1.16 | $267,511 | $38,819 |
| 2016 | 180 | 199 | 73 | 1.52 | $262,248 | $40,968 |
| 2015 | 163 | 191 | 73 | 1.35 | $226,754 | $38,420 |
| 2014 | 162 | 176 | 74 | 1.16 | $201,916 | $34,763 |
| 2013 | 156 | 193 | 74 | 1.26 | $221,067 | $36,890 |
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
| Anesthesia for lens surgery | 56 | $6,087 | $109 |
| Anesthesia for other procedure on large bowel using an endoscope | 33 | $3,955 | $120 |
| Anesthesia for retinal surgery | 15 | $3,065 | $204 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 16 | $2,017 | $119 |
2022: 5 services
| Anesthesia for other procedure on large bowel using an endoscope | 46 | $6,496 | $141 |
| Anesthesia for lens surgery | 45 | $4,803 | $107 |
| Anesthesia for retinal surgery | 14 | $2,330 | $166 |
| Anesthesia for procedure on small and large bowel using an endoscope | 15 | $2,181 | $145 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | $1,758 | $135 |
2021: 4 services
| Anesthesia for lens surgery | 52 | $6,380 | $120 |
| Anesthesia for other procedure on large bowel using an endoscope | 33 | $4,604 | $140 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | $2,342 | $123 |
| Anesthesia for procedure on small and large bowel using an endoscope | 11 | $1,651 | $150 |
2020: 4 services
| Anesthesia for lens surgery | 46 | $5,717 | $124 |
| Anesthesia for other procedure on large bowel using an endoscope | 33 | $4,682 | $142 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 18 | $2,427 | $135 |
| Anesthesia for procedure on small and large bowel using an endoscope | 16 | $2,415 | $151 |
2019: 4 services
| Anesthesia for other procedure on large bowel using an endoscope | 35 | $4,994 | $143 |
| Anesthesia for lens surgery | 36 | $4,086 | $114 |
| Anesthesia for other procedure on upper abdomen | 13 | $4,050 | $312 |
| Anesthesia for procedure on eyelid | 14 | $2,345 | $167 |
2018: 4 services
| Anesthesia for lens surgery | 27 | $3,318 | $123 |
| Anesthesia for other procedure on large bowel using an endoscope | 21 | $2,810 | $134 |
| Anesthesia for retinal surgery | 13 | $2,671 | $205 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 12 | $1,513 | $126 |
2017: 3 services
| Anesthesia for procedure on lower intestine using an endoscope | 31 | $4,234 | $137 |
| Anesthesia for lens surgery | 29 | $3,640 | $126 |
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 11 | $1,635 | $149 |
2016: 3 services
| Anesthesia for other procedure on upper abdomen | 11 | $3,428 | $312 |
| Anesthesia for procedure on lower intestine using an endoscope | 23 | $3,153 | $137 |
| Anesthesia for lens surgery | 21 | $2,504 | $119 |
2015: 2 services
| Anesthesia for procedure on lower intestine using an endoscope | 27 | $3,757 | $139 |
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 13 | $1,686 | $130 |
2014: 3 services
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 23 | $3,350 | $146 |
| Anesthesia for procedure on lower intestine using an endoscope | 24 | $3,256 | $136 |
| Anesthesia for lens surgery | 17 | $2,268 | $133 |
2013: 3 services
| Anesthesia for procedure on gastrointestinal tract using an endoscope | 17 | $2,682 | $158 |
| Anesthesia for lens surgery | 19 | $2,268 | $119 |
| Insertion of artery tube for blood sampling or infusion through skin | 12 | $520 | $43 |
Money from drug and device companies
$124 in 2025
A payment is not proof that care is biased.
| Pacira Pharmaceuticals | Exparel | $124 | 1 payment
|
See the published payment
| Pacira Pharmaceuticals | Meals · 2025-10-21 | Exparel | $124 |
Professional record
- NPI
- 1073549473
- Licence
- CA A49077California A49077: Current · expires 2028-08-31
- Trained
- Baylor College of Medicine, 1987
- Group
- G2 Anesthesia PC
- Gender
- Male
More record details
- Sole proprietor
- No
- Medicaid ID
- CA 00A490760
- Taxonomy
- Federal specialty code 207L00000X (207L00000X)
- Mailing address
- Po Box 51451, Los Angeles, CA, 90051
- NPI first listed
- 2006-06-25
- NPI last updated
- 2026-07-13
This is when the NPI record was last certified, not a medical board exam.