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Natalia J Torok, MD

Gastroenterology · Stanford

NPI 1750336939

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
13
2 carriers
Offices
6

Offices

6 locations · Stanford Health Care · 3,152 clinicians in this group

Looking this up.

Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.

Plans that list them

13 plans · 2 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Torok’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

13 of 13 plans

Plans whose provider directory lists this clinician
Alignment Health BreathEasy (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Clarity (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Harmony (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes CalPlus (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes Care (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Heart & Diabetes Choice (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Honor+ Plan (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health My Choice CalCare (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Silicon (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health smartHMO (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health the ONE (HMO)Alignment Health PlanListedOct 3, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A84961 · Current

Licensed to practise in California · since 2003 · expires 2027-09-30 · University of Semmelweis Faculty 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.

  • Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend it
    Overall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care

Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 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.

Every scored measure at Stanford Health Care
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.31 (4.24 to 6.37) · 8,661 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits14.1 (12.7 to 15.7) · 2,191 casesWorseJan 2024 – Dec 2024
Postoperative respiratory failure rateComplications and deaths4.08 (1.95 to 6.21) · 5,296 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.317BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.446BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.241BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.7 (0.6 to 0.9) · 3,348 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.06 (0.45 to 1.67) · 5,374 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.86 (0.72 to 1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths166.09 (137.88 to 194.3) · 470 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.1 · 192 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6.4 · 146 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.7 · 253 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.3 · 880 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 935 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 501 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.1 · 7,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.13 (0 to 0.27) · 20,799 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.14 to 0.43) · 23,182 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.94 (0.2 to 1.68) · 5,694 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.36 (1.54 to 3.19) · 7,846 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.2 (3.76 to 6.64) · 5,603 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.38 (0.23 to 2.53) · 2,211 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.52 (0.21 to 0.83) · 19,915 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.6 · 416 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.869No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.857No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.368No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16.2 · 247 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.5 · 1,021 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits47.8 · 258 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-1.6 · 990 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits20.8 · 976 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.5 · 959 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (4.4 to 6.2) · 2,191 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.1 · 425 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits9.6 · 158 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.6 · 183 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.7 (10.4 to 15.4) · 4,578 casesNo differentJan 2022 – Dec 2024

What patients said (6,810 patients answered, 25% of those asked)

Patient survey stars by topic at Stanford Health Care
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at Stanford Health Care
Room was "always" clean75%
Nurses "always" communicated well82%
Doctors "always" communicated well81%
Staff "always" explained63%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
Doctors "always" explained things so they could understand76%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)79%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night53%
"YES", patients would definitely recommend the hospital83%
Staff "always" explained possible side effects50%
Yes, staff "did" give patients information about possible symptoms90%

Original Medicare doctor bills

$6,518

Medicare paid this office $6,518 for 37 people. Most of that is long return visits and Botox.

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

Largest Original Medicare bills
Long return visit (40+ min)12$3,044$145
Return visit (30+ min)13$1,183$79

Who their Medicare patients are

37 Original Medicare patients in 2024. Average age 71 · Women 51% · Also on Medicaid 35% · Health risk score 3.24. Sicker patients than 9 in 10 peers; the typical gastroenterology clinician is at 1.42.

Conditions among them: High blood pressure 75% · Chronic kidney disease 59% · Diabetes 54%.

The office billed $32,911, Medicare allowed $8,845 and paid $6,518; for 67 services of 9 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
20243767713.24$32,911$6,518
20232951672.63$25,903$4,114
20223453682.07$27,514$3,781
20212344682.40$28,690$3,724
20201734642.98$15,205$2,558
20191620623.67$3,469$1,952
20183254643.32$13,629$4,407
20173357673.31$18,735$4,936
2016133380671.82$126,399$27,729
2015138445662.14$110,344$25,809
2014133434661.59$121,546$30,759
2013117387661.57$101,027$24,743

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: 1 service

Original Medicare services billed in 2023
Return visit (30+ min)13$1,621$81

2022: 1 service

Original Medicare services billed in 2022
Return visit (30+ min)15$1,842$80

2021: 1 service

Original Medicare services billed in 2021
Return visit (30+ min)13$2,198$85

2020: 2 services

Original Medicare services billed in 2020
Long return visit (40+ min)11$1,138$88
Return visit (30+ min)11$888$68

2019: 1 service

Original Medicare services billed in 2019
Long return visit (40+ min)15$1,922$101

2017: 2 services

Original Medicare services billed in 2017
Subsequent hospital care with moderate levelof medical decision making at least 35 minutes11$1,114$59
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes12$980$82

