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Jennifer Chu, MD

Endocrinology · Burlingame

NPI 1760829493

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
2

Offices

2 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group

Looking this up.

Hospitals listed: Mills-Peninsula 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. Chu’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A166458 · Current

Licensed to practise in California · since 2019 · expires 2027-10-31 · Tufts 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.

  • Peninsula Medical CenterBurlingame, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 4 of 5 · 78% would definitely recommend it
    Overall rating: 5 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.139, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.242, Oct 2024 – Sep 2025
See every measure and the patient survey for Peninsula Medical Center

Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 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 Peninsula Medical Center
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.139BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.242BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.21 (0.27 to 2.15) · 1,258 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.81 (0.51 to 1.1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths155.44 (112.67 to 198.21) · 90 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.5 · 32 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.1 · 82 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10 · 188 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths9 · 473 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths14.8 · 342 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths9.4 · 485 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.9 · 3,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.2 (0 to 0.4) · 6,904 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.21 (0.02 to 0.4) · 7,052 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.41 (1.43 to 5.39) · 1,695 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.72 (0.17 to 3.28) · 665 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.66 to 3.56) · 1,545 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.1 (1.3 to 12.9) · 670 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.96 (2.63 to 9.29) · 653 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.61 (0.15 to 3.08) · 418 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.14 (0 to 0.78) · 5,539 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.7 · 192 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.215No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.263No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.74No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.3 · 300 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits19 · 702 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits1.2 · 207 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-13.6 · 531 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits24.3 · 343 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits18.1 · 449 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits4.5 (2.8 to 7) · 85 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits9.6 (6.7 to 13.7) · 85 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.7 · 189 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits11 · 45 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.6 · 117 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13 (9.7 to 17.2) · 584 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.7 to 1.2) · 764 casesNo differentJan 2024 – Dec 2024

What patients said (523 patients answered, 27% of those asked)

Patient survey stars by topic at Peninsula Medical Center
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness3
Recommend hospital5
Share of patients giving the best answer at Peninsula Medical Center
Room was "always" clean76%
Nurses "always" communicated well81%
Doctors "always" communicated well80%
Staff "always" explained58%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge87%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully79%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)75%
Staff "always" explained new medications72%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night54%
"YES", patients would definitely recommend the hospital78%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$82,156

Medicare paid this office $82,156 for 330 people.

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

Largest Original Medicare bills
Return visit (30+ min)195$35,874$103
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes64$12,011$67
New patient visit (45+ min)77$10,727$139
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes14$7,137$105
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's193$4,258$14
See all 11 services
Every Original Medicare service billed
Return visit (30+ min)195$35,874$103
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes64$12,011$67
New patient visit (45+ min)77$10,727$139
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes14$7,137$105
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's193$4,258$14
Long return visit (40+ min)17$3,141$157
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report43$2,652$29
New patient visit (60+ min)11$1,893$172
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes24$1,800$72
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes14$518$37
Hemoglobin a1c level14$133$10

Who their Medicare patients are

330 Original Medicare patients in 2024. Average age 75 · Under 65 5% · 85 and older 13% · Women 61% · Also on Medicaid 11% · Health risk score 1.42. At or below the middle of the specialty; the typical endocrinology clinician is at 1.46.

Conditions among them: High blood pressure 75% · Diabetes 57% · Chronic kidney disease 40% · Coronary heart disease 29% · Heart failure 22% · Atrial fibrillation 22% · Cancer 16% · Depression 16% · COPD 13% · Stroke 7% · Dementia 6%.

The office billed $317,598, Medicare allowed $114,099 and paid $82,156; for 1,164 services of 17 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
20243301,164751.42$317,598$82,156
2023282877751.48$264,589$72,911
2022282861751.63$259,950$74,388
2021225760741.85$228,558$70,001
2020207722742.14$171,636$55,789
20191728753.28$7,702$2,312

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: 7 services

Original Medicare services billed in 2023
Return visit (30+ min)172$35,320$109
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes60$14,293$68
New patient visit (45+ min)59$8,332$141
Long return visit (40+ min)24$3,408$131
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes36$2,584$68
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report31$2,083$29
Hemoglobin a1c level66$1,028$10

2022: 9 services

Original Medicare services billed in 2022
Return visit (30+ min)158$32,826$111
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes61$9,565$61
New patient visit (45+ min)51$6,868$135
Long return visit (40+ min)38$6,638$144
New patient visit (60+ min)32$5,634$176
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes33$3,345$88
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report30$2,026$31
Telephone medical discussion with physician, 21-30 minutes11$1,295$108
Hemoglobin a1c level68$1,035$10

2021: 12 services

Original Medicare services billed in 2021
Return visit (30+ min)109$26,438$113
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes64$12,696$64
New patient visit (45+ min)50$7,023$140
Long return visit (40+ min)31$5,469$152
New patient visit (60+ min)23$4,378$190
Telephone medical discussion with physician, 21-30 minutes16$2,863$106
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes20$2,012$87
Initial hospital care with straightforward or low-level medical decision making at least 55 minutes16$1,940$121
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report24$1,623$31
Telephone medical discussion with physician, 11-20 minutes14$1,104$65
Telephone medical discussion with physician, 5-10 minutes13$534$38
Hemoglobin a1c level32$350$10

