Alfredo Lee Chang, MD
NPI 1689944407ActiveIndividual· Internal Medicine, Critical Care Medicine· Los Angeles, CA
Internal Medicine, Critical Care Medicine (MD) with Prestige Pulmonary Consultants Inc, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $1,235,404 for 3,634 claims, against $468,759 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 12 companies reporting payments in 2025, $1,544 in all, mostly food and beverage. Lists Alhambra Hospital Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1689944407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2012 |
| Last updated in NPPES | Apr 20, 2020 |
| Certified by provider | Apr 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | A142854 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | A142854 | CA |
| Internal Medicine | 207R00000X | 52549 | CT |
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 - Critical Care (Intensivists) (CA); Practitioner - Pulmonary Disease (CA); Practitioner - Critical Care (Intensivists) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,019 |
|---|---|
| Services billed | 4,355 across 37 procedure codes |
| Paid by Medicare | $468,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,634 · 4,299 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $1,235,404 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Prestige Pulmonary Consultants IncMonterey Park, CA · 11 clinicians
Hospital affiliations
- Alhambra Hospital Medical CenterAlhambra, CA
- Garfield Medical CenterMonterey Park, CA
- Monterey Park HospitalMonterey Park, CA
- San Gabriel Valley Medical CenterSan Gabriel, CA
- Usc Arcadia HospitalArcadia, CA
Industry payments (Open Payments)
- 2025$1,544 · 73 payments from 12 companies
- 2024$1,175 · 45 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $368.06 | 16 |
| Astrazeneca Pharmaceuticals LP | $280.32 | 13 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $158.12 | 17 |
| Merck Sharp & Dohme LLC | $143.95 | 2 |
| Verona Pharma, Inc. | $142.70 | 6 |
What the 2025 payments were for
- Food and Beverage$1,544 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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