Nam K Cho, MD
Radiation Oncology · San Jose
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 22
- 4 carriers
- Office
- 1
- Since medical school
- 22 years
- Stanford University School of Medicine, 2004
Offices
1 location · County of Santa Clara · 1,000 clinicians in this group
Looking this up.
Hospitals listed: Santa Clara Valley Medical Center. That is not proof they admit you there this week.
Plans that list them
22 plans · 4 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Cho’s office at (408) 885-5000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
22 of 22 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 |
| Central Health Classic Care Plan III (HMO) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Dual Access Plan (HMO D-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Embrace Care Plan (HMO C-SNP) | Central Health Medicare Plan | Listed, may be out of date | Sep 15, 2025 |
| Central Health Embrace Choice Plan (HMO C-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Valor Care Plan (HMO) | Central Health Medicare Plan | Listed | Aug 15, 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 A93093 · Current
Licensed to practise in California · since 2005 · expires 2027-07-31 · Stanford 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.
- Santa Clara Valley Medical CenterSan Jose, CAAcute Care Hospital · Government - Local · Has an emergency department · Birthing-friendlyPart of Santa Clara Valley Health and Hospital System, which runs 3 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend itOverall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.572, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.563, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.256, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.369, Oct 2024 – Sep 2025
See every measure and the patient survey for Santa Clara Valley Medical Center
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 1 worse of 8 measures. Readmissions: 0 better, 10 the same, 1 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| SSI - Colon SurgeryInfections | 2.572 | Worse | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.563 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.256 | Better | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.369 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.25 (0.3 to 2.2) · 1,535 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.07 (0.76 to 1.38) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 214.59 (167.38 to 261.8) · 108 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.8 · 41 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6 · 141 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10.2 · 124 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 8.3 · 501 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 14.9 · 653 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 10.1 · 348 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3 · 4,502 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.24 (0.04 to 0.43) · 9,014 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.34 (0.15 to 0.52) · 9,216 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 4.54 (2.51 to 6.58) · 1,421 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.54 (0 to 3.2) · 288 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.11 (0.66 to 3.56) · 1,446 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 11.61 (4.09 to 19.14) · 294 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 7.29 (3.39 to 11.2) · 299 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.9 (0.45 to 3.36) · 333 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.23 (0 to 0.78) · 7,538 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 5.4 · 94 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.735 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 2.573 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 14.6 · 185 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.1 · 951 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 56.3 · 128 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 6.4 · 644 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 1.3 · 699 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.3 · 921 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.7 (3.9 to 8.1) · 226 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 12.6 (9.4 to 16.5) · 226 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.4 · 94 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 11.4 · 54 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 20.3 · 242 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 13.2 (9.9 to 17.4) · 702 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.7 to 1.4) · 195 cases | No different | Jan 2024 – Dec 2024 |
What patients said (4,032 patients answered, 29% of those asked)
| Cleanliness | 3 |
| Nurse communication | 3 |
| Doctor communication | 3 |
| Communication about medicines | 3 |
| Discharge information | 2 |
| Overall hospital rating | 3 |
| Quietness | 2 |
| Recommend hospital | 4 |
| Room was "always" clean | 70% |
| Nurses "always" communicated well | 73% |
| Doctors "always" communicated well | 76% |
| Staff "always" explained | 57% |
| Yes, staff "did" give patients this information | 82% |
| Yes, staff "did" give patients information about help after discharge | 82% |
| Doctors "always" explained things so they could understand | 71% |
| Doctors "always" listened carefully | 74% |
| Doctors "always" treated them with courtesy and respect | 82% |
| Patients who gave a rating of "9" or "10" (high) | 67% |
| Staff "always" explained new medications | 71% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 69% |
| Nurses "always" treated them with courtesy and respect | 80% |
| "Always" quiet at night | 43% |
| "YES", patients would definitely recommend the hospital | 70% |
| Staff "always" explained possible side effects | 44% |
| Yes, staff "did" give patients information about possible symptoms | 83% |
Original Medicare doctor bills
$18,277
Medicare paid this office $18,277 for 30 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 13 | $1,529 | $85 |
| Short return visit (20+ min) | 13 | $744 | $53 |
| Short return visit | 12 | $277 | $23 |
Who their Medicare patients are
30 Original Medicare patients in 2024. Average age 68 · Women 47% · Health risk score 1.68. At or below the middle of the specialty; the typical radiation oncology clinician is at 1.69.
