Mary H. Sherk, MD
NPI 1326014739ActiveIndividual· Family Medicine· Lake Charles, LA
Family Medicine (MD) in Lake Charles, Louisiana, trained at Drexel University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,199,561 for 10,099 claims, against $15,446 paid for services in 2024. Gilead Sciences, Inc. was the largest of 5 companies reporting payments in 2025, $165.35 in all, mostly food and beverage.
Overview
| NPI | 1326014739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 25, 2006 |
| Last updated in NPPES | Apr 29, 2022 |
| Certified by provider | Apr 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 14581R | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 335 across 7 procedure codes |
| Paid by Medicare | $15,446 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,099 · 23,169 30-day fills |
|---|---|
| Patients | 544 |
| Total drug cost | $1,199,561 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
Medical group
- Lcms Rehabilitation Institute of Southwest LouisianaLake Charles, LA · 34 clinicians
Hospital affiliations
- Lake Charles Memorial HospitalLake Charles, LA
- West Calcasieu Cameron HospitalSulphur, LA
Other facilities
- Christus Homecare St PatrickHome health agency · Lake Charles, LA
- Elara CaringHome health agency · Jennings, LA
- Stat Home Health of Southwest Louisiana, LLCHome health agency · Kinder, LA
Industry payments (Open Payments)
- 2025$165.35 · 6 payments from 5 companies
- 2024$202.54 · 7 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $55.67 | 2 |
| Inspire Medical Systems, Inc. | $35.74 | 1 |
| Intuitive Surgical, Inc. | $32.62 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $26.97 | 1 |
| Astrazeneca Pharmaceuticals LP | $14.35 | 1 |
What the 2025 payments were for
- Food and Beverage$165.35 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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