Melissa A. Gillen, DO
NPI 1700231578ActiveIndividual· Internal Medicine· Midlothian, VA
Internal Medicine (DO) with Duke University Affiliated Physicians, Inc., practicing in Midlothian, Virginia. Their prescriptions cost Medicare Part D more than their services did: $450,609 for 5,966 claims, against $100,116 paid for services in 2024. Lists Duke University Hospital as a hospital affiliation.
Overview
| NPI | 1700231578 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 29, 2016 |
| Last updated in NPPES | Dec 9, 2025 |
| Certified by provider | Dec 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2020-02437 | NC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 301 |
|---|---|
| Services billed | 1,842 across 56 procedure codes |
| Paid by Medicare | $100,116 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,966 · 14,415 30-day fills |
|---|---|
| Patients | 631 |
| Total drug cost | $450,609 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Duke University Affiliated Physicians, Inc.Cary, NC · 458 clinicians
Hospital affiliation
- Duke University HospitalDurham, NC
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Midlothian
- 1023205515
- 1063474690
- 1093920449
- 1205413218
- 1225053697
- 1578588976
- 1629059043
- 1669747903
- 1821188467
- 1831307560
- 1841238045
- 1912936154
All 36 internal medicine physicians in Midlothian · All internal medicine physicians in Virginia