Christopher Sun, MD
NPI 1245407105ActiveIndividual· Internal Medicine· Redondo Beach, CA
Internal Medicine (MD) with Providence Medical Institute, practicing in Redondo Beach, California. Their prescriptions cost Medicare Part D more than their services did: $672,891 for 7,177 claims, against $64,158 paid for services in 2024. Stryker Corporation was the largest of 3 companies reporting payments in 2025, $452.99 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 | 1245407105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2008 |
| Last updated in NPPES | Apr 20, 2021 |
| Certified by provider | Apr 20, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A102353 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 398 |
|---|---|
| Services billed | 1,474 across 33 procedure codes |
| Paid by Medicare | $64,158 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,177 · 18,411 30-day fills |
|---|---|
| Patients | 598 |
| Total drug cost | $672,891 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical InstitutePark Ridge, IL · 288 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
Other facilities
- Elegance Healthcare, IncHome health agency · Tarzana, CA
- Providence Home Health la County SouthHome health agency · Torrance, CA
- Tender Home HealthHome health agency · Granada Hills, CA
Industry payments (Open Payments)
- 2025$452.99 · 3 payments from 3 companies
- 2024$267.99 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $158.33 | 1 |
| Boston Scientific Corporation | $147.62 | 1 |
| Insightec,inc | $147.04 | 1 |
What the 2025 payments were for
- Food and Beverage$452.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Redondo Beach · All internal medicine physicians in California