Conditions among them: High blood pressure 73% · Cancer 67% · Diabetes 43%.
The office billed $217,388, Medicare allowed $23,403 and paid $18,277; for 274 services of 22 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 | 30 | 274 | 68 | 1.68 | $217,388 | $18,277 |
| 2023 | 47 | 510 | 69 | 1.69 | $378,502 | $33,038 |
| 2022 | 130 | 286 | 66 | 2.14 | $143,833 | $16,848 |
| 2021 | 25 | 125 | 65 | 1.48 | $80,197 | $7,594 |
| 2020 | 44 | 91 | 65 | 1.85 | $44,178 | $4,300 |
| 2019 | 77 | 392 | 67 | 1.64 | $261,782 | $22,556 |
| 2018 | 81 | 413 | 68 | 2.13 | $289,236 | $25,437 |
| 2017 | 59 | 333 | 68 | 2.06 | $301,607 | $21,454 |
| 2016 | 154 | 538 | 67 | 1.80 | $378,818 | $32,870 |
| 2015 | 163 | 620 | 68 | 1.84 | $293,112 | $31,962 |
| 2014 | 176 | 1,609 | 67 | 1.51 | $933,262 | $91,548 |
| 2013 | 115 | 671 | 68 | 1.62 | $377,799 | $40,213 |
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: 6 services
| Radiation treatment management, 5 treatment sessions | 14 | $8,524 | $178 |
| Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 18 | $2,305 | $19 |
| Design and construction of complex radiation treatment device | 12 | $1,964 | $58 |
| Calculation of radiation therapy dose | 19 | $1,904 | $30 |
| Complex radiation therapy planning | 11 | $1,749 | $159 |
| Short return visit (20+ min) | 14 | $946 | $53 |
2022: 4 services
| Telephone medical discussion with physician, 11-20 minutes | 87 | $5,346 | $59 |
| Telephone medical discussion with physician, 5-10 minutes | 33 | $1,156 | $31 |
| Short return visit (20+ min) | 14 | $803 | $50 |
| Short return visit | 17 | $535 | $31 |
2020: 2 services
| Telephone medical discussion with physician, 11-20 minutes | 15 | $574 | $36 |
| Telephone medical discussion with physician, 5-10 minutes | 12 | $215 | $18 |
2019: 6 services
| Radiation treatment management, 5 treatment sessions | 12 | $6,262 | $174 |
| Ct guidance for insertion of radiation therapy fields | 11 | $2,898 | $41 |
| Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 17 | $2,172 | $19 |
| Return visit (30+ min) | 27 | $1,821 | $57 |
| Short return visit (20+ min) | 34 | $1,331 | $38 |
| Calculation of radiation therapy dose | 13 | $948 | $27 |
2018: 1 service
| Return visit (30+ min) | 68 | $5,389 | $60 |
2017: 7 services
| Radiation treatment management, 5 treatment sessions | 11 | $3,713 | $169 |
| Design and construction of complex radiation treatment device | 12 | $2,988 | $54 |
| Return visit (30+ min) | 38 | $2,774 | $59 |
| Calculation of radiation therapy dose | 12 | $2,098 | $30 |
| Complex radiation therapy planning | 12 | $1,614 | $135 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 13 | $920 | $71 |
| Design and construction of intermediate radiation treatment device | 14 | $779 | $35 |
2016: 5 services
| Return visit (30+ min) | 86 | $6,711 | $60 |
| Design and construction of complex radiation treatment device | 11 | $4,359 | $58 |
| Short return visit (20+ min) | 72 | $3,027 | $40 |
| Complex radiation therapy planning | 11 | $1,745 | $125 |
| Design and construction of intermediate radiation treatment device | 12 | $787 | $39 |
2015: 8 services
| Long return visit (40+ min) | 71 | $7,949 | $83 |
| Return visit (30+ min) | 83 | $5,475 | $62 |
| Design and construction of complex radiation treatment device | 12 | $3,161 | $55 |
| Calculation of radiation therapy dose | 14 | $2,054 | $28 |
| Complex radiation therapy planning | 17 | $1,919 | $107 |
| Short return visit | 35 | $1,731 | $22 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 15 | $1,116 | $70 |
| Design and construction of intermediate radiation treatment device | 13 | $528 | $38 |
2014: 12 services
| Radiation treatment management, 5 treatment sessions | 35 | $21,631 | $163 |
| Long return visit (40+ min) | 99 | $13,480 | $91 |