2020: 10 services

Original Medicare services billed in 2020
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes60$14,173$65
Return visit (30+ min)69$13,152$100
New patient visit (45+ min)48$7,118$148
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes42$4,010$91
Telephone medical discussion with physician, 11-20 minutes39$3,441$67
Telephone medical discussion with physician, 21-30 minutes21$2,782$99
Long return visit (40+ min)13$2,200$137
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report25$1,829$33
Telephone medical discussion with physician, 5-10 minutes12$1,259$23
Telephone medical discussion with physician, 5-10 minutes19$1,018$44

Medicaid work

$2,684 in 2023

Medicaid paid $2,684 for 99 billed services this clinician did in 2023, up to 19 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 2023
SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES99$2,684
Medicaid work by year
202399119$2,684
202125112$819
See the largest Medicaid services in earlier years

2021

Largest Medicaid services in 2021
SBSQ HOSPITAL IP/OBS CARE MOD MDM 35 MINUTES25$819

Drugs they prescribed that Part D paid

$964,459

Pharmacies billed $964,459 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 2,060) in 2024. At or below the middle of the specialty; the typical endocrinology clinician is at 0%.

941 generic and 948 brand-name prescriptions · $964,459 in drug cost.

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.

Largest Part D drug costs
Ozempic178$266,488$1,497
Trulicity99$188,323$1,902
Jardiance99$122,947$1,242
Rybelsus58$65,634$1,132
Mounjaro39$58,898$1,510
See all 38 drugs
Every Part D drug this clinician prescribed
Ozempic178$266,488$1,497
Trulicity99$188,323$1,902
Jardiance99$122,947$1,242
Rybelsus58$65,634$1,132
Mounjaro39$58,898$1,510
Januvia39$33,579$861
Fiasp Flextouch19$24,125$1,270
Farxiga16$19,051$1,191
Humalog Kwikpen U-10028$13,148$470
Basaglar Kwikpen U-10026$13,055$502
Teriparatide13$13,000$1,000
Tresiba Flextouch U-10020$12,848$642
Lantus Solostar93$12,698$137
Nano 2nd Gen Pen Needle63$8,217$130
Insulin Lispro Kwikpen U-10012$5,915$493
Novolog Flexpen15$5,427$362
Ultra-Fine Mini Pen Needle50$4,505$90
Insulin Glargine-Yfgn17$2,692$158
Metformin Hcl Er123$2,444$20
Repaglinide45$1,953$43
Ultra-Fine Short Pen Needle21$1,949$93
Synthroid16$1,745$109
Alendronate166$1,682$10
Risedronate11$1,565$142
Levothyroxine121$1,452$12
Atorvastatin80$1,129$14
Metformin99$968$10
Ezetimibe23$708$31
Ibandronate17$670$39
Glipizide Er46$668$15
Ultra-Fine Nano Pen Needle13$643$49
Rosuvastatin19$417$22
Methimazole31$394$13
Gabapentin16$302$19
Glipizide26$260$10
Hydrocortisone12$257$21
Pioglitazone16$123$8
Prednisone16$91$6

Year by year

Part D prescribing by year
20242,0603320% (0)46%$964,459
20231,9443040% (0)48%$1,110,988
20221,8522650% (0)56%$937,732
20211,4882610% (0)55%$814,141
20208161870% (0)56%$417,817
201991200% (0)56%$27,393
201849190% (0)None$4,362
2017240270% (0)16%$5,084
201619243None17%$7,060
201514757NoneNone$8,958
20148936None12%$3,559
201315NoneNoneNone$320

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 36 drugs

Part D drugs prescribed in 2023
Trulicity182$326,377$1,793
Ozempic85$146,712$1,726
Jardiance91$108,786$1,195
Lantus Solostar136$99,810$734
Januvia60$48,733$812
Humalog Kwikpen U-10019$39,690$2,089
Mounjaro23$36,835$1,602
Farxiga17$23,333$1,373
Novolog Flexpen15$18,842$1,256
Basaglar Kwikpen U-10025$13,559$542
Tresiba Flextouch U-10013$9,045$696
Omnipod Dash Pods (Gen 4)13$7,729$595
Nano 2nd Gen Pen Needle53$7,334$138
Insulin Lispro Kwikpen U-10016$6,574$411
Nateglinide31$4,945$160
Ultra-Fine Mini Pen Needle38$3,064$81
Insulin Glargine-Yfgn13$2,832$218
Levothyroxine118$2,552$22
Alendronate163$2,313$14
Metformin Hcl Er99$2,136$22
Ultra-Fine Short Pen Needle23$2,050$89
Ibandronate18$1,678$93
Synthroid16$1,664$104
Atorvastatin61$1,625$27
Ultra-Fine Nano Pen Needle11$1,269$115
Metformin86$1,168$14
Gabapentin26$906$35
Glipizide Er44$865$20
Rosuvastatin12$607$51
Hydrocortisone13$550$42
Methimazole21$400$19
Glipizide26$395$15
Liothyronine16$330$21
Pioglitazone13$327$25
Losartan23$297$13
Lisinopril12$111$9

