Joyce Nyaucha Njoroge, MD
Cardiovascular Disease (Cardiology) · Stanford
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 18
- 4 carriers
- Office
- 1
Offices
1 location · Stanford Health Care · 3,152 clinicians in this group
Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.
Plans that list them
18 plans · 4 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Njoroge’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
18 of 18 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 Harmony (HMO) | 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 |
| Alignment Health Silicon (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health smartHMO (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health the ONE (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Anthem Full Dual Advantage Aligned (HMO D-SNP) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| SCAN Balance (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN Classic (HMO) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN MyChoice (HMO) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN Strive (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A162896 · Current
Licensed to practise in California · since 2019 · expires 2027-06-30 · Case Western Reserve University School 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.
- Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend itOverall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care
Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 the same, 4 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 5.31 (4.24 to 6.37) · 8,661 cases | Worse | Jul 2022 – Jun 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 14.1 (12.7 to 15.7) · 2,191 cases | Worse | Jan 2024 – Dec 2024 |
| Postoperative respiratory failure rateComplications and deaths | 4.08 (1.95 to 6.21) · 5,296 cases | Better | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.317 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.446 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.241 | Better | Oct 2024 – Sep 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.7 (0.6 to 0.9) · 3,348 cases | Better | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.06 (0.45 to 1.67) · 5,374 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.86 (0.72 to 1) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 166.09 (137.88 to 194.3) · 470 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.1 · 192 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6.4 · 146 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 9.7 · 253 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 6.3 · 880 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 10.3 · 935 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.7 · 501 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.1 · 7,730 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.13 (0 to 0.27) · 20,799 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.28 (0.14 to 0.43) · 23,182 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 0.94 (0.2 to 1.68) · 5,694 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.36 (1.54 to 3.19) · 7,846 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.2 (3.76 to 6.64) · 5,603 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.38 (0.23 to 2.53) · 2,211 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.52 (0.21 to 0.83) · 19,915 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 416 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.869 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.857 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.368 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 16.2 · 247 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20.5 · 1,021 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 47.8 · 258 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -1.6 · 990 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 20.8 · 976 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.5 · 959 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.2 (4.4 to 6.2) · 2,191 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 425 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 9.6 · 158 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.6 · 183 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.7 (10.4 to 15.4) · 4,578 cases | No different | Jan 2022 – Dec 2024 |
What patients said (6,810 patients answered, 25% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 75% |
| Nurses "always" communicated well | 82% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 63% |
| Yes, staff "did" give patients this information | 89% |
| Yes, staff "did" give patients information about help after discharge | 89% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 80% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 79% |
| Staff "always" explained new medications | 76% |
| Nurses "always" explained things so they could understand | 77% |
| Nurses "always" listened carefully | 79% |
| Nurses "always" treated them with courtesy and respect | 88% |
| "Always" quiet at night | 53% |
| "YES", patients would definitely recommend the hospital | 83% |
| Staff "always" explained possible side effects | 50% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$108,205
Medicare paid this office $108,205 for 430 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 50 minutes | 86 | $37,394 | $106 |
| Critical care, first 30-74 minutes | 46 | $28,248 | $186 |
| Long return visit (40+ min) | 68 | $15,485 | $161 |
| Long return visit (40+ min) | 65 | $9,188 | $121 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 27 | $4,076 | $151 |
See all 9 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 86 | $37,394 | $106 |
| Critical care, first 30-74 minutes | 46 | $28,248 | $186 |
| Long return visit (40+ min) | 68 | $15,485 | $161 |
| Long return visit (40+ min) | 65 | $9,188 | $121 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 27 | $4,076 | $151 |
| Hospital discharge day management, 30 minutes or less | 49 | $3,632 | $74 |
| Evaluation of lower heart chamber assist device | 12 | $2,373 | $34 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 162 | $1,292 | $7 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 18 | $410 | $23 |
Procedures Medicare counted
| Pacemaker insertion or repair | 1-10 | None |
Who their Medicare patients are
430 Original Medicare patients in 2024. Average age 73 · Under 65 16% · 85 and older 14% · Women 44% · Also on Medicaid 34% · Health risk score 2.69. Sicker patients than 9 in 10 peers; the typical cardiology clinician is at 1.71.
Conditions among them: High blood pressure 75% · Heart failure 72% · Chronic kidney disease 57% · Coronary heart disease 55% · Atrial fibrillation 55% · Diabetes 50% · Depression 30% · COPD 25% · Cancer 19% · Dementia 19% · Stroke 17%.
