Dianna Lynn Phares, PHD, DNP, APRN-BC
NPI 1922335769ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Weldon Spring, MO
Nurse Practitioner, Psych/Mental Health (PHD, DNP, APRN-BC) in Weldon Spring, Missouri, trained at University of Tennessee, Hsc, College of Medicine (class of 2008). Part D covered 7,463 prescriptions written in 2024, 87% of them generic. E.R. Squibb & Sons, L.L.C. was the largest of 11 companies reporting payments in 2025, $2,099 in all, mostly food and beverage.
Overview
| NPI | 1922335769 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHD, DNP, APRN-BC |
| Sole proprietor | Yes |
| NPI issued | Nov 16, 2009 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 137634 | MO |
| Nurse Practitioner, Family | 363LF0000X | 137634 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 7,463 · 8,550 30-day fills |
|---|---|
| Patients | 302 |
| Total drug cost | $1,861,923 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Preferred Family Healthcare IncBartlesville, OK · 34 clinicians
Industry payments (Open Payments)
- 2025$2,099 · 27 payments from 11 companies
- 2024$1,773 · 26 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $384.09 | 4 |
| Abbvie Inc. | $361.22 | 8 |
| Vanda Pharmaceuticals Inc. | $250.00 | 2 |
| Teva Pharmaceuticals USA, Inc. | $246.16 | 2 |
| Alkermes, Inc. | $238.36 | 2 |
What the 2025 payments were for
- Food and Beverage$2,099 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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