Kristi Deanne Duffield, PA-C
NPI 1871700815ActiveIndividual· Physician Assistant· Jackson, TN
Physician Assistant (PA-C) with Total Extended Care Services PC and 1 other group, practicing in Jackson, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $138,579 for 3,527 claims, against $27,492 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $1,343 in all, mostly food and beverage.
Overview
| NPI | 1871700815 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Jun 10, 2026 |
| Certified by provider | Jun 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | TN 0425 | TN |
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 - Physician Assistant (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 532 across 16 procedure codes |
| Paid by Medicare | $27,492 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,527 · 3,625 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $138,579 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Total Extended Care Services PCLivonia, MI · 33 clinicians
- Isaac Spine Joint and Pain InstituteNashville, TN · 8 clinicians
Industry payments (Open Payments)
- 2025$1,343 · 48 payments from 8 companies
- 2024$947.05 · 40 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $656.43 | 22 |
| Pfizer Inc. | $193.59 | 10 |
| Vertex Pharmaceuticals Incorporated | $175.61 | 3 |
| Lundbeck LLC | $141.69 | 5 |
| Protega Pharmaceutials Inc | $63.22 | 3 |
What the 2025 payments were for
- Food and Beverage$1,343 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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