Thi Boi Dang, M.D.
NPI 1235417411ActiveIndividual· Internal Medicine, Cardiovascular Disease· Torrance, CA
Internal Medicine, Cardiovascular Disease (M.D.) with Providence Medical Institute and 1 other group, practicing in Torrance, California. Their prescriptions cost Medicare Part D more than their services did: $836,015 for 3,073 claims, against $202,199 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 7 companies reporting payments in 2025, $287.75 in all, mostly food and beverage. Lists Providence Little Co of Mary Med Ctr San Pedro and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1235417411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 22, 2011 |
| Last updated in NPPES | Sep 13, 2021 |
| Certified by provider | Sep 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A122538 | 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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,234 |
|---|---|
| Services billed | 3,240 across 48 procedure codes |
| Paid by Medicare | $202,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,073 · 7,980 30-day fills |
|---|---|
| Patients | 498 |
| Total drug cost | $836,015 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical InstitutePark Ridge, IL · 288 clinicians
- Southern California Hospitalist Network Medical Group IncOrange, CA · 77 clinicians
Hospital affiliations
- Providence Little Co of Mary Med Ctr San PedroSan Pedro, CA
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Torrance Memorial Medical CenterTorrance, CA
Industry payments (Open Payments)
- 2025$287.75 · 12 payments from 7 companies
- 2024$87.93 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $94.65 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $85.82 | 3 |
| Pfizer Inc. | $34.57 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $19.37 | 1 |
| Impulse Dynamics (USA) Inc. | $18.54 | 1 |
What the 2025 payments were for
- Food and Beverage$287.75 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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