| Design and construction of complex radiation treatment device | 35 | $12,578 | $57 |
| X-ray guidance for radiation therapy delivery | 25 | $8,121 | $18 |
| High precision radiation therapy planning | 21 | $8,009 | $364 |
| Calculation of radiation therapy dose | 36 | $7,540 | $29 |
| Complex radiation therapy planning | 34 | $5,461 | $140 |
| Short return visit | 63 | $3,415 | $21 |
| 3d radiation therapy planning | 14 | $3,057 | $191 |
| Return visit (30+ min) | 44 | $2,748 | $57 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 30 | $2,380 | $72 |
| Design and construction of intermediate radiation treatment device | 33 | $1,297 | $38 |
2013: 10 services
| Radiation treatment management, 5 treatment sessions | 27 | $14,908 | $157 |
| Long return visit (40+ min) | 69 | $7,039 | $82 |
| Design and construction of complex radiation treatment device | 14 | $3,331 | $55 |
| Complex radiation therapy planning | 19 | $2,292 | $115 |
| Return visit (30+ min) | 29 | $1,889 | $61 |
| Calculation of radiation therapy dose | 13 | $1,887 | $27 |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 14 | $1,035 | $69 |
| Design and construction of intermediate radiation treatment device | 14 | $558 | $37 |
| Short return visit | 13 | $472 | $21 |
| Office for the evaluation and management of established patient that may not require presence of healthcare professional | 19 | $172 | $8 |
Medicaid work
$89 in 2023
Medicaid paid $89 for 14 billed services this clinician did in 2023, up to 14 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 | 14 | $89 |
| 2023 | 14 | 1 | 14 | $89 |
| 2022 | 285 | 1 | 47 | $1,105 |
| 2021 | 13 | 1 | 13 | $166 |
| 2018 | 83 | 1 | 20 | $313 |
See the largest Medicaid services in earlier years
2022
| Short return visit | 285 | $1,105 |
2021
| Short return visit (20+ min) | 13 | $166 |
2018
| Return visit (30+ min) | 83 | $313 |
Drugs they prescribed that Part D paid
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 20% of their 59 Part D prescriptions in 2016.
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
Year by year
| 2023 | 17 | None | None | 0% | $345 |
| 2022 | 15 | None | None | 0% | $252 |
| 2021 | 13 | None | None | None | $91 |
| 2020 | 31 | None | None | None | $514 |
| 2019 | 80 | 26 | None | None | $2,714 |
| 2018 | 95 | 29 | None | None | $1,825 |
| 2017 | 33 | 19 | None | None | $1,580 |
| 2016 | 59 | 20 | 20% (12) | None | $1,775 |
| 2015 | 160 | 40 | 30% (48) | 12% | $5,794 |
| 2014 | 190 | 56 | 20% (37) | 7% | $5,355 |
| 2013 | 138 | 37 | 16% (22) | None | $4,096 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2020: 1 drug
| Levothyroxine | 15 | $308 | $21 |
2019: 1 drug
| Levothyroxine | 31 | $584 | $19 |
2018: 2 drugs
| Levothyroxine | 51 | $781 | $15 |
| Tamsulosin | 15 | $410 | $27 |
2016: 1 drug
| Levothyroxine | 18 | $283 | $16 |
2015: 5 drugs
| Oxycodone | 12 | $637 | $53 |
| Levothyroxine | 16 | $353 | $22 |
| Dexamethasone | 12 | $321 | $27 |
| Hydrocodone-Acetaminophen | 14 | $255 | $18 |
| Gabapentin | 13 | $186 | $14 |
2014: 3 drugs
| Levothyroxine | 34 | $528 | $16 |
| Tamsulosin | 20 | $386 | $19 |
| Hydrocodone-Acetaminophen | 12 | $311 | $26 |
2013: 3 drugs
| Levothyroxine | 39 | $272 | $7 |
| Tamsulosin | 12 | $253 | $21 |
| Omeprazole | 14 | $144 | $10 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 80.6 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1669668323
- Licence
- CA A93093California A93093: Current · expires 2027-07-31
- Trained
- Stanford University School of Medicine, 2004 · 22 years ago
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 2085R0001X (2085R0001X)
- Mailing address
- 875 Blake Wilbur Dr, Stanford, CA, 94305
- NPI first listed
- 2007-09-17
- NPI last updated
- 2007-09-17
This is when the NPI record was last certified, not a medical board exam.