2016: 9 services

Original Medicare services billed in 2016
Biopsy of large bowel using a flexible endoscope19$5,567$293
Colorectal cancer screening; colonoscopy on individual at high risk13$5,139$395
Return visit (30+ min)36$2,960$62
Long return visit (40+ min)21$2,341$84
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes11$2,191$84
Short return visit (20+ min)31$1,440$39
Injection, fentanyl citrate, 0.1 mg25$11None
Injection, midazolam hydrochloride, per 1 mg25$10None
Injection, diphenhydramine hcl, up to 50 mg19$7None

2015: 9 services

Original Medicare services billed in 2015
Biopsy of large bowel using a flexible endoscope18$6,874$362
Colorectal cancer screening; colonoscopy on individual at high risk11$4,348$395
Return visit (30+ min)36$2,724$61
Long return visit (40+ min)12$1,149$88
New patient visit (30+ min)16$903$56
Short return visit (20+ min)15$495$33
Injection, fentanyl citrate, 0.1 mg30$17None
Injection, midazolam hydrochloride, per 1 mg34$15None
Injection, diphenhydramine hcl, up to 50 mg24$9None

2014: 8 services

Original Medicare services billed in 2014
Biopsy of large bowel using a flexible endoscope23$8,030$349
Subsequent hospital care with moderate levelof medical decision making at least 50 minutes15$3,270$84
Return visit (30+ min)30$2,842$58
Short return visit (20+ min)22$1,130$39
New patient visit (30+ min)11$648$59
Injection, fentanyl citrate, 0.1 mg30$17None
Injection, midazolam hydrochloride, per 1 mg32$13None
Injection, diphenhydramine hcl, up to 50 mg25$11None

2013: 7 services

Original Medicare services billed in 2013
Biopsy of large bowel using a flexible endoscope20$7,129$356
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope19$4,576$229
Return visit (30+ min)30$2,153$55
Short return visit (20+ min)26$1,047$31
Injection, midazolam hydrochloride, per 1 mg34$16None
Injection, fentanyl citrate, 0.1 mg29$16None
Injection, diphenhydramine hcl, up to 50 mg21$13None

Drugs they prescribed that Part D paid

$53,863

Pharmacies billed $53,863 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 244) in 2024. At or below the middle of the specialty; the typical gastroenterology clinician is at 0%.

201 generic and 43 brand-name prescriptions · $53,863 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
Vemlidy13$17,840$1,372
Envarsus Xr13$7,006$539
Eliquis12$6,894$574
Tacrolimus47$4,557$97
Ursodiol13$1,944$150
See all 11 drugs
Every Part D drug this clinician prescribed
Vemlidy13$17,840$1,372
Envarsus Xr13$7,006$539
Eliquis12$6,894$574
Tacrolimus47$4,557$97
Ursodiol13$1,944$150
Mycophenolate Mofetil24$1,615$67
Tenofovir Disoproxil21$929$44
Pantoprazole12$243$20
Potassium Chloride13$156$12
Amlodipine Besylate19$31$2
Hydrochlorothiazide13$5$0

Year by year

Part D prescribing by year
2024244230% (0)18%$53,863
202325414None14%$50,466
2022133170% (0)None$38,728
202188150% (0)30%$50,907
202045None0% (0)40%$44,278
201930None0% (0)37%$5,428
201766140% (0)18%$103,690
2016315480% (0)43%$1,729,116
2015341410% (0)30%$1,687,517
2014212330% (0)36%$711,340
2013209340% (0)None$80,728

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

See the drugs prescribed each year

2023: 12 drugs

Part D drugs prescribed in 2023
Vemlidy12$17,813$1,484
Envarsus Xr14$8,859$633
Tenofovir Disoproxil18$5,598$311
Ursodiol12$4,650$387
Tacrolimus25$2,978$119
Mycophenolate Mofetil22$870$40
Potassium Chloride13$214$16
Amlodipine Besylate31$211$7
Metoprolol11$99$9
Famotidine12$66$5
Trazodone12$66$5
Hydrochlorothiazide13$23$2

2022: 5 drugs

Part D drugs prescribed in 2022
Tenofovir Disoproxil18$10,394$577
Envarsus Xr13$6,711$516
Tacrolimus15$1,153$77
Potassium Chloride12$68$6
Hydrochlorothiazide12$22$2

2021: 3 drugs

Part D drugs prescribed in 2021
Xifaxan12$35,350$2,946
Tacrolimus12$2,802$234
Tenofovir Disoproxil15$888$59

