Joy C Chen, MD
Colorectal Surgery (Proctology) · San Jose
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 19
- 4 carriers
- Office
- 1
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
19 plans · 4 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chen’s office at (408) 885-5000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
19 of 19 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 |
| Anthem Medicare Advantage (HMO-POS) | 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 |
State licence records
1 licence
- Washington MD.MD.61063157Physician And Surgeon License · since 2020 · expires 2026-12-19ActiveNo 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.
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
$16,414
Medicare paid this office $16,414 for 59 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 14 | $1,155 | $83 |
Procedures Medicare counted
| Colonoscopy | 20 | More than 48% of doctors who do this |
Who their Medicare patients are
59 Original Medicare patients in 2024. Average age 72 · Women 42% · Also on Medicaid 19% · Health risk score 1.63. Above the middle of the specialty; the typical colorectal surgery (proctology) clinician is at 1.44.
Conditions among them: High blood pressure 66% · Cancer 44% · Coronary heart disease 31% · Depression 27% · Atrial fibrillation 24% · Diabetes 22%.
The office billed $63,859, Medicare allowed $21,074 and paid $16,414; for 105 services of 29 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 | 59 | 105 | 72 | 1.63 | $63,859 | $16,414 |
| 2023 | 108 | 217 | 73 | 1.33 | $159,765 | $40,683 |
| 2022 | 77 | 149 | 71 | 1.99 | $82,438 | $23,568 |
| 2021 | 84 | 165 | 73 | 1.65 | $113,110 | $32,355 |
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: 8 services
| New patient visit (60+ min) | 15 | $2,309 | $154 |
| Biopsy of large bowel using a flexible endoscope | 11 | $1,788 | $163 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 13 | $1,490 | $65 |
| Return visit (30+ min) | 13 | $1,432 | $84 |
| Short return visit (20+ min) | 16 | $1,357 | $65 |
| New patient visit (30+ min) | 15 | $1,197 | $80 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 11 | $1,154 | $105 |
| Diagnostic exam of anus using an endoscope | 11 | $1,132 | $103 |
2022: 2 services
| New patient visit (60+ min) | 21 | $3,792 | $181 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 11 | $1,341 | $61 |
2021: 3 services
| New patient visit (60+ min) | 21 | $3,668 | $175 |
| Long return visit (40+ min) | 12 | $1,687 | $130 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 14 | $1,534 | $61 |
Drugs they prescribed that Part D paid
$855
Pharmacies billed $855 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 55) in 2024. At or below the middle of the specialty; the typical colorectal surgery (proctology) clinician is at 16%.
42 generic and 13 brand-name prescriptions · $855 in drug cost · 15 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.
| Trazodone | 13 | $145 | $11 |
Year by year
| 2024 | 55 | 30 | 0% (0) | 24% | $855 |
| 2023 | 129 | 84 | None | 16% | $4,828 |
| 2022 | 66 | 43 | None | 30% | $2,330 |
| 2021 | 54 | 39 | None | 41% | $1,918 |
| 2020 | 15 | None | None | None | $503 |
| 2019 | 68 | 46 | 59% (40) | None | $1,146 |
| 2018 | 60 | 51 | 82% (49) | None | $1,312 |
| 2017 | 60 | 52 | 82% (49) | None | $1,204 |
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
| Gavilyte-G | 33 | $626 | $19 |
| Peg 3350-Electrolyte | 12 | $336 | $28 |
| Neomycin Sulfate | 12 | $87 | $7 |
| Metronidazole | 21 | $68 | $3 |
2022: 2 drugs
| Suprep | 13 | $1,444 | $111 |
| Metronidazole | 11 | $34 | $3 |
2021: 1 drug
| Suprep | 14 | $1,548 | $111 |
2019: 1 drug
| Oxycodone | 31 | $239 | $8 |
2018: 2 drugs
| Oxycodone | 30 | $205 | $7 |
| Hydrocodone-Acetaminophen | 13 | $101 | $8 |
2017: 2 drugs
| Hydrocodone-Acetaminophen | 25 | $297 | $12 |
| Oxycodone | 22 | $279 | $13 |
Money from drug and device companies
$1,281 in 2021
A payment is not proof that care is biased.
| Intuitive Surgical | Da Vinci Surgical System | $1,281 | 4 payments
|
See all 4 published payments
| Intuitive Surgical | Education · 2021-08-25 | Da Vinci Surgical System | $1,000 |
| Intuitive Surgical | Meals · 2021-08-25 | Da Vinci Surgical System | $14 |
| Intuitive Surgical | Travel · 2021-08-16 | Da Vinci Surgical System | $248 |
| Intuitive Surgical | Travel · 2021-08-16 | Da Vinci Surgical System | $19 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 93.1 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1518223122
- Licence
- WA MD61063157Washington MD.MD.61063157: Active
- Gender
- Female
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 208C00000X (208C00000X); Surgery (208600000X); Student in a training program (390200000X)
- Mailing address
- Po Box 50095, Seattle, WA, 98145
- NPI first listed
- 2012-04-09
- NPI last updated
- 2020-11-03
- NPI record certified
- 2020-11-03
This is when the NPI record was last certified, not a medical board exam.