Ira Vergara Amayun, NP
Nurse Practitioner · Fremont
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 4
- 2 carriers
- Offices
- 2
- Since medical school
- 5 years
- Graduated 2021
Offices
2 locations · Washington Township Medical Foundation · County of San Mateo
Looking this up.
Hospitals listed: San Mateo Medical Center · Washington Hospital. That is not proof they admit you there this week.
Plans that list them
4 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Ira Vergara Amayun’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
4 of 4 plans
| Anthem Medicare Advantage (HMO-POS) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Imperial Courage Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Dynamic Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Senior Value (HMO C-SNP) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
Hospitals they work in
2 hospitals
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- San Mateo Medical CenterSan Mateo, CAAcute Care Hospital · Government - Local · Has an emergency departmentPart of San Mateo County HealthPatients rate it 3 of 5 · 68% would definitely recommend itNo overall ratingNo measure marked better or worse than the national rate
- Washington HospitalFremont, CAAcute Care Hospital · Government - Hospital District or Authority · Has an emergency department · Birthing-friendlyPart of Washington Hospital Healthcare SystemPatients rate it 3 of 5 · 71% would definitely recommend itOverall rating: 2 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.188, Oct 2024 – Sep 2025Better 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): 0.164, Oct 2024 – Sep 2025
See every measure and the patient survey for San Mateo Medical Center
Behind the star rating — Deaths: 0 better, 2 the same, 0 worse of 2 measures. Safety: 0 better, 2 the same, 0 worse of 2 measures. Readmissions: 0 better, 3 the same, 0 worse of 3 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.34 (0.25 to 2.43) · 45 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.97 (0.48 to 1.47) | No different | Jul 2022 – Jun 2024 |
| Death rate for pneumonia patientsComplications and deaths | 13.9 · 25 cases | None | Jul 2022 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.6 · 258 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.21 (0 to 0.44) · 379 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.26 (0.05 to 0.48) · 381 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.44 (0.82 to 6.05) · 57 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.64 (0.92 to 4.37) · 57 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.53 (0 to 1.76) · 296 cases | No different | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0.661 | No different | Oct 2024 – Sep 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21.8 · 47 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -2.3 · 25 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.6 · 76 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 14 (10.4 to 18.9) · 167 cases | No different | Jan 2022 – Dec 2024 |
What patients said (208 patients answered, 15% of those asked)
| Cleanliness | 4 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 3 |
| Room was "always" clean | 78% |
| Nurses "always" communicated well | 76% |
| Doctors "always" communicated well | 79% |
| Staff "always" explained | 62% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 88% |
| Doctors "always" explained things so they could understand | 74% |
| Doctors "always" listened carefully | 77% |
| Doctors "always" treated them with courtesy and respect | 84% |
| Patients who gave a rating of "9" or "10" (high) | 70% |
| Staff "always" explained new medications | 72% |
| Nurses "always" explained things so they could understand | 72% |
| Nurses "always" listened carefully | 73% |
| Nurses "always" treated them with courtesy and respect | 82% |
| "Always" quiet at night | 47% |
| "YES", patients would definitely recommend the hospital | 68% |
| Staff "always" explained possible side effects | 51% |
| Yes, staff "did" give patients information about possible symptoms | 86% |
See every measure and the patient survey for Washington Hospital
Behind the star rating — Deaths: 0 better, 8 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 1 better, 6 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.
