Joshua N. Aaron, MD
NPI 1396703351ActiveIndividual· Internal Medicine, Pulmonary Disease· Elkton, MD
Internal Medicine, Pulmonary Disease (MD) in Elkton, Maryland, trained at University of Connecticut School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $3,136,067 for 5,248 claims, against $413,645 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 24 companies reporting payments in 2025, $2,953 in all, mostly food and beverage.
Overview
| NPI | 1396703351 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Jun 24, 2022 |
| Certified by provider | Mar 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | D0047471 | MD |
| Internal Medicine | 207R00000X | D47471 | MD |
| Internal Medicine, Critical Care Medicine | 207RC0200X | D47471 | MD |
| Internal Medicine, Pulmonary Disease | 207RP1001X | C10005464 | DE |
| Internal Medicine, Sleep Medicine | 207RS0012X | D47471 | MD |
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 - Pulmonary Disease (DE); Practitioner - Pulmonary Disease (MD); Practitioner - Pulmonary Disease (MS); Practitioner - Pulmonary Disease (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,187 |
|---|---|
| Services billed | 5,345 across 25 procedure codes |
| Paid by Medicare | $413,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,248 · 8,143 30-day fills |
|---|---|
| Patients | 670 |
| Total drug cost | $3,136,067 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Christiana HospitalNewark, DE
- Umd Upper Chesapeake Medical CenterBel Air, MD
- Union Hospital of Cecil CountyElkton, MD
Industry payments (Open Payments)
- 2025$2,953 · 165 payments from 24 companies
- 2024$15,677 · 214 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $725.15 | 66 |
| Mallinckrodt Hospital Products Inc. | $329.99 | 10 |
| Axsome Therapeutics, Inc. | $266.29 | 12 |
| Jazz Pharmaceuticals Inc. | $258.34 | 8 |
| Verona Pharma, Inc. | $224.90 | 14 |
What the 2025 payments were for
- Food and Beverage$2,717 · 162 payments
- Education$235.88 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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