Melissa Ann Hallum, APRN-CNP
NPI 1760924153ActiveIndividual· Nurse Practitioner, Family· Tishomingo, OK
Nurse Practitioner, Family (APRN-CNP) with Mercy Clinic Oklahoma Communities, practicing in Tishomingo, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $162,229 for 2,034 claims, against $45,298 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 9 companies reporting payments in 2025, $344.25 in all, mostly food and beverage. Lists Mercy Hospital Ardmore, Inc as a hospital affiliation.
Overview
| NPI | 1760924153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN-CNP |
| Sole proprietor | No |
| NPI issued | Nov 16, 2016 |
| Last updated in NPPES | Feb 26, 2025 |
| Certified by provider | Feb 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R0092696 | OK |
| Nurse Practitioner, Family | 363LF0000X | 1068494 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (OK); Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 306 |
|---|---|
| Services billed | 790 across 44 procedure codes |
| Paid by Medicare | $45,298 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,034 · 3,625 30-day fills |
|---|---|
| Patients | 499 |
| Total drug cost | $162,229 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliation
- Mercy Hospital Ardmore, IncArdmore, OK
Other facilities
- Elara Caring XxiiiHome health agency · Ada, OK
- Ideal Home Care, L.P.Home health agency · Ardmore, OK
Industry payments (Open Payments)
- 2025$344.25 · 21 payments from 9 companies
- 2024$1,089 · 46 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $63.39 | 3 |
| Lilly USA, LLC | $63.25 | 4 |
| Astrazeneca Pharmaceuticals LP | $48.47 | 3 |
| Novo Nordisk Inc | $40.42 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $31.60 | 2 |
What the 2025 payments were for
- Food and Beverage$344.25 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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