Andrew B Napier, MD
Emergency Medicine · Walnut Creek
- 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 · Permanente Medical Group Inc · 10,928 clinicians in this group
Hospitals listed: Kaiser Foundation Hospital - Walnut Creek. 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. Napier’s office at (925) 295-4000 to ask if they take your plan before you enroll.
California Medical Board record
Licence A169489 · Current
Licensed to practise in California · since 2020 · expires 2028-07-31 · University of South Florida College of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
State licence records
1 licence
- Florida ME140895Medical Doctor · since 2019 · expires 2021-01-31Null And VoidNo board action on this licenceCheck it with the state
We check Colorado, Delaware, Florida, Illinois, Maryland, New Jersey, New York, Tennessee, Texas, Virginia, Washington, plus California above. A state that is not in this list has not been checked, which is not the same as clear.
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.
Education
- University of South Florida2013–2017
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 Hospital - Walnut CreekWalnut Creek, 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: 3 of 5 starsBetter than the national rate — Clostridium Difficile (C.Diff): 0.2, Oct 2024 – Sep 2025
See every measure and the patient survey for Kaiser Foundation Hospital - Walnut Creek
Behind the star rating — Deaths: 0 better, 1 the same, 0 worse of 1 measures. Safety: 2 better, 4 the same, 0 worse of 6 measures. Readmissions: 0 better, 1 the same, 0 worse of 1 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 | 0.2 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.02 (0 to 2.1) · 126 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.14 (0.67 to 1.6) | No different | Jul 2022 – Jun 2024 |
| Death rate for stroke patientsComplications and deaths | 9 · 264 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 4.2 · 3,449 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0 to 0.43) · 606 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.27 (0.05 to 0.48) · 612 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.35 (0.76 to 5.94) · 103 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.28 (0.56 to 3.99) · 92 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 14.08 (4.29 to 23.88) · 30 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.75 (0.22 to 3.27) · 36 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.45 (0 to 1.59) · 528 cases | No different | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 1.032 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.797 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.298 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.86 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 13.6 · 296 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.9 · 764 cases | None | Jul 2023 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 20.3 · 723 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.6 · 161 cases | None | Jul 2023 – Jun 2025 |
What patients said (633 patients answered, 26% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 3 |
| Quietness | 1 |
| Recommend hospital | 4 |
| Room was "always" clean | 69% |
| Nurses "always" communicated well | 75% |
| Doctors "always" communicated well | 78% |
| Staff "always" explained | 56% |
| Yes, staff "did" give patients this information | 86% |
| Yes, staff "did" give patients information about help after discharge | 86% |
| Doctors "always" explained things so they could understand | 72% |
| Doctors "always" listened carefully | 77% |
| Doctors "always" treated them with courtesy and respect | 85% |
| 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 | 70% |
| Nurses "always" listened carefully | 70% |
| Nurses "always" treated them with courtesy and respect | 83% |
| "Always" quiet at night | 35% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 42% |
| Yes, staff "did" give patients information about possible symptoms | 86% |
Medicaid work
$73,898 in 2023
Medicaid paid $73,898 for 1,260 billed services this clinician did in 2023, up to 92 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.
| EMERGENCY DEPARTMENT VISIT HIGH MDM | 415 | $37,284 |
| EMERGENCY DEPT VISIT MOD MDM | 418 | $27,530 |
| Service | 108 | $4,067 |
| Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only | 252 | $3,004 |
| Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes | 15 | $1,540 |
| COMPREHENSIVE METABOLIC PANEL | 24 | $252 |
| Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count) and automated differential WBC count | 28 | $221 |
| 2023 | 1,260 | 7 | 92 | $73,898 |
| 2022 | 3,520 | 12 | 99 | $176,991 |
| 2021 | 3,434 | 16 | 97 | $109,925 |
| 2020 | 586 | 11 | 67 | $19,455 |
See the largest Medicaid services in earlier years
2022
| EMERGENCY DEPARTMENT VISIT HIGH MDM | 698 | $61,215 |
| EMERGENCY DEPT VISIT MOD MDM | 709 | $46,406 |
| EMERGENCY DEPT VISIT LOW MDM | 751 | $32,362 |
| Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes | 172 | $19,973 |
| Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only | 680 | $8,390 |
| Service | 174 | $6,532 |
| COMPREHENSIVE METABOLIC PANEL | 141 | $1,003 |
| Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count) and automated differential WBC count | 140 | $747 |
| Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report | 15 | $218 |
| Radiologic examination, chest; single view | 12 | $61 |
| Troponin, quantitative | 15 | $45 |
| Urinalysis, by dip stick or tablet reagent for bilirubin, glucose, hemoglobin, ketones, leukocytes, nitrite, pH, protein, specific gravity, urobilinogen, any number of these constituents; automated, with microscopy | 13 | $39 |
2021
| EMERGENCY DEPARTMENT VISIT HIGH MDM | 856 | $46,383 |
| EMERGENCY DEPT VISIT MOD MDM | 758 | $28,542 |
| EMERGENCY DEPT VISIT LOW MDM | 739 | $16,626 |
| Service | 150 | $4,861 |
| Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes | 94 | $4,711 |
| Service | 109 | $3,977 |
| Service | 65 | $1,248 |
| Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report | 89 | $1,183 |
| COMPREHENSIVE METABOLIC PANEL | 151 | $880 |
| Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count) | 184 | $602 |
| Radiologic examination, chest; single view | 60 | $364 |
| ASSAY OF LIPASE | 57 | $213 |
2020
| EMERGENCY DEPARTMENT VISIT HIGH MDM | 161 | $8,559 |
| EMERGENCY DEPT VISIT MOD MDM | 125 | $4,592 |
| EMERGENCY DEPT VISIT LOW MDM | 132 | $3,234 |
| Service | 51 | $2,016 |
| Service | 14 | $555 |
| Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report | 14 | $149 |
| Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count) | 36 | $109 |
| Radiologic examination, chest; single view | 12 | $84 |
| COMPREHENSIVE METABOLIC PANEL | 16 | $71 |
| ASSAY OF LIPASE | 12 | $47 |
| Troponin, quantitative | 13 | $39 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 94.6 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1285175430
- Licence
- CA A169489, FL ME140895California A169489: Current · expires 2028-07-31Florida ME140895: Null And Void
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207P00000X (207P00000X)
- Mailing address
- 225 N Jackson Ave, San Jose, CA, 95116
- NPI first listed
- 2017-03-20
- NPI last updated
- 2021-12-14
- NPI record certified
- 2021-12-14
This is when the NPI record was last certified, not a medical board exam.