Katherine McLean Ferren, M.D.
NPI 1326305590ActiveIndividual· Internal Medicine, Infectious Disease· Little Rock, AR
Internal Medicine, Infectious Disease (M.D.) in Little Rock, Arkansas, trained at University of Arkansas College of Medicine (class of 2012). In 2024 Medicare paid $152,623 for 288 patients, and Part D covered 369 of their prescriptions, 87% of them generic. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $210.79 in all, mostly food and beverage.
Overview
| NPI | 1326305590 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 12, 2012 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | E8998 | 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 - Infectious Disease (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 1,765 across 8 procedure codes |
| Paid by Medicare | $152,623 |
Part D prescriptions in 2024
| Prescriptions (claims) | 369 · 373 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $173,321 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Infectious Disease |
Medical group
- Infectious Disease Resource Group LLPLittle Rock, AR · 7 clinicians
Hospital affiliations
- Arkansas Heart Hospital, LLCLittle Rock, AR
- Arkansas Surgical HospitalNo Little Rock, AR
- Baptist Health Medical Center North Little RockNorth Little Rock, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Chi-St Vincent InfirmaryLittle Rock, AR
Industry payments (Open Payments)
- 2025$210.79 · 13 payments from 5 companies
- 2024$457.47 · 21 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $140.96 | 9 |
| Viiv Healthcare Company | $21.23 | 1 |
| Paratek Pharmaceuticals, Inc. | $17.05 | 1 |
| Cumberland Pharmaceuticals, Inc. | $16.72 | 1 |
| Merck Sharp & Dohme LLC | $14.83 | 1 |
What the 2025 payments were for
- Food and Beverage$210.79 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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