Barbara Lynn Kallenbach-Watson, CNP
NPI 1548281801ActiveIndividual· Nurse Practitioner, Adult Health· Dallas, TX
Nurse Practitioner, Adult Health (CNP) in Dallas, Texas, trained at Wayne State University School of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $455,813 for 6,845 claims, against $107,881 paid for services in 2024. Novo Nordisk Inc was the largest of 16 companies reporting payments in 2025, $1,571 in all, mostly food and beverage.
Overview
| NPI | 1548281801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Jul 22, 2006 |
| Last updated in NPPES | Oct 18, 2021 |
| Certified by provider | Oct 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | AP115786 | TX |
| Nurse Practitioner, Adult Health | 363LA2200X | 738831 | TX |
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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 284 |
|---|---|
| Services billed | 2,589 across 48 procedure codes |
| Paid by Medicare | $107,881 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,845 · 17,526 30-day fills |
|---|---|
| Patients | 791 |
| Total drug cost | $455,813 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- MedhealthDallas, TX · 450 clinicians
- Green Oaks Physical Therapy Limited PartnershipCarrollton, TX · 242 clinicians
Hospital affiliations
- Methodist Charlton Medical CenterDallas, TX
- Methodist Dallas Medical CenterDallas, TX
Other facilities
- Home Care NetworkHome health agency · Palestine, TX
Industry payments (Open Payments)
- 2025$1,571 · 63 payments from 16 companies
- 2024$1,314 · 66 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $395.42 | 10 |
| Abbvie Inc. | $298.52 | 11 |
| Astrazeneca Pharmaceuticals LP | $148.37 | 5 |
| Pfizer Inc. | $136.01 | 7 |
| Lilly USA, LLC | $118.87 | 7 |
What the 2025 payments were for
- Food and Beverage$1,571 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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