Do-Eun Lee, MD
NPI 1346339652ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Napa, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Napa, California, licensed in CA, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $2,589,802 for 2,806 claims, against $467,090 paid for services in 2024. Novo Nordisk Inc was the largest of 25 companies reporting payments in 2025, $2,478 in all, mostly food and beverage. Lists Adventist Health Clearlake and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1346339652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Jun 23, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A107775 | 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 - Endocrinology (CA); Practitioner - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 840 |
|---|---|
| Services billed | 22,867 across 18 procedure codes |
| Paid by Medicare | $467,090 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,806 · 6,734 30-day fills |
|---|---|
| Patients | 533 |
| Total drug cost | $2,589,802 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health St HelenaSaint Helena, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Providence Queen of the Valley Medical CenterNapa, CA
- Sonoma Valley HospitalSonoma, CA
Industry payments (Open Payments)
- 2025$2,478 · 118 payments from 25 companies
- 2024$11,069 · 125 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $342.11 | 19 |
| Amgen Inc. | $295.48 | 14 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $252.47 | 15 |
| Antares Pharma, Inc. | $248.67 | 11 |
| Madrigal Pharmaceuticals | $237.95 | 7 |
What the 2025 payments were for
- Food and Beverage$2,478 · 118 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Napa
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