2022: 33 drugs

Part D drugs prescribed in 2022
Trulicity272$349,615$1,285
Jardiance113$86,073$762
Lantus Solostar122$82,672$678
Ozempic67$69,739$1,041
Januvia68$51,958$764
Humalog Kwikpen U-10026$51,230$1,970
Novolog Flexpen16$19,820$1,239
Victoza 2-Pak18$16,845$936
Farxiga24$16,409$684
Tradjenta21$12,541$597
Fiasp Flextouch11$8,687$790
Basaglar Kwikpen U-10016$7,900$494
Insulin Lispro Kwikpen U-10015$7,311$487
Nano 2nd Gen Pen Needle51$5,051$99
Admelog Solostar15$5,048$337
Ultra-Fine Short Pen Needle31$2,536$82
Synthroid26$1,907$73
Levothyroxine106$1,799$17
Alendronate136$1,544$11
Ultra-Fine Mini Pen Needle23$1,404$61
Metformin Hcl Er86$1,301$15
Atorvastatin63$1,297$21
Ibandronate15$1,291$86
Metformin69$872$13
Gabapentin24$748$31
Cytomel11$722$66
Pioglitazone13$416$32
Glipizide21$409$19
Rosuvastatin11$379$34
Ezetimibe11$337$31
Glipizide Er22$320$15
Methimazole16$256$16
Lisinopril20$59$3

2021: 26 drugs

Part D drugs prescribed in 2021
Trulicity283$309,903$1,095
Jardiance88$88,755$1,009
Lantus Solostar92$54,721$595
Januvia50$48,801$976
Humalog Kwikpen U-10027$38,315$1,419
Novolog Flexpen24$26,815$1,117
Rybelsus18$15,941$886
Ozempic12$10,874$906
Tradjenta18$9,790$544
Basaglar Kwikpen U-10018$7,623$423
Nano 2nd Gen Pen Needle21$2,216$106
Ultra-Fine Short Pen Needle31$2,161$70
Synthroid29$1,828$63
Pioglitazone69$1,794$26
Ultra-Fine Mini Pen Needle30$1,693$56
Metformin Hcl Er60$1,422$24
Levothyroxine56$1,195$21
Alendronate63$832$13
Metformin46$751$16
Atorvastatin58$653$11
Acarbose13$482$37
Glipizide Er19$346$18
Gabapentin24$301$13
Glipizide17$220$13
Amlodipine Besylate16$191$12
Lisinopril27$162$6

2020: 21 drugs

Part D drugs prescribed in 2020
Trulicity85$94,183$1,108
Forteo15$64,067$4,271
Jardiance69$50,068$726
Januvia36$34,682$963
Lantus Solostar63$30,192$479
Humalog Kwikpen U-10029$25,188$869
Novolog Flexpen20$21,050$1,052
Ozempic11$12,726$1,157
Basaglar Kwikpen U-10012$5,730$477
Ultra-Fine Nano Pen Needle25$2,071$83
Pioglitazone53$1,341$25
Synthroid19$1,210$64
Levothyroxine41$1,149$28
Ultra-Fine Mini Pen Needle19$869$46
Hydrocortisone21$573$27
Metformin30$459$15
Alendronate18$364$20
Metformin Hcl Er23$350$15
Methimazole16$304$19
Glipizide19$183$10
Atorvastatin14$165$12

2019: 2 drugs

Part D drugs prescribed in 2019
Jardiance12$9,709$809
Ozempic12$9,189$766

2017: 4 drugs

Part D drugs prescribed in 2017
Metoprolol51$748$15
Clopidogrel53$473$9
Atorvastatin31$383$12
Lisinopril28$103$4

2016: 5 drugs

Part D drugs prescribed in 2016
Atorvastatin25$411$16
Metoprolol20$373$19
Clopidogrel28$305$11
Lisinopril20$70$4
Citalopram Hbr14$57$4

2014: 1 drug

Part D drugs prescribed in 2014
Atorvastatin15$175$12

Money from drug and device companies

$21 in 2025

Industry payments by year
202511None$21
201923None$916

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
DexcomDexcom G6 Transmitter$21
1 payment
  • Meals for Dexcom G6 Transmitter · 2025-06-24 · $21
See the published payment
Every published payment
DexcomMeals · 2025-06-24Dexcom G6 Transmitter$21
See earlier years (2019)

2019: $916

Payments by company in 2019
PfizerSomavert$826
2 payments
  • Meals for Somavert · 2019-03-22 · $76
  • Grant · 2019-03-20 · $750
Novo NordiskNone$90
1 payment
  • Meals · 2019-03-20 · $90

Professional record

NPI
1760829493
Licence
CA A166458, MA 256270California A166458: Current · expires 2027-10-31
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207RE0101X (207RE0101X); Internal medicine (207R00000X)
Mailing address
325 Distel Cir, Los Altos, CA, 94022
NPI first listed
2013-06-04
NPI last updated
2020-06-04
NPI record certified
2020-06-04

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