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Christine Wing Wah Ng, OD

Optometry · San Jose

NPI 1316201569

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 · 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.

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. Ng’s office at (408) 885-5000 to ask if they take your plan before you enroll.

California Medical Board record

Licence C14737 · Deceased

Licence status: Deceased · since 1953 · Georgetown University School of Medicine.

Licensee is deceased.

Matched on the licence number without its letter prefix; check the name before relying on it.

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 it
    Overall 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.

Every scored measure at Santa Clara Valley Medical Center
SSI - Colon SurgeryInfections2.572WorseOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.563BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.256BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.369BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.25 (0.3 to 2.2) · 1,535 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.07 (0.76 to 1.38)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths214.59 (167.38 to 261.8) · 108 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.8 · 41 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6 · 141 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10.2 · 124 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths8.3 · 501 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths14.9 · 653 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.1 · 348 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3 · 4,502 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.24 (0.04 to 0.43) · 9,014 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.34 (0.15 to 0.52) · 9,216 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.54 (2.51 to 6.58) · 1,421 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.54 (0 to 3.2) · 288 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.66 to 3.56) · 1,446 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths11.61 (4.09 to 19.14) · 294 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths7.29 (3.39 to 11.2) · 299 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.9 (0.45 to 3.36) · 333 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.23 (0 to 0.78) · 7,538 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths5.4 · 94 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.735No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections2.573No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.6 · 185 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22.1 · 951 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits56.3 · 128 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits6.4 · 644 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits1.3 · 699 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.3 · 921 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.7 (3.9 to 8.1) · 226 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits12.6 (9.4 to 16.5) · 226 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.4 · 94 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits11.4 · 54 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.3 · 242 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.2 (9.9 to 17.4) · 702 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.7 to 1.4) · 195 casesNo differentJan 2024 – Dec 2024

What patients said (4,032 patients answered, 29% of those asked)

Patient survey stars by topic at Santa Clara Valley Medical Center
Cleanliness3
Nurse communication3
Doctor communication3
Communication about medicines3
Discharge information2
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Santa Clara Valley Medical Center
Room was "always" clean70%
Nurses "always" communicated well73%
Doctors "always" communicated well76%
Staff "always" explained57%
Yes, staff "did" give patients this information82%
Yes, staff "did" give patients information about help after discharge82%
Doctors "always" explained things so they could understand71%
Doctors "always" listened carefully74%
Doctors "always" treated them with courtesy and respect82%
Patients who gave a rating of "9" or "10" (high)67%
Staff "always" explained new medications71%
Nurses "always" explained things so they could understand71%
Nurses "always" listened carefully69%
Nurses "always" treated them with courtesy and respect80%
"Always" quiet at night43%
"YES", patients would definitely recommend the hospital70%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms83%

Original Medicare doctor bills

$9,176

Medicare paid this office $9,176 for 294 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Established patient complete exam of visual system54$3,292$61
Photography of the retina199$3,063$15
New patient complete exam of visual system12$862$72
Short return visit (20+ min)15$452$30

Who their Medicare patients are

294 Original Medicare patients in 2024. Average age 73 · Under 65 8% · 85 and older 13% · Women 55% · Also on Medicaid 85% · Health risk score 1.58. Sicker patients than 9 in 10 peers; the typical optometry clinician is at 0.97.

Conditions among them: High blood pressure 75% · Diabetes 75% · Chronic kidney disease 25% · Coronary heart disease 20% · Heart failure 18% · Depression 16% · Atrial fibrillation 13% · Cancer 11% · COPD 10% · Stroke 6% · Dementia 5%.

The office billed $138,665, Medicare allowed $15,037 and paid $9,176; for 319 services of 13 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

Original Medicare by year
2024294319731.58$138,665$9,176
2023155158711.21$93,168$8,030

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

Original Medicare services billed in 2023
Return visit (30+ min)75$4,836$64
New patient visit (45+ min)13$1,550$119
Photography of the retina53$769$15

Medicaid work

$1,356 in 2024

Medicaid paid $1,356 for 309 billed services this clinician did in 2024, up to 70 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.