2020: 1 drug

Part D drugs prescribed in 2020
Xifaxan13$34,896$2,684

2017: 1 drug

Part D drugs prescribed in 2017
Prednisone34$321$9

2016: 14 drugs

Part D drugs prescribed in 2016
Harvoni20$624,510$31,226
Sovaldi18$467,674$25,982
Daklinza12$240,461$20,038
Xifaxan25$46,090$1,844
Viread13$13,117$1,009
Ursodiol11$9,025$820
Ribavirin14$1,824$130
Constulose24$565$24
Lansoprazole12$333$28
Propranolol14$213$15
Lactulose15$171$11
Furosemide23$141$6
Prednisone17$128$8
Spironolactone11$123$11

2015: 12 drugs

Part D drugs prescribed in 2015
Sovaldi31$851,828$27,478
Harvoni15$485,597$32,373
Daklinza12$252,891$21,074
Xifaxan15$25,129$1,675
Viread19$17,955$945
Ribavirin29$6,292$217
Tacrolimus25$5,814$233
Mycophenolate Mofetil18$2,099$117
Lansoprazole20$770$39
Spironolactone24$572$24
Propranolol28$300$11
Prednisone14$248$18

2014: 11 drugs

Part D drugs prescribed in 2014
Sovaldi15$414,312$27,621
Olysio11$242,429$22,039
Xifaxan14$22,349$1,596
Viread17$15,031$884
Tacrolimus16$2,758$172
Mycophenolate Mofetil13$1,706$131
Lansoprazole11$466$42
Spironolactone25$369$15
Prednisone11$171$16
Lactulose13$134$10
Propranolol21$113$5

2013: 6 drugs

Part D drugs prescribed in 2013
Viread22$20,353$925
Tacrolimus33$4,280$130
Mycophenolate Mofetil19$2,173$114
Spironolactone16$417$26
Lactulose12$194$16
Propranolol18$103$6

Money from drug and device companies

$18,359 in 2024

Industry payments by year
2024218$13,079$18,359
201922$750$769

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
GlaxoSmithKlineNone$18,262
17 payments
  • Travel · 2024-06-12 · $55
  • Consulting · 2024-06-12 · $13,079
  • Meals · 2024-05-23 · $35
  • Travel · 2024-05-23 · $140
  • Travel · 2024-05-23 · $1,778
  • Travel · 2024-05-22 · $1,958
  • Meals · 2024-05-22 · $83
  • Meals · 2024-05-22 · $107
  • Travel · 2024-05-22 · $382
  • Meals · 2024-05-22 · $18
  • Travel · 2024-05-22 · $184
  • Meals · 2024-05-22 · $18
  • Meals · 2024-05-22 · $23
  • Meals · 2024-05-22 · $90
  • Meals · 2024-05-22 · $22
  • Travel · 2024-05-21 · $184
  • Meals · 2024-05-21 · $103
Madrigal PharmaceuticalsResmetirom$98
1 payment
  • Meals for Resmetirom · 2024-10-11 · $98
See all 18 published payments
Every published payment
Madrigal PharmaceuticalsMeals · 2024-10-11Resmetirom$98
GlaxoSmithKlineTravel · 2024-06-12None$55
GlaxoSmithKlineConsulting · 2024-06-12None$13,079
GlaxoSmithKlineMeals · 2024-05-23None$35
GlaxoSmithKlineTravel · 2024-05-23None$140
GlaxoSmithKlineTravel · 2024-05-23None$1,778
GlaxoSmithKlineTravel · 2024-05-22None$1,958
GlaxoSmithKlineMeals · 2024-05-22None$83
GlaxoSmithKlineMeals · 2024-05-22None$107
GlaxoSmithKlineTravel · 2024-05-22None$382
GlaxoSmithKlineMeals · 2024-05-22None$18
GlaxoSmithKlineTravel · 2024-05-22None$184
GlaxoSmithKlineMeals · 2024-05-22None$18
GlaxoSmithKlineMeals · 2024-05-22None$23
GlaxoSmithKlineMeals · 2024-05-22None$90
GlaxoSmithKlineMeals · 2024-05-22None$22
GlaxoSmithKlineTravel · 2024-05-21None$184
GlaxoSmithKlineMeals · 2024-05-21None$103
See earlier years (2019)

2019: $769

Payments by company in 2019
Eli Lilly andNone$750
1 payment
  • Consulting · 2019-09-05 · $750
Intercept PharmaceuticalsNone$19
1 payment
  • Meals · 2019-03-07 · $19

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1750336939
Licence
CA A84961California A84961: Current · expires 2027-09-30
Video visits
Lists video visits
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207RI0008X (207RI0008X); Federal specialty code 207RG0100X (207RG0100X); Federal specialty code 207RT0003X (207RT0003X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2006-05-24
NPI last updated
2026-09-03
NPI record certified
2026-09-03

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

Extra NPI addresses: 4150 V St, Sacramento, CA, 95817