Leonierose Namalata Dacuycuy, M.D.
NPI 1588059661ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fremont, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Fremont, California, trained at Michigan State University College of Human Medicine (class of 2015). Part D covered 990 prescriptions written in 2024, 27% of them generic. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $110.28 in all, mostly food and beverage.
Overview
| NPI | 1588059661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2015 |
| Last updated in NPPES | Oct 24, 2025 |
| Certified by provider | Oct 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A144075 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 990 · 1,993 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $534,712 |
| Generic share | 27% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$110.28 · 5 payments from 3 companies
- 2024$209.63 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $76.15 | 3 |
| Tandem Diabetes Care, Inc. | $19.07 | 1 |
| Medtronic, Inc. | $15.06 | 1 |
What the 2025 payments were for
- Food and Beverage$110.28 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Fremont
- 1942553391
- 1265752380
- 1083893838
- 1235163866
- 1295780542
- 1619061033
- 1780115865
- 1144575945
- 1003002049
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in California →