Nathan Chambers Darby, M.D.
NPI 1649470147ActiveIndividual· Family Medicine, Sports Medicine· Hattiesburg, MS
Family Medicine, Sports Medicine (M.D.) in Hattiesburg, Mississippi, trained at University of Mississippi School of Medicine (class of 2006). 364 Medicare patients in 2024, $251,822 paid; all of their 459 Part D prescriptions were generic. Ferring Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $210.76 in all, mostly food and beverage.
Overview
| NPI | 1649470147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 23, 2007 |
| Last updated in NPPES | Jul 20, 2020 |
| Certified by provider | Jul 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Sports Medicine Primary | 207QS0010X | 21106 | 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 - Sports Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 10,818 across 63 procedure codes |
| Paid by Medicare | $251,822 |
Part D prescriptions in 2024
| Prescriptions (claims) | 459 · 488 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $4,689 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Sports Medicine |
| Secondary specialties | Family Practice |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Wayne General HospitalWaynesboro, MS · 47 clinicians
Hospital affiliations
- Forrest General HospitalHattiesburg, MS
- Wayne General HospitalWaynesboro, MS
Industry payments (Open Payments)
- 2025$210.76 · 7 payments from 3 companies
- 2024$106.21 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $97.07 | 3 |
| Bioventus LLC | $67.57 | 2 |
| Kerecis Limited | $46.12 | 2 |
What the 2025 payments were for
- Food and Beverage$210.76 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine, Sports Medicine providers in Hattiesburg
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All Family Medicine, Sports Medicine providers in Mississippi