Ling P Chen, MD
Obstetrics/Gynecology · Redwood City
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 17
- 4 carriers
- Office
- 1
Offices
1 location · UCSF Health Medical Foundation · 40 clinicians in this group
Looking this up.
Plans that list them
17 plans · 4 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chen’s office at (650) 701-1882 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
17 of 17 plans
| Advantage Care (HMO) | Align Senior Care | Listed | Oct 1, 2026 |
| Premier Care (HMO I-SNP) | Align Senior Care | Listed | Oct 1, 2026 |
| Senior Care (HMO I-SNP) | Align Senior Care | Listed | Oct 1, 2026 |
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Harmony (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Silicon (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health smartHMO (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health the ONE (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Blue Shield Inspire (HMO) | Blue Shield of California | Listed | Aug 26, 2026 |
| SCAN Strive (HMO C-SNP) | SCAN Health Plan | Listed | Oct 3, 2026 |
Original Medicare doctor bills
$1,976
Medicare paid this office $1,976 for 20 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 13 | $747 | $57 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 12 | $575 | $48 |
Who their Medicare patients are
20 Original Medicare patients in 2024. Average age 69 · Women 100% · Also on Medicaid 0% · Health risk score 0.80. At or below the middle of the specialty; the typical obstetrics & gynecology clinician is at 0.88.
Conditions among them: High blood pressure 55%.
The office billed $7,312, Medicare allowed $2,508 and paid $1,976; for 35 services of 7 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 | 20 | 35 | 69 | 0.80 | $7,312 | $1,976 |
| 2023 | 18 | 46 | 67 | 0.89 | $10,498 | $2,843 |
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: 2 services
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 14 | $782 | $56 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 15 | $717 | $48 |
Money from drug and device companies
$750 in 2025
| 2025 | 6 | 18 | None | $750 |
| 2024 | 2 | 21 | None | $622 |
| 2023 | 4 | 32 | None | $815 |
| 2022 | 3 | 5 | None | $122 |
| 2021 | 5 | 14 | None | $252 |
| 2020 | 2 | 5 | None | $163 |
| 2019 | 5 | 5 | None | $390 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Astellas Pharma US | Veozah | $260 | 9 payments
|
| Hologic Sales and Service | Acessa Provu System | $140 | 2 payments
|
| Millicent US | None | $135 | 1 payment
|
| Pfizer | Comirnaty | $120 | 1 payment
|
| ARS Pharmaceuticals Operations | Neffy | $67 | 1 payment
|
| Mayne Pharma Commercial | None | $28 | 4 payments
|
See all 18 published payments
| Mayne Pharma Commercial | Meals · 2025-12-17 | None | $8 |
| Pfizer | Meals · 2025-11-03 | Comirnaty | $120 |
| Mayne Pharma Commercial | Meals · 2025-10-31 | None | $9 |
| Astellas Pharma US | Meals · 2025-10-22 | Veozah | $23 |
| Astellas Pharma US | Meals · 2025-10-07 | Veozah | $8 |
| Astellas Pharma US | Meals · 2025-08-27 | Veozah | $11 |
| Astellas Pharma US | Meals · 2025-07-23 | Veozah | $9 |
| ARS Pharmaceuticals Operations | Meals · 2025-06-26 | Neffy | $67 |
| Mayne Pharma Commercial | Meals · 2025-06-09 | None | $6 |
| Hologic Sales and Service | Meals · 2025-05-13 | Myosure Tissue Removal Device | $14 |
| Astellas Pharma US | Meals · 2025-05-09 | Veozah | $9 |
| Mayne Pharma Commercial | Meals · 2025-04-05 | None | $5 |
| Astellas Pharma US | Meals · 2025-04-01 | Veozah | $25 |
| Millicent US | Education · 2025-03-21 | None | $135 |
| Astellas Pharma US | Meals · 2025-03-08 | Veozah | $31 |
| Hologic Sales and Service | Meals · 2025-03-06 | Acessa Provu System | $126 |
| Astellas Pharma US | Meals · 2025-02-14 | Veozah | $20 |
| Astellas Pharma US | Meals · 2025-01-30 | Veozah | $125 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $622
| Astellas Pharma US | Veozah | $323 | 6 payments
|
| Mayne Pharma Commercial | Annovera | $299 | 15 payments
|
2023: $815
| Mayne Pharma Commercial | Nextstellis | $365 | 24 payments
|
| Minerva Surgical | None | $289 | 4 payments
|
| Astellas Pharma US | Myrbetriq | $109 | 2 payments
|
| Sumitomo Pharma America | Myfembree | $53 | 2 payments
|
2022: $122
| TherapeuticsMD | Annovera | $66 | 3 payments
|
| Abbvie | Lo Loestrin Fe | $32 | 1 payment
|
| Astellas Pharma US | Myrbetriq | $25 | 1 payment
|
2021: $252
| AbbVie | Lo Loestrin Fe | $166 | 9 payments
|
| TherapeuticsMD | Annovera | $49 | 2 payments
|
| Myovant Sciences | Myfembree | $14 | 1 payment
|
| Avion Pharmaceuticals | Balcoltra | $12 | 1 payment
|
| Merck Sharp & Dohme | Nexplanon | $11 | 1 payment
|
2020: $163
| Sage Therapeutics | Zulresso | $111 | 1 payment
|
| AbbVie | Liletta | $52 | 4 payments
|
2019: $390
| AstraZeneca Pharmaceuticals LP | Fasenra | $125 | 1 payment
|
| Teva Pharmaceuticals USA | Ajovy | $125 | 1 payment
|
| Terumo Medical | Glidesheath | $104 | 1 payment
|
| Edwards Lifesciences | Clearsight System | $23 | 1 payment
|
| Merck Sharp & Dohme | Nexplanon | $13 | 1 payment
|
Professional record
- NPI
- 1649216888
- Licence
- CA A 052321
- Trained
- Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, 1992
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207V00000X (207V00000X)
- Mailing address
- Po Box 320603, Los Gatos, CA, 95032
- NPI first listed
- 2006-06-22
- NPI last updated
- 2022-01-02
- NPI record certified
- 2021-12-31
This is when the NPI record was last certified, not a medical board exam.