Lonnie M. Hammonds Jr., M.D.
NPI 1356464838ActiveIndividual· Dermatology· Mountain Home, AR
Dermatology (M.D.) in Mountain Home, Arkansas, trained at University of Texas Medical School at Houston (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,448,042 for 2,483 claims, against $576,692 paid for services in 2024. Genzyme Corporation was the largest of 10 companies reporting payments in 2025, $539.35 in all, mostly food and beverage.
Overview
| NPI | 1356464838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 9, 2007 |
| Last updated in NPPES | Aug 24, 2022 |
| Certified by provider | Aug 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | E-9180 | AR |
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 - Dermatology (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,073 |
|---|---|
| Services billed | 9,329 across 82 procedure codes |
| Paid by Medicare | $576,692 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,483 · 3,053 30-day fills |
|---|---|
| Patients | 903 |
| Total drug cost | $1,448,042 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Dermatology |
Medical group
- Mark S King, MD, PAMountain Home, AR · 4 clinicians
Hospital affiliation
- Baxter HealthMountain Home, AR
Industry payments (Open Payments)
- 2025$539.35 · 25 payments from 10 companies
- 2024$432.77 · 20 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $96.54 | 4 |
| Ucb, Inc. | $89.24 | 4 |
| Lilly USA, LLC | $79.86 | 4 |
| Amgen Inc. | $62.99 | 3 |
| Abbvie Inc. | $58.59 | 3 |
What the 2025 payments were for
- Food and Beverage$539.35 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Mountain Home
- 1619107398
- 1891882072