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Kathryn Davidson, PA

Physician Assistant · Stanford

NPI 1386248011

Medicare standing
2 flags on the record
Listed below.
Plans that list them
Not verified
Not the same as out of network.
Offices
2
Since medical school
5 years
Eastern Virginia Medical School, 2021

On the public record

  • California licence: Revoked
  • 3 Medical Board actions on record

Offices

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

Looking this up.

Hospitals listed: Stanford Health Care Tri-Valley. 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 Kathryn Davidson’s office at (650) 723-4000 to ask if they take your plan before you enroll.

California Medical Board record

Licence G59725 · Revoked

Licence status: Revoked · since 1987 · University of Utah School of Medicine. Board flags: Revoked, Admin Action By Other State/Fed Gov'T.

License has been revoked as a result of disciplinary action rendered by the Board. No practice is permitted.

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

Public record actions

Actions the Medical Board of California publishes for this licence
2002-04-19Action in another state or by a federal agencyDisciplineOn 4/1/2002 a summary/emergency/temporary suspension was issued. on 6/1/2002 license was revoked. · Nevada state board of medical examiners
1996-10-07Board disciplineDisciplineRevoked. · 16 1995055442
1995-07-10Action in another state or by a federal agencyDisciplineIndefinitely suspended. · Utah physicians and surgeon state licensing board

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 Care Tri-ValleyPleasanton, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Stanford Health Care, which runs 3 hospitalsPatients rate it 3 of 5 · 74% would definitely recommend it
    Overall rating: 5 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.178, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.237, Oct 2024 – Sep 2025
See every measure and the patient survey for Stanford Health Care Tri-Valley

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: 2 better, 7 the same, 0 worse of 9 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 Tri-Valley
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.178BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.237BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.79 (0 to 1.73) · 1,041 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.79 (0.5 to 1.08)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths145.81 (96.5 to 195.12) · 72 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.9 · 55 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths8.6 · 92 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.5 · 96 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths9.5 · 395 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 391 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.1 · 162 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3 · 1,736 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.16 (0 to 0.37) · 4,425 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.22 (0.02 to 0.41) · 4,771 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.45 (1.46 to 5.44) · 1,403 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.5 (0.05 to 2.94) · 645 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths1.81 (0.38 to 3.24) · 1,279 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.53 (3.2 to 13.85) · 639 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.15 (1.89 to 8.41) · 648 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.61 (0.14 to 3.07) · 370 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.16 (0 to 0.83) · 4,160 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 74 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.369No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections1.112No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.1 · 110 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.1 · 437 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits-5.8 · 94 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-19.3 · 456 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-0.3 · 402 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits15.8 · 358 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits6.8 (4.7 to 9.6) · 198 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits10.1 (7.5 to 13.6) · 198 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.3 · 80 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.9 · 46 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.3 · 92 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.4 (9.6 to 16.2) · 1,532 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.8 to 1.2) · 929 casesNo differentJan 2024 – Dec 2024

What patients said (1,268 patients answered, 26% of those asked)

Patient survey stars by topic at Stanford Health Care Tri-Valley
Cleanliness3
Nurse communication3
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Stanford Health Care Tri-Valley
Room was "always" clean65%
Nurses "always" communicated well77%
Doctors "always" communicated well79%
Staff "always" explained58%
Yes, staff "did" give patients this information88%
Yes, staff "did" give patients information about help after discharge88%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully78%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)70%
Staff "always" explained new medications72%
Nurses "always" explained things so they could understand73%
Nurses "always" listened carefully74%
Nurses "always" treated them with courtesy and respect84%
"Always" quiet at night42%
"YES", patients would definitely recommend the hospital74%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms89%

Original Medicare doctor bills

$4,715

Medicare paid this office $4,715 for 40 people.

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

Largest Original Medicare bills
Return visit (30+ min)12$1,143$95

Who their Medicare patients are

40 Original Medicare patients in 2024. Average age 71 · 85 and older 0% · Women 70% · Health risk score 1.40. Above the middle of the specialty; the typical physician assistant clinician is at 1.31.

Conditions among them: High blood pressure 75% · Diabetes 43% · Chronic kidney disease 35% · Depression 33%.

The office billed $60,823, Medicare allowed $6,140 and paid $4,715; for 60 services of 20 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.

Drugs they prescribed that Part D paid

$1,121

Pharmacies billed $1,121 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 49% of their Part D prescriptions (78 of 159) in 2024. A higher opioid share than 9 in 10 peers; the typical physician assistant clinician is at 1%.

159 generic and 0 brand-name prescriptions · $1,121 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
Oxycodone51$188$4
Ibuprofen27$187$7
Gabapentin17$147$9
Tramadol13$26$2

Year by year

Part D prescribing by year
202415910049% (78)0%$1,121
2023352771% (25)0%$267
202214None0% (0)0%$236

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

See the drugs prescribed each year

2023: 1 drug

Part D drugs prescribed in 2023
Oxycodone21$78$4

Money from drug and device companies

$17 in 2024

Industry payments by year
202411None$17
202313None$123
202211None$6
202114None$88

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
Janssen BiotechTremfya$17
1 payment
  • Meals for Tremfya · 2024-06-05 · $17
See the published payment
Every published payment
Janssen BiotechMeals · 2024-06-05Tremfya$17
See earlier years (2023, 2022, 2021)

2023: $123

Payments by company in 2023
Medical Device Business ServicesNone$123
3 payments
  • Education · 2023-11-21 · $59
  • Education · 2023-10-24 · $50
  • Education · 2023-09-21 · $14

2022: $6

Payments by company in 2022
Electronic Waveform LabNone$6
1 payment
  • Meals · 2022-01-13 · $6

2021: $88

Payments by company in 2021
Electronic Waveform LabNone$88
1 payment
  • Meals · 2021-11-04 · $88

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
1386248011
Licence
CA PA59725California G59725: Revoked
Trained
Eastern Virginia Medical School, 2021 · 5 years ago
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Physician assistant (363A00000X); Physician assistant, surgical (363AS0400X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2020-11-23
NPI last updated
2025-12-24
NPI record certified
2025-12-24

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

Extra NPI addresses: 320 Caldecott Ln Unit 110, Oakland, CA, 94618 · 5725 W Las Positas Blvd Ste 200, Pleasanton, CA, 94588