Skip to main content
UniHealth

Doctor search

John S Wachtel, MD

Obstetrics/Gynecology · Stanford

NPI 1457315194

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
9
1 carrier
Office
1

Offices

1 location · 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

9 plans · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Wachtel’s office at (650) 723-4000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

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

California Medical Board record

Licence G35219 · Current

Licensed to practise in California · since 1977 · expires 2028-10-31 · University of California, San Diego 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.

  • 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

$11,143

Medicare paid this office $11,143 for 81 people.

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

Largest Original Medicare bills
New patient visit (45+ min)36$5,089$141
New patient visit (30+ min)13$1,172$90
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory14$798$57
Cervical or vaginal cancer screening; pelvic and clinical breast examination12$570$48

Who their Medicare patients are

81 Original Medicare patients in 2024. Average age 65 · Under 65 33% · Women 100% · Also on Medicaid 38% · Health risk score 1.12. Above the middle of the specialty; the typical obstetrics & gynecology clinician is at 0.88.

Conditions among them: High blood pressure 43% · Depression 31% · Diabetes 21% · Coronary heart disease 17%.

The office billed $54,110, Medicare allowed $14,890 and paid $11,143; for 109 services of 12 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
202481109651.12$54,110$11,143
20235875660.91$41,156$6,097
20225882680.98$43,812$6,028
20215477690.88$47,397$5,326
20204867690.70$31,284$3,664
20195878640.95$14,613$4,048
20185271701.50$6,609$3,086
20173850710.85$7,365$2,582
20164963720.83$10,897$3,297
20155065720.68$9,965$3,411
201478117740.74$19,502$6,849
20135894750.81$14,473$5,363

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
Cervical or vaginal cancer screening; pelvic and clinical breast examination19$912$48

2022: 2 services

Original Medicare services billed in 2022
New patient visit (30+ min)15$1,264$84
Cervical or vaginal cancer screening; pelvic and clinical breast examination21$985$47

2021: 3 services

Original Medicare services billed in 2021
Cervical or vaginal cancer screening; pelvic and clinical breast examination23$1,094$48
New patient visit (30+ min)11$1,072$97
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory11$600$55

2020: 2 services

Original Medicare services billed in 2020
Short return visit (20+ min)18$1,212$58
Cervical or vaginal cancer screening; pelvic and clinical breast examination18$861$48

2019: 3 services

Original Medicare services billed in 2019
New patient visit (30+ min)15$917$61
Short return visit (20+ min)14$575$41
Cervical or vaginal cancer screening; pelvic and clinical breast examination13$499$38

2018: 2 services

Original Medicare services billed in 2018
Cervical or vaginal cancer screening; pelvic and clinical breast examination22$670$30
New patient visit (15+ min)12$526$44

2017: 2 services

Original Medicare services billed in 2017
Short return visit (20+ min)14$754$54
Cervical or vaginal cancer screening; pelvic and clinical breast examination13$513$39

2016: 2 services

Original Medicare services billed in 2016
Cervical or vaginal cancer screening; pelvic and clinical breast examination36$1,645$46
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory12$672$56

2015: 2 services

Original Medicare services billed in 2015
Cervical or vaginal cancer screening; pelvic and clinical breast examination32$1,464$46
Short return visit (20+ min)16$1,299$68

2014: 3 services

Original Medicare services billed in 2014
Cervical or vaginal cancer screening; pelvic and clinical breast examination46$2,082$45
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory24$1,323$55
Short return visit (20+ min)11$891$69

2013: 3 services

Original Medicare services billed in 2013
Cervical or vaginal cancer screening; pelvic and clinical breast examination39$1,781$46
Short return visit (20+ min)14$1,307$65
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory17$969$57

Medicaid work

$1,913 in 2024

Medicaid paid $1,913 for 16 billed services this clinician did in 2024, up to 16 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
New patient visit (45+ min)16$1,913
Medicaid work by year
202416116$1,913

Drugs they prescribed that Part D paid

$25,192

Pharmacies billed $25,192 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 110) in 2024. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0%.

66 generic and 44 brand-name prescriptions · $25,192 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
Estring18$9,307$517
Premarin18$6,845$380
Estradiol43$4,870$113

Year by year

Part D prescribing by year
2024110430% (0)40%$25,192
2023113360% (0)44%$31,812
2022118350% (0)40%$28,808
2021122340% (0)52%$31,476
2020134360% (0)63%$36,175
2019125390% (0)52%$26,093
2018111310% (0)51%$25,121
2017150300% (0)68%$31,584
2016121220% (0)67%$22,547
2015117260% (0)72%$24,460
2014111230% (0)72%$19,613
201313024None79%$19,229

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

See the drugs prescribed each year

2023: 3 drugs

Part D drugs prescribed in 2023
Estring20$11,189$559
Premarin20$7,942$397
Estradiol49$7,342$150

2022: 3 drugs

Part D drugs prescribed in 2022
Estring15$8,088$539
Premarin16$7,302$456
Estradiol55$7,079$129

2021: 3 drugs

Part D drugs prescribed in 2021
Premarin33$11,532$349
Estring15$7,537$502
Estradiol48$5,967$124

2020: 4 drugs

Part D drugs prescribed in 2020
Premarin59$21,296$361
Estring13$6,288$484
Estradiol18$2,591$144
Progesterone12$867$72

2019: 3 drugs

Part D drugs prescribed in 2019
Premarin46$15,932$346
Estradiol24$2,062$86
Doxycycline Hyclate14$375$27

2018: 4 drugs

Part D drugs prescribed in 2018
Premarin37$9,127$247
Yuvafem22$3,807$173
Estradiol14$2,901$207
Progesterone11$673$61

2017: 5 drugs

Part D drugs prescribed in 2017
Premarin63$14,596$232
Vagifem18$5,968$332
Estring11$4,328$393
Progesterone26$1,212$47
Estradiol11$661$60

2016: 4 drugs

Part D drugs prescribed in 2016
Premarin46$8,511$185
Estring15$4,748$317
Progesterone16$711$44
Estradiol16$257$16

2015: 3 drugs

Part D drugs prescribed in 2015
Premarin43$12,002$279
Estring15$4,020$268
Estradiol23$266$12

2014: 4 drugs

Part D drugs prescribed in 2014
Premarin47$8,931$190
Estring12$2,777$231
Valacyclovir13$535$41
Estradiol14$202$14

2013: 6 drugs

Part D drugs prescribed in 2013
Premarin50$8,422$168
Vagifem17$3,844$226
Estring13$2,695$207
Elidel12$2,139$178
Progesterone12$1,151$96
Estradiol12$352$29

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
1457315194
Licence
CA G35219California G35219: Current · expires 2028-10-31
Trained
University of California, San Diego School of Medicine, 1976
Video visits
Lists video visits
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207V00000X (207V00000X); Federal specialty code 207VG0400X (207VG0400X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2006-04-12
NPI last updated
2024-04-26
NPI record certified
2024-04-26

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