Erika Leung, M.D.
NPI 1326453721ActiveIndividual· Internal Medicine· Ste Genevieve, MO
Internal Medicine (M.D.) with Ste Genevieve County Memorial Hospital, practicing in Ste Genevieve, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,457,684 for 17,422 claims, against $4,874 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $276.58 in all, mostly food and beverage. Lists Mercy Hospital Jefferson and 1 other hospital as hospital affiliations.
Overview
| NPI | 1326453721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 24, 2014 |
| Last updated in NPPES | Sep 25, 2026 |
| Certified by provider | Sep 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2017044018 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 97 across 15 procedure codes |
| Paid by Medicare | $4,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17,422 · 22,977 30-day fills |
|---|---|
| Patients | 586 |
| Total drug cost | $1,457,684 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical group
- Ste Genevieve County Memorial HospitalSte Genevieve, MO · 71 clinicians
Hospital affiliations
- Mercy Hospital JeffersonCrystal City, MO
- Ste Genevieve County Memorial HospitalSainte Genevieve, MO
Other facilities
- Americare Home Health SolutionsHome health agency · Farmington, MO
- Centerwell Home HealthHome health agency · Rolla, MO
- Mercy Home HealthHome health agency · Saint Louis, MO
- Breeze Hospice of MissouriHospice · Ballwin, MO
- Serenity HospicecareHospice · Park Hills, MO
- Riverview at the Park Care and Rehabilitation CentNursing home · Sainte Genevieve, MO
- Southbrook Nursing CenterNursing home · Farmington, MO
- St Genevieve NursingNursing home · Sainte Genevieve, MO
Industry payments (Open Payments)
- 2025$276.58 · 14 payments from 8 companies
- 2024$300.38 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $57.62 | 3 |
| Pfizer Inc. | $55.85 | 3 |
| Lundbeck LLC | $38.54 | 1 |
| Sumitomo Pharma America, Inc. | $38.32 | 2 |
| Novartis Pharmaceuticals Corporation | $29.50 | 2 |
What the 2025 payments were for
- Food and Beverage$238.04 · 13 payments
- Education$38.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Ste Genevieve
- 1366456022