The office billed $629,267, Medicare allowed $138,550 and paid $108,205; for 1,111 services of 23 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 | 430 | 1,111 | 73 | 2.69 | $629,267 | $108,205 |
| 2023 | 76 | 331 | 67 | 3.54 | $124,147 | $32,050 |
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 | 33 | $19,830 | $107 |
| Long return visit (40+ min) | 29 | $4,028 | $130 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 12 | $1,875 | $156 |
Medicaid work
$10,635 in 2024
Medicaid paid $10,635 for 263 billed services this clinician did in 2024, up to 58 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.
| Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutes | 26 | $4,252 |
| SBSQ HOSPITAL IP/OBS CARE HIGH MDM 50 MINUTES | 90 | $2,663 |
| Long return visit (40+ min) | 48 | $2,516 |
| Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only | 99 | $1,204 |
| 2024 | 263 | 4 | 58 | $10,635 |
| 2023 | 57 | 1 | 15 | $2,045 |
See the largest Medicaid services in earlier years
2023
| SBSQ HOSPITAL IP/OBS CARE HIGH MDM 50 MINUTES | 57 | $2,045 |
Drugs they prescribed that Part D paid
$188,352
Pharmacies billed $188,352 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
814 generic and fewer than 11 brand-name prescriptions · $188,352 in drug cost · 13 antibiotic prescriptions.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Entresto | 46 | $52,033 | $1,131 |
| Jardiance | 32 | $43,873 | $1,371 |
| Eliquis | 14 | $17,998 | $1,286 |
| Repatha Sureclick | 23 | $12,877 | $560 |
| Envarsus Xr | 12 | $11,148 | $929 |
See all 22 drugs
| Entresto | 46 | $52,033 | $1,131 |
| Jardiance | 32 | $43,873 | $1,371 |
| Eliquis | 14 | $17,998 | $1,286 |
| Repatha Sureclick | 23 | $12,877 | $560 |
| Envarsus Xr | 12 | $11,148 | $929 |
| Sirolimus | 31 | $8,069 | $260 |
| Tacrolimus | 40 | $1,493 | $37 |
| Cyclosporine Modified | 16 | $1,145 | $72 |
| Metoprolol | 84 | $814 | $10 |
| Losartan | 87 | $787 | $9 |
| Rosuvastatin | 40 | $692 | $17 |
| Pantoprazole | 37 | $566 | $15 |
| Carvedilol | 81 | $510 | $6 |
| Bumetanide | 16 | $469 | $29 |
| Spironolactone | 72 | $424 | $6 |
| Digoxin | 17 | $404 | $24 |
| Amlodipine Besylate | 25 | $296 | $12 |
| Atorvastatin | 29 | $272 | $9 |
| Famotidine | 13 | $192 | $15 |
| Clopidogrel | 20 | $133 | $7 |
| Furosemide | 30 | $105 | $4 |
| Lisinopril | 18 | $77 | $4 |
Year by year
| 2024 | 980 | 160 | None | None | $188,352 |
| 2023 | 134 | 57 | 0% (0) | None | $21,393 |
| 2022 | 21 | None | 0% (0) | 0% | $1,126 |
| 2018 | 79 | 22 | None | 30% | $9,184 |
| 2017 | 68 | 22 | None | None | $3,133 |
| 2016 | 43 | 11 | None | None | $3,443 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 2 drugs
| Pantoprazole | 13 | $220 | $17 |
| Losartan | 12 | $74 | $6 |
2018: 1 drug
| Eliquis | 14 | $5,427 | $388 |
Money from drug and device companies
$298 in 2024
| 2024 | 2 | 4 | None | $298 |
| 2020 | 2 | 4 | None | $274 |
| 2019 | 1 | 2 | None | $42 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Paragonix Technologies | None | $160 | 3 payments
|
| Abiomed | Impella | $138 | 1 payment
|
See all 4 published payments
| Abiomed | Meals · 2024-11-08 | Impella | $138 |
| Paragonix Technologies | Meals · 2024-04-11 | None | $143 |
| Paragonix Technologies | Meals · 2024-04-11 | None | $2 |
| Paragonix Technologies | Meals · 2024-04-11 | None | $15 |
See earlier years (2020, 2019)
2020: $274
| Medical Device Business Services | Carto 3 System | $138 | 2 payments
|
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | Lifevest | $136 | 2 payments
|
2019: $42
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | Lifevest | $42 | 2 payments
|
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 76.5 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1790147965
- Licence
- CA A162896California A162896: Current · expires 2027-06-30
- Group
- Stanford Health Care
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207RA0001X (207RA0001X); Internal medicine (207R00000X); Cardiology (207RC0000X)
- Mailing address
- 300 Pasteur Dr, Stanford, CA, 94305
- NPI first listed
- 2016-03-25
- NPI last updated
- 2025-03-26
- NPI record certified
- 2025-03-26
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 201 E Huron St, Chicago, IL, 60611