Song C. Chon, M.D, FCCP
NPI 1821069204ActiveIndividual· Internal Medicine, Pulmonary Disease· White Plains, MD
Internal Medicine, Pulmonary Disease (M.D, FCCP) with Lung and Sleep Institute LLC, practicing in White Plains, Maryland. Their prescriptions cost Medicare Part D more than their services did: $1,736,582 for 2,018 claims, against $338,534 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $4,911 in all, mostly food and beverage. Lists Inova Fairfax Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1821069204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D, FCCP |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Sep 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | D0037174 | MD |
| Internal Medicine, Pulmonary Disease | 207RP1001X | D37174 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (DC); Practitioner - Pulmonary Disease (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 898 |
|---|---|
| Services billed | 5,537 across 38 procedure codes |
| Paid by Medicare | $338,534 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,018 · 3,176 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $1,736,582 |
| Generic share | 33% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Lung and Sleep Institute LLCWhite Plains, MD · 2 clinicians
Hospital affiliations
- Inova Fairfax HospitalFalls Church, VA
- University of MD Charles Regional Medical CenterLa Plata, MD
Industry payments (Open Payments)
- 2025$4,911 · 230 payments from 20 companies
- 2024$4,586 · 209 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,074 | 58 |
| Glaxosmithkline, LLC. | $724.72 | 36 |
| Genzyme Corporation | $324.04 | 13 |
| Harmony Biosciences LLC | $284.62 | 10 |
| Grifols USA, LLC | $251.73 | 9 |
What the 2025 payments were for
- Food and Beverage$4,721 · 228 payments
- Education$190.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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