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.188 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.164 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 0.88 (0 to 1.88) · 1,112 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.92 (0.59 to 1.24) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 192.95 (139.54 to 246.36) · 48 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2 · 27 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.4 · 164 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12.1 · 199 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.9 · 463 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 15.6 · 661 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.3 · 174 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.7 · 2,550 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.15 (0 to 0.35) · 6,970 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.21 (0.02 to 0.4) · 7,108 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.82 (1.73 to 5.91) · 1,370 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.52 (0 to 3.17) · 589 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 1.75 (0.25 to 3.25) · 1,315 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 13.19 (5.83 to 20.56) · 600 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.91 (1.04 to 8.78) · 550 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.66 (0.17 to 3.14) · 198 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.14 (0 to 0.78) · 6,079 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.7 · 114 cases | None | Apr 2023 – Mar 2025 |
| MRSA BacteremiaInfections | 0 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.367 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.8 · 186 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21.9 · 480 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 33.9 · 186 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 26.5 · 553 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 36.8 · 648 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 18.5 · 590 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 4.7 (3.2 to 6.9) · 169 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 11.4 (8.5 to 14.9) · 169 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.4 · 130 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 11.1 · 41 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.3 · 202 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.7 (10.2 to 18.5) · 78 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.9 (0.7 to 1.1) · 974 cases | No different | Jan 2024 – Dec 2024 |
What patients said (812 patients answered, 19% of those asked)
| Cleanliness | 4 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 2 |
| Discharge information | 3 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 4 |
| Room was "always" clean | 76% |
| Nurses "always" communicated well | 77% |
| Doctors "always" communicated well | 77% |
| Staff "always" explained | 56% |
| Yes, staff "did" give patients this information | 84% |
| Yes, staff "did" give patients information about help after discharge | 84% |
| Doctors "always" explained things so they could understand | 70% |
| Doctors "always" listened carefully | 76% |
| Doctors "always" treated them with courtesy and respect | 84% |
| Patients who gave a rating of "9" or "10" (high) | 71% |
| Staff "always" explained new medications | 70% |
| Nurses "always" explained things so they could understand | 72% |
| Nurses "always" listened carefully | 74% |
| Nurses "always" treated them with courtesy and respect | 86% |
| "Always" quiet at night | 46% |
| "YES", patients would definitely recommend the hospital | 71% |
| Staff "always" explained possible side effects | 42% |
| Yes, staff "did" give patients information about possible symptoms | 84% |
Original Medicare doctor bills
$26,310
Medicare paid this office $26,310 for 215 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 104 | $10,426 | $78 |
| Short return visit (20+ min) | 116 | $8,845 | $61 |
| Long return visit (40+ min) | 17 | $2,180 | $128 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 15 | $154 | $10 |
| Urinalysis, manual test | 13 | $44 | $3 |
Procedures Medicare counted
| Removal of skin lesions | 1-10 | None |
Who their Medicare patients are
215 Original Medicare patients in 2024. Average age 76 · Under 65 6% · 85 and older 21% · Women 69% · Also on Medicaid 34% · Health risk score 1.27. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.
Conditions among them: High blood pressure 75% · Diabetes 40% · Chronic kidney disease 33% · Coronary heart disease 27% · Depression 16% · Cancer 15% · Atrial fibrillation 15% · Heart failure 13% · COPD 12% · Dementia 9% · Stroke 8%.
The office billed $102,980, Medicare allowed $39,509 and paid $26,310; for 393 services of 25 kinds; $2,107 of it was for drugs given in the office and $24,203 for care.
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 | 215 | 393 | 76 | 1.27 | $102,980 | $26,310 |
| 2023 | 254 | 329 | 74 | 0.93 | $71,377 | $17,686 |
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
| Short return visit (20+ min) | 215 | $13,252 | $58 |
| Return visit (30+ min) | 14 | $1,632 | $102 |
| New patient visit (30+ min) | 13 | $838 | $64 |
| Automated urinalysis test | 23 | $53 | $2 |
Medicaid work
$5,943 in 2024
Medicaid paid $5,943 for 246 billed services this clinician did in 2024, up to 49 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.
