Ann D. Layton, MD
NPI 1700879970ActiveIndividual· Internal Medicine· Jacksonville, AR
Internal Medicine (MD) in Jacksonville, Arkansas, trained at University of Arkansas College of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,306,215 for 11,708 claims, against $172,083 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $109.98 in all, mostly food and beverage.
Overview
| NPI | 1700879970 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Dec 16, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | E2859 | AR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 417 |
|---|---|
| Services billed | 9,276 across 89 procedure codes |
| Paid by Medicare | $172,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,708 · 23,743 30-day fills |
|---|---|
| Patients | 482 |
| Total drug cost | $1,306,215 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
Medical group
- St Vincent Medical GroupLittle Rock, AR · 240 clinicians
Hospital affiliations
- Baptist Health Medical Center North Little RockNorth Little Rock, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Chi St. Vincent Hospital Hot SpringsHot Springs, AR
- St Vincent Medical Center/NorthSherwood, AR
- Unity Health - JacksonvilleJacksonville, AR
Other facilities
- Baptist Health Home Health-LrHome health agency · Little Rock, AR
- Commonspirit HealthHome health agency · Little Rock, AR
- Elite Home HealthHome health agency · Little Rock, AR
- Trinity Home Health of ArkansasHome health agency · Hot Springs, AR
- Uams Health-Home HealthHome health agency · Searcy, AR
Industry payments (Open Payments)
- 2025$109.98 · 5 payments from 3 companies
- 2024$144.11 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $37.31 | 2 |
| Insulet Corporation | $36.82 | 1 |
| Astrazeneca Pharmaceuticals LP | $35.85 | 2 |
What the 2025 payments were for
- Food and Beverage$109.98 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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