Llanyee Isabella Liwanpo, M.D.
NPI 1417171711ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Orange, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Orange, California, trained at Columbia University College of Physicians and Surgeons (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $3,000,154 for 4,894 claims, against $47,944 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $362.31 in all, mostly food and beverage.
Overview
| NPI | 1417171711 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 11, 2007 |
| Last updated in NPPES | Oct 21, 2020 |
| Certified by provider | Oct 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A94281 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 985 across 42 procedure codes |
| Paid by Medicare | $47,944 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,894 · 12,809 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $3,000,154 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$362.31 · 9 payments from 6 companies
- 2024$126.83 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $175.00 | 1 |
| Abbott Laboratories | $54.17 | 3 |
| Insulet Corporation | $50.82 | 2 |
| Recordati_rare_diseases_inc. | $32.08 | 1 |
| Alexion Pharmaceuticals, Inc. | $25.56 | 1 |
What the 2025 payments were for
- Food and Beverage$187.31 · 8 payments
- Consulting Fee$175.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Orange
- 1770666828
- 1942499793
- 1568471688
- 1619925153
- 1164502233
- 1760562854
- 1336497775
- 1699139287
- 1578095774
- 1407964448
- 1508554429
- 1710988662
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in California →