Zack Therrell Buckalew III, M.D.
NPI 1205829199ActiveIndividual· Internal Medicine· Alexandria, LA
Internal Medicine (M.D.) in Alexandria, Louisiana, trained at Louisiana State University School of Medicine in Shreveport (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $735,182 for 11,312 claims, against $152,581 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $111.58 in all, mostly food and beverage.
Overview
| NPI | 1205829199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2005 |
| Last updated in NPPES | Sep 28, 2020 |
| Certified by provider | Sep 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 012656 | LA |
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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 342 |
|---|---|
| Services billed | 5,485 across 46 procedure codes |
| Paid by Medicare | $152,581 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,312 · 19,575 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $735,182 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Freedman Clinic of Internal Medicine LLPAlexandria, LA · 16 clinicians
- Fcim Extended Services LLPAlexandria, LA · 6 clinicians
Hospital affiliations
- Avoyelles HospitalMarksville, LA
- Christus Central Louisiana Surgical HospitalAlexandria, LA
- Christus St Frances Cabrini HospitalAlexandria, LA
- Rapides Regional Medical CenterAlexandria, LA
- Willis Knighton Medical CenterShreveport, LA
Other facilities
- Elara CaringHome health agency · Marksville, LA
- Elara CaringHome health agency · Alexandria, LA
- Lagniappe Homecare AlexandriaHome health agency · Alexandria, LA
- Louisiana Homecare of AlexandriaHome health agency · Alexandria, LA
- Stat Home Health-CentralHome health agency · Alexandria, LA
- Lexington HouseNursing home · Alexandria, LA
- The Oaks Care CenterNursing home · Pineville, LA
Industry payments (Open Payments)
- 2025$111.58 · 6 payments from 5 companies
- 2024$72.55 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $42.46 | 2 |
| Sumitomo Pharma America, Inc. | $24.49 | 1 |
| Ardelyx, Inc. | $16.39 | 1 |
| Exact Sciences Corporation | $14.63 | 1 |
| Sanofi Pasteur Inc. | $13.61 | 1 |
What the 2025 payments were for
- Food and Beverage$111.58 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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