| Short return visit (20+ min) | 124 | $3,621 |
| Return visit (30+ min) | 110 | $2,117 |
| Screening for depression is documented as negative, a follow-up plan is not required | 12 | $206 |
| 2024 | 246 | 3 | 49 | $5,943 |
| 2022 | 327 | 5 | 41 | $26,938 |
See the largest Medicaid services in earlier years
2022
| Clinic visit/encounter, all-inclusive | 125 | $26,223 |
| Periodic comprehensive preventive medicine reevaluation and management of an individual including an age and gender appropriate history, examination, counseling/anticipatory guidance/risk factor reduction interventions, and the ordering of laboratory/diagnostic procedures, established patient; 18-39 years | 31 | $617 |
| Urinalysis, by dip stick or tablet reagent for bilirubin, glucose, hemoglobin, ketones, leukocytes, nitrite, pH, protein, specific gravity, urobilinogen, any number of these constituents; non-automated, without microscopy | 87 | $50 |
| Short return visit (20+ min) | 72 | $48 |
| Periodic comprehensive preventive medicine reevaluation and management of an individual including an age and gender appropriate history, examination, counseling/anticipatory guidance/risk factor reduction interventions, and the ordering of laboratory/diagnostic procedures, established patient; 40-64 years | 12 | $0 |
Drugs they prescribed that Part D paid
$114,785
Pharmacies billed $114,785 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
1,012 generic and fewer than 11 brand-name prescriptions · $114,785 in drug cost · 126 antibiotic prescriptions to 111 people.
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.
| Januvia | 16 | $20,033 | $1,252 |
| Albuterol Sulfate Hfa | 36 | $1,123 | $31 |
| Atorvastatin | 72 | $820 | $11 |
| Amlodipine Besylate | 68 | $737 | $11 |
| Metoprolol | 25 | $479 | $19 |
See all 27 drugs
| Januvia | 16 | $20,033 | $1,252 |
| Albuterol Sulfate Hfa | 36 | $1,123 | $31 |
| Atorvastatin | 72 | $820 | $11 |
| Amlodipine Besylate | 68 | $737 | $11 |
| Metoprolol | 25 | $479 | $19 |
| Losartan | 36 | $418 | $12 |
| Pantoprazole | 18 | $396 | $22 |
| Levothyroxine | 16 | $389 | $24 |
| Lidocaine | 11 | $356 | $32 |
| Clotrimazole-Betamethasone | 20 | $353 | $18 |
| Hydralazine | 21 | $314 | $15 |
| Mirtazapine | 17 | $285 | $17 |
| Metformin | 25 | $273 | $11 |
| Gabapentin | 24 | $249 | $10 |
| Pravastatin | 14 | $222 | $16 |
| Azithromycin | 51 | $193 | $4 |
| Amoxicillin-Clavulanate Potass | 31 | $177 | $6 |
| Triamcinolone Acetonide | 23 | $149 | $6 |
| Lisinopril | 14 | $144 | $10 |
| Alendronate | 14 | $128 | $9 |
| Fluticasone Propionate | 20 | $99 | $5 |
| Baclofen | 11 | $96 | $9 |
| Irbesartan | 11 | $83 | $8 |
| Cephalexin | 21 | $74 | $4 |
| Prednisone | 35 | $64 | $2 |
| Metoprolol | 12 | $44 | $4 |
| Hydrochlorothiazide | 13 | $36 | $3 |
Year by year
| 2024 | 1,148 | 346 | None | None | $114,785 |
| 2023 | 262 | 187 | None | 5% | $5,612 |
| 2022 | 153 | 47 | 0% (0) | None | $10,934 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 4 drugs
| Cephalexin | 39 | $261 | $7 |
| Paxlovid (Eua) | 17 | $180 | $11 |
| Amoxicillin-Clavulanate Potass | 24 | $177 | $7 |
| Azithromycin | 32 | $159 | $5 |
2022: 1 drug
| Lisinopril | 14 | $98 | $7 |
Professional record
- NPI
- 1639845993
- Licence
- CA 95018990
- Group
- Washington Township Medical Foundation · County of San Mateo
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Nurse practitioner (363L00000X)
- Mailing address
- 2080 Sarasota Ave, San Jose, CA, 95122
- NPI first listed
- 2021-08-18
- NPI last updated
- 2023-10-16
- NPI record certified
- 2023-10-16
This is when the NPI record was last certified, not a medical board exam.