Harry Dayton, M. D., PH. D.
NPI 1275695694ActiveIndividual· Internal Medicine· Meridian, MS
Internal Medicine (M. D., PH. D.) with Medical Foundation Inc, practicing in Meridian, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $415,698 for 7,618 claims, against $21,971 paid for services in 2024. Alexion Pharmaceuticals, Inc. reported $24.74 in payments in 2025, mostly food and beverage. Lists Anderson Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275695694 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D., PH. D. |
| Sole proprietor | No |
| NPI issued | Dec 14, 2006 |
| Last updated in NPPES | Mar 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 11617 | MS |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 11617 | MS |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 409 across 10 procedure codes |
| Paid by Medicare | $21,971 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,618 · 15,214 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $415,698 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Medical Foundation IncMeridian, MS · 212 clinicians
Hospital affiliations
- Anderson Regional Medical CenterMeridian, MS
- Ochsner Rush HospitalMeridian, MS
Other facilities
- Accentcare Home Health of CarthageHome health agency · Carthage, MS
- Centerwell Home HealthHome health agency · Meridian, MS
- Deaconess Homecare- Region IHome health agency · Laurel, MS
Industry payments (Open Payments)
- 2025$24.74 · 1 payment from 1 company
- 2024$137.53 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $24.74 | 1 |
What the 2025 payments were for
- Food and Beverage$24.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 internal medicine physicians in Meridian · All internal medicine physicians in Mississippi