Katy Chien-Chien Young-Lee, MD
NPI 1841259173ActiveIndividual· Internal Medicine· Emeryville, CA
Internal Medicine (MD) in Emeryville, California, trained at University of Vermont College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $409,640 for 5,738 claims, against $107,204 paid for services in 2024. Emd Serono, Inc. reported $16.48 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1841259173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2006 |
| Last updated in NPPES | Mar 19, 2026 |
| Certified by provider | Mar 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A73200 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 1,315 across 36 procedure codes |
| Paid by Medicare | $107,204 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,738 · 13,647 30-day fills |
|---|---|
| Patients | 475 |
| Total drug cost | $409,640 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Stanford Health CareStanford, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
- Golden Pacific Home Health, IncHome health agency · Alameda, CA
Industry payments (Open Payments)
- 2024$16.48 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Emd Serono, Inc. | $16.48 | 1 |
What the 2024 payments were for
- Food and Beverage$16.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Emeryville
- 1477972438
- 1477757375
- 1184185878
- 1245243484
- 1255390050
- 1255418505
- 1255711461
- 1407096787
- 1477522548
- 1679532808
- 1811956618
- 1861915118
All 29 internal medicine physicians in Emeryville · All internal medicine physicians in California