Mark A. Davis, MD
NPI 1457465916ActiveIndividual· Internal Medicine· Newberry, SC
Internal Medicine (MD) in Newberry, South Carolina, trained at University of Miami, Lm Miller School of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $1,622,108 for 17,119 claims, against $160,095 paid for services in 2024. Corcept Therapeutics was the largest of 18 companies reporting payments in 2025, $794.34 in all, mostly food and beverage.
Overview
| NPI | 1457465916 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | May 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 10491 | SC |
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 - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 872 |
|---|---|
| Services billed | 4,327 across 57 procedure codes |
| Paid by Medicare | $160,095 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17,119 · 30,196 30-day fills |
|---|---|
| Patients | 829 |
| Total drug cost | $1,622,108 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Internal Medicine |
Medical groups
- Newberry County Memorial HospitalNewberry, SC · 16 clinicians
- Newberry Internal Medicine LLCNewberry, SC · 2 clinicians
Hospital affiliations
- Lexington Medical CenterWest Columbia, SC
- Newberry County Memorial HospitalNewberry, SC
- Prisma Health BaptistColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
- Self Regional HealthcareGreenwood, SC
Other facilities
- Amedisys Home Health of LexingtonHome health agency · Lexington, SC
- Centerwell Home HealthHome health agency · Newberry, SC
Industry payments (Open Payments)
- 2025$794.34 · 34 payments from 18 companies
- 2024$831.43 · 44 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $185.16 | 3 |
| Abbott Laboratories | $88.08 | 4 |
| Amgen Inc. | $67.37 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $64.49 | 3 |
| Astrazeneca Pharmaceuticals LP | $52.51 | 3 |
What the 2025 payments were for
- Food and Beverage$794.34 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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