Largest Medicaid services in 2024
FUNDUS PHOTOGRAPHY W/INTERPRETATION & REPORT270$1,207
Return visit (30+ min)25$129
Short return visit (20+ min)14$19
Medicaid work by year
2024309370$1,356
2023797284$1,157
20211,426580$65,189
20201,659889$75,456
20193,6837132$157,017
20183,2538125$159,987
See the largest Medicaid services in earlier years

2023

Largest Medicaid services in 2023
FUNDUS PHOTOGRAPHY W/INTERPRETATION & REPORT542$947
Return visit (30+ min)255$210

2021

Largest Medicaid services in 2021
Clinic visit/encounter, all-inclusive824$62,721
OPH SVCS MEDICAL XM&EVAL COMPRE EST PT 1/>VST118$1,184
OPH SVCS MEDICAL XM&EVAL COMPRE NEW PT 1/> VST97$636
Short return visit (20+ min)174$475
DETERMINATION REFRACTIVE STATE213$173

2020

Largest Medicaid services in 2020
Clinic visit/encounter, all-inclusive817$72,082
OPH SVCS MEDICAL XM&EVAL COMPRE EST PT 1/>VST114$1,818
OPH SVCS MEDICAL XM&EVAL COMPRE NEW PT 1/> VST84$403
Short return visit (20+ min)164$324
Frames, purchases117$321
Fitting of monofocal spectacles101$305
DETERMINATION REFRACTIVE STATE228$171
Short return visit34$31

2019

Largest Medicaid services in 2019
Clinic visit/encounter, all-inclusive1,071$136,541
OPH SVCS MEDICAL XM&EVAL COMPRE NEW PT 1/> VST426$7,706
OPH SVCS MEDICAL XM&EVAL COMPRE EST PT 1/>VST413$6,429
Short return visit (20+ min)361$4,559
DETERMINATION REFRACTIVE STATE833$663
Fitting of monofocal spectacles285$582
Frames, purchases294$537

2018

Largest Medicaid services in 2018
Clinic visit/encounter, all-inclusive1,149$133,216
OPH SVCS MEDICAL XM&EVAL COMPRE EST PT 1/>VST366$14,017
OPH SVCS MEDICAL XM&EVAL COMPRE NEW PT 1/> VST325$5,161
Short return visit (20+ min)203$4,716
Short return visit121$2,109
DETERMINATION REFRACTIVE STATE661$411
Fitting of monofocal spectacles221$189
Frames, purchases207$168

Money from drug and device companies

$271 in 2025

Industry payments by year
202522None$271
202422None$259
202112None$44
201945None$417

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Tarsus PharmaceuticalsNone$146
1 payment
  • Meals · 2025-11-06 · $146
Johnson & Johnson Vision CareAcuvue$125
1 payment
  • Meals for Acuvue · 2025-06-30 · $125
See all 2 published payments
Every published payment
Tarsus PharmaceuticalsMeals · 2025-11-06None$146
Johnson & Johnson Vision CareMeals · 2025-06-30Acuvue$125
See earlier years (2024, 2021, 2019)

2024: $259

Payments by company in 2024
Johnson & Johnson Vision CareAcuvue$130
1 payment
  • Meals for Acuvue · 2024-03-05 · $130
CooperVisionMyday Contact Lens$129
1 payment
  • Meals for Myday Contact Lens · 2024-05-09 · $129

2021: $44

Payments by company in 2021
CooperVisionClariti Contact Lens$44
2 payments
  • Meals for Clariti Contact Lens · 2021-05-12 · $25
  • Meals for Multiple Brands Contact Lens · 2021-02-04 · $19

2019: $417

Payments by company in 2019
Bausch & Lomb a division of Bausch Health USUltra$125
2 payments
  • Meals for Ultra · 2019-04-08 · $118
  • Meals for Ultra · 2019-02-17 · $7
Johnson & Johnson Vision CareAcuvue$125
1 payment
  • Meals for Acuvue · 2019-03-28 · $125
Visioneering TechnologiesNone$88
1 payment
  • Meals · 2019-08-21 · $88
CooperVisionMultiple Brands Contact Lens$79
1 payment
  • Meals for Multiple Brands Contact Lens · 2019-05-23 · $79

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
1316201569
Licence
CA 14737, NY TUV007862California C14737: Deceased
Trained
State University of New York - State College Optometry, 2012
Gender
Female
More record details
Sole proprietor
Yes
Taxonomy
Federal specialty code 152W00000X (152W00000X)
Mailing address
P.O. Box 22210, Oakland, CA, 94623
NPI first listed
2012-07-02
NPI last updated
2013-10-11

This is when the NPI record was last certified, not a medical board exam.