Lisa Marie Armstrong, APRN-CNP
NPI 1326548660ActiveIndividual· Nurse Practitioner, Acute Care· Tulsa, OK
Nurse Practitioner, Acute Care (APRN-CNP) with Warren Clinic Inc, practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $733,484 for 3,648 claims, against $74,188 paid for services in 2024. Abbott Laboratories was the largest of 22 companies reporting payments in 2025, $5,853 in all, mostly food and beverage. Lists Saint Francis Hospital Muskogee and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1326548660 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN-CNP |
| Sole proprietor | No |
| NPI issued | Feb 13, 2018 |
| Last updated in NPPES | Oct 30, 2023 |
| Certified by provider | Oct 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | RO85874 | OK |
| Nurse Practitioner, Family | 363LF0000X | 85874 | OK |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 284 |
|---|---|
| Services billed | 1,647 across 17 procedure codes |
| Paid by Medicare | $74,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,648 · 6,897 30-day fills |
|---|---|
| Patients | 465 |
| Total drug cost | $733,484 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Warren Clinic IncTulsa, OK · 883 clinicians
Hospital affiliations
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$5,853 · 132 payments from 22 companies
- 2024$3,741 · 140 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,567 | 23 |
| Impulse Dynamics (USA) Inc. | $1,131 | 7 |
| Cvrx, Inc. | $730.14 | 7 |
| Alnylam Pharmaceuticals Inc. | $428.43 | 9 |
| E.R. Squibb & Sons, L.L.C. | $318.10 | 6 |
What the 2025 payments were for
- Food and Beverage$4,022 · 124 payments
- Travel and Lodging$1,831 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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