Caroline Koan, M.D.
NPI 1205298767ActiveIndividual· Internal Medicine, Infectious Disease· Long Beach, CA
Internal Medicine, Infectious Disease (M.D.) in Long Beach, California, trained at University of Toledo College of Medicine (class of 2016). Part D covered 19 prescriptions written in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $150.60 in all, mostly food and beverage.
Overview
| NPI | 1205298767 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2016 |
| Last updated in NPPES | Sep 10, 2025 |
| Certified by provider | Sep 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A150384 | 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 - Infectious Disease (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 20 30-day fills |
|---|---|
| Total drug cost | $28,607 |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Infectious Disease |
Medical group
- County of Los AngelesWilmington, CA · 397 clinicians
Hospital affiliation
- Lac/Harbor-Ucla Med CenterTorrance, CA
Industry payments (Open Payments)
- 2025$150.60 · 7 payments from 2 companies
- 2024$25.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $118.88 | 6 |
| Astellas Pharma US Inc | $31.72 | 1 |
What the 2025 payments were for
- Food and Beverage$150.60 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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