Wesley Shih, M.D.
NPI 1013939420ActiveIndividual· Internal Medicine· Encinitas, CA
Internal Medicine (M.D.) in Encinitas, California, trained at University of Southern California Keck School of Medicine (class of 2003). 431 Medicare patients in 2024, $98,230 paid; nearly all of their 489 Part D prescriptions were generic (91%).
Overview
| NPI | 1013939420 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Feb 10, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A89598 | 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 | 431 |
|---|---|
| Services billed | 989 across 9 procedure codes |
| Paid by Medicare | $98,230 |
Part D prescriptions in 2024
| Prescriptions (claims) | 489 · 541 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $27,982 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
Medical group
- North County Inpatient Medical Alliance, A Medical Group, IncEncinitas, CA · 45 clinicians
Hospital affiliation
- Scripps Memorial Hospital - EncinitasEncinitas, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 81 internal medicine physicians in Encinitas · All internal medicine physicians in California