Lauren Eun-Jung Choi, M.D.
NPI 1699736132ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Long Beach, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Torrance Health Association Inc, practicing in Long Beach, California. Their prescriptions cost Medicare Part D more than their services did: $1,850,769 for 5,022 claims, against $230,340 paid for services in 2024. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $797.68 in all, mostly food and beverage. Lists Torrance Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1699736132 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Nov 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A78003 | 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 | 385 |
|---|---|
| Services billed | 7,893 across 13 procedure codes |
| Paid by Medicare | $230,340 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,022 · 12,374 30-day fills |
|---|---|
| Patients | 590 |
| Total drug cost | $1,850,769 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Torrance Health Association IncRedondo Beach, CA · 299 clinicians
Hospital affiliation
- Torrance Memorial Medical CenterTorrance, CA
Industry payments (Open Payments)
- 2025$797.68 · 46 payments from 5 companies
- 2024$1,201 · 71 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $398.48 | 28 |
| Dexcom, Inc. | $180.24 | 10 |
| Tandem Diabetes Care, Inc. | $105.30 | 3 |
| Novo Nordisk Inc | $89.59 | 4 |
| Lilly USA, LLC | $24.07 | 1 |
What the 2025 payments were for
- Food and Beverage$797.68 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 endocrinologists in Long Beach · All endocrinologists in California