Katherine E Williams, MD
Psychiatry · Stanford
- 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
- Since medical school
- 39 years
- Graduated 1987
Offices
2 locations · Stanford Health Care · 3,152 clinicians in this group
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. Williams’s office at (650) 723-4000 to ask if they take your plan before you enroll.
California Medical Board record
Licence G72846 · Current
Licensed to practise in California · since 1991 · expires 2027-07-31 · Bowman Gray School of Medicine of Wake Forest University.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
School, training and certification
What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.
Specialty certification
- American Board of Psychiatry and Neurology - Psychiatry
Original Medicare doctor bills
$34,483
Medicare paid this office $34,483 for 12 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Who their Medicare patients are
12 Original Medicare patients in 2024. Average age 69 · 85 and older 0% · Women 100% · Health risk score 0.95. At or below the middle of the specialty; the typical psychiatry clinician is at 1.35.
Conditions among them: Depression 75%.
The office billed $143,185, Medicare allowed $43,919 and paid $34,483; for 335 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
| 2024 | 12 | 335 | 69 | 0.95 | $143,185 | $34,483 |
| 2023 | 11 | 521 | 68 | 0.73 | $209,628 | $39,871 |
| 2021 | 12 | 280 | 66 | 0.83 | $100,989 | $17,944 |
| 2020 | 12 | 294 | 62 | 0.92 | $112,171 | $17,100 |
| 2019 | 14 | 150 | 63 | 0.78 | $51,841 | $9,847 |
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
| Telehealth originating site facility fee | 11 | $3,515 | $22 |
2021: 1 service
| Telehealth originating site facility fee | 11 | $1,989 | $21 |
Drugs they prescribed that Part D paid
$2,864
Pharmacies billed $2,864 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 97) in 2024. At or below the middle of the specialty; the typical psychiatry clinician is at 0%.
95 generic and fewer than 11 brand-name prescriptions · $2,864 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.
| Buspirone | 22 | $627 | $29 |
| Lamotrigine | 11 | $26 | $2 |
| Sertraline | 12 | $13 | $1 |
Year by year
| 2024 | 97 | 12 | 0% (0) | None | $2,864 |
| 2023 | 100 | 11 | 0% (0) | 0% | $1,205 |
| 2022 | 102 | None | 0% (0) | 0% | $2,472 |
| 2021 | 102 | None | 0% (0) | 0% | $2,842 |
| 2020 | 127 | 11 | None | 0% | $3,027 |
| 2019 | 158 | None | 0% (0) | 0% | $3,316 |
| 2018 | 123 | 11 | 0% (0) | 0% | $2,721 |
| 2017 | 86 | None | 0% (0) | 0% | $1,522 |
| 2016 | 83 | None | 0% (0) | None | $3,268 |
| 2015 | 45 | None | 0% (0) | 0% | $1,832 |
| 2014 | 63 | None | 0% (0) | None | $1,146 |
| 2013 | 56 | None | 0% (0) | None | $1,249 |
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
| Buspirone | 22 | $675 | $31 |
| Bupropion Hcl Sr | 14 | $80 | $6 |
| Lamotrigine | 15 | $47 | $3 |
2022: 4 drugs
| Buspirone | 15 | $880 | $59 |
| Lamotrigine | 16 | $108 | $7 |
| Bupropion Hcl Sr | 14 | $93 | $7 |
| Zolpidem | 13 | $92 | $7 |
2021: 4 drugs
| Buspirone | 17 | $594 | $35 |
| Lamotrigine | 14 | $278 | $20 |
| Bupropion Hcl Sr | 13 | $112 | $9 |
| Zolpidem | 14 | $107 | $8 |
2020: 5 drugs
| Buspirone | 32 | $823 | $26 |
| Lamotrigine | 14 | $349 | $25 |
| Trazodone | 17 | $187 | $11 |
| Bupropion Hcl Sr | 13 | $86 | $7 |
| Zolpidem | 11 | $80 | $7 |
2019: 7 drugs
| Buspirone | 35 | $1,381 | $39 |
| Bupropion Xl | 18 | $592 | $33 |
| Lamotrigine | 13 | $167 | $13 |
| Trazodone | 25 | $164 | $7 |
| Bupropion Hcl Sr | 12 | $114 | $10 |
| Sertraline | 19 | $58 | $3 |
| Zolpidem | 12 | $23 | $2 |
2018: 3 drugs
| Buspirone | 31 | $1,155 | $37 |
| Lamotrigine | 12 | $212 | $18 |
| Bupropion Hcl Sr | 12 | $82 | $7 |
2017: 2 drugs
| Bupropion Hcl Sr | 25 | $150 | $6 |
| Sertraline | 13 | $58 | $4 |
2016: 2 drugs
| Bupropion Hcl Sr | 20 | $255 | $13 |
| Sertraline | 15 | $135 | $9 |
2015: 2 drugs
| Bupropion Hcl Sr | 12 | $208 | $17 |
| Sertraline | 11 | $87 | $8 |
2014: 4 drugs
| Bupropion Xl | 11 | $287 | $26 |
| Bupropion Hcl Sr | 14 | $243 | $17 |
| Risperidone | 11 | $119 | $11 |
| Sertraline | 21 | $118 | $6 |
2013: 1 drug
| Sertraline | 20 | $107 | $5 |
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
- 1740317817
- Licence
- CA G72846California G72846: Current · expires 2027-07-31
- Group
- Stanford Health Care
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Psychiatry (2084P0800X)
- Mailing address
- 300 Pasteur Dr, Stanford, CA, 94305
- NPI first listed
- 2007-02-27
- NPI last updated
- 2024-04-28
- NPI record certified
- 2024-04-28
This is when the NPI record was last certified, not a medical board exam.