Ercilia E. Arias, M.D.
NPI 1720032675ActiveIndividual· Internal Medicine, Pulmonary Disease· Lewes, DE
Internal Medicine, Pulmonary Disease (M.D.) with Beebe Physician Network Inc. and 1 other group, practicing in Lewes, Delaware. Their prescriptions cost Medicare Part D more than their services did: $2,824,583 for 2,810 claims, against $242,492 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $2,129 in all, mostly food and beverage. Lists Bayhealth Hospital, Sussex Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1720032675 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Feb 5, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | C1-0005133 | DE |
| Internal Medicine, Critical Care Medicine | 207RC0200X | C1-0005133 | DE |
| Internal Medicine | 207R00000X | C1-0005133 | DE |
| Internal Medicine, Sleep Medicine | 207RS0012X | C1-0005133 | DE |
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 - Pulmonary Disease (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 954 |
|---|---|
| Services billed | 1,910 across 49 procedure codes |
| Paid by Medicare | $242,492 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,810 · 4,884 30-day fills |
|---|---|
| Patients | 457 |
| Total drug cost | $2,824,583 |
| Generic share | 41% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Sleep Medicine |
Medical groups
- Beebe Physician Network Inc.Rehoboth Beach, DE · 310 clinicians
- Delaware Sleep Disorder Centers, LLCRehoboth Beach, DE · 12 clinicians
Hospital affiliations
- Bayhealth Hospital, Sussex CampusMilford, DE
- Beebe Medical CenterLewes, DE
Industry payments (Open Payments)
- 2025$2,129 · 58 payments from 18 companies
- 2024$5,663 · 27 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $304.52 | 7 |
| United Therapeutics Corporation | $271.63 | 5 |
| Glaxosmithkline, LLC. | $204.79 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $152.82 | 2 |
| Merck Sharp & Dohme LLC | $149.39 | 2 |
What the 2025 payments were for
- Food and Beverage$2,029 · 57 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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