Kirstin W Woo, MD
Obstetrics/Gynecology · Los Altos
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 6
- 3 carriers
- Offices
- 3
Offices
3 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Plans that list them
6 plans · 3 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Woo’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
6 of 6 plans
| Alignment Health Sutter Advantage +More (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| SCAN Balance (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN Classic (HMO) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN MyChoice (HMO) | SCAN Health Plan | Listed | Oct 3, 2026 |
| SCAN Strive (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A91612 · Current
Licensed to practise in California · since 2005 · expires 2028-11-30 · University of Pittsburgh School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$5,632
Medicare paid this office $5,632 for 42 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Short return visit (20+ min) | 18 | $1,505 | $72 |
| New patient visit (30+ min) | 13 | $1,272 | $98 |
Who their Medicare patients are
42 Original Medicare patients in 2024. Average age 74 · Women 100% · Health risk score 0.63. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0.88.
Conditions among them: High blood pressure 50%.
The office billed $24,701, Medicare allowed $8,008 and paid $5,632; for 64 services of 14 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 | 42 | 64 | 74 | 0.63 | $24,701 | $5,632 |
| 2023 | 33 | 69 | 76 | 0.77 | $21,496 | $6,123 |
| 2022 | 35 | 63 | 74 | 0.64 | $18,700 | $4,965 |
| 2021 | 28 | 44 | 72 | 0.78 | $11,811 | $3,270 |
| 2020 | 27 | 44 | 74 | 0.77 | $13,720 | $3,477 |
| 2019 | 31 | 75 | 76 | 0.92 | $18,163 | $4,438 |
| 2018 | 32 | 83 | 73 | 0.85 | $21,891 | $5,821 |
| 2017 | 30 | 72 | 71 | 0.84 | $17,624 | $4,827 |
| 2016 | 26 | 59 | 73 | 0.82 | $14,802 | $4,141 |
| 2015 | 24 | 58 | 74 | 0.89 | $18,899 | $5,102 |
| 2014 | 29 | 90 | 73 | 1.12 | $25,440 | $6,567 |
| 2013 | 28 | 63 | 70 | 0.81 | $17,655 | $4,847 |
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
| Short return visit (20+ min) | 16 | $1,908 | $83 |
2022: 2 services
| Short return visit (20+ min) | 14 | $1,525 | $69 |
| Return visit (30+ min) | 11 | $1,037 | $94 |
2021: 1 service
| Short return visit (20+ min) | 16 | $1,523 | $76 |
2020: 1 service
| Short return visit (20+ min) | 20 | $1,571 | $56 |
2019: 1 service
| Short return visit (20+ min) | 22 | $2,404 | $59 |
2018: 1 service
| Short return visit (20+ min) | 19 | $2,226 | $67 |
2017: 2 services
| Short return visit (20+ min) | 19 | $2,533 | $63 |
| Return visit (30+ min) | 11 | $869 | $79 |
2016: 1 service
| Short return visit (20+ min) | 18 | $1,895 | $61 |
2015: 1 service
| Short return visit (20+ min) | 15 | $1,787 | $66 |
2014: 1 service
| Short return visit (20+ min) | 21 | $2,322 | $61 |
2013: 1 service
| Short return visit (20+ min) | 18 | $1,930 | $60 |
Drugs they prescribed that Part D paid
$13,624
Pharmacies billed $13,624 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 88) in 2024. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0%.
61 generic and 27 brand-name prescriptions · $13,624 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.
| Estradiol (Twice Weekly) | 19 | $857 | $45 |
Year by year
| 2024 | 88 | 22 | 0% (0) | 31% | $13,624 |
| 2023 | 67 | 18 | 0% (0) | None | $8,706 |
| 2022 | 64 | 21 | 0% (0) | 30% | $9,417 |
| 2021 | 47 | 17 | 0% (0) | 28% | $7,092 |
| 2020 | 51 | 14 | 0% (0) | 25% | $10,202 |
| 2019 | 34 | 13 | 0% (0) | 38% | $7,643 |
| 2018 | 19 | 13 | 0% (0) | None | $1,848 |
| 2017 | 22 | None | 0% (0) | 0% | $1,635 |
| 2016 | 19 | None | 0% (0) | None | $2,775 |
| 2015 | 24 | None | 0% (0) | None | $2,138 |
| 2014 | 52 | 14 | None | 42% | $9,582 |
| 2013 | 47 | 16 | None | 57% | $8,857 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 2 drugs
| Estradiol | 13 | $1,161 | $89 |
| Estradiol (Twice Weekly) | 11 | $1,047 | $95 |
2021: 1 drug
| Estradiol (Twice Weekly) | 13 | $899 | $69 |
2019: 1 drug
| Clobetasol Propionate | 11 | $516 | $47 |
Money from drug and device companies
$61 in 2021
A payment is not proof that care is biased.
| CooperSurgical | Paragard | $61 | 2 payments
|
See all 2 published payments
| CooperSurgical | Meals · 2021-03-30 | Paragard | $28 |
| CooperSurgical | Meals · 2021-03-15 | Paragard | $33 |
Professional record
- NPI
- 1023144672
- Licence
- CA A91612California A91612: Current · expires 2028-11-30
- Trained
- University of Pittsburgh School of Medicine, 2003
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207V00000X (207V00000X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2007-02-26
- NPI last updated
- 2020-05-27
- NPI record certified
- 2020-05-27
This is when the NPI record was last certified, not a medical board exam.