Dandan Chen, M.D.
NPI 1477973808ActiveIndividual· Internal Medicine, Cardiovascular Disease· McDonough, GA
Internal Medicine, Cardiovascular Disease (M.D.) with Atlanta Heart Associates PC, practicing in McDonough, Georgia. Their prescriptions cost Medicare Part D more than their services did: $478,145 for 3,760 claims, against $184,847 paid for services in 2024. Pfizer Inc. was the largest of 11 companies reporting payments in 2025, $870.86 in all, mostly food and beverage. Lists Piedmont Henry Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1477973808 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2014 |
| Last updated in NPPES | May 21, 2024 |
| Certified by provider | Oct 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 78270 | GA |
| Internal Medicine | 207R00000X | 78270 | GA |
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 - Cardiovascular Disease (Cardiology) (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 716 |
|---|---|
| Services billed | 2,407 across 47 procedure codes |
| Paid by Medicare | $184,847 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,760 · 8,046 30-day fills |
|---|---|
| Patients | 522 |
| Total drug cost | $478,145 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Atlanta Heart Associates PCMcDonough, GA · 19 clinicians
Hospital affiliations
- Piedmont Henry HospitalStockbridge, GA
- Piedmont Hospital, IncAtlanta, GA
- Southern Regional Medical CenterRiverdale, GA
Industry payments (Open Payments)
- 2025$870.86 · 48 payments from 11 companies
- 2024$1,491 · 42 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $309.14 | 18 |
| Actelion Pharmaceuticals US, Inc. | $131.16 | 7 |
| Merck Sharp & Dohme LLC | $119.63 | 6 |
| Bridgebio Pharma, Inc. | $72.53 | 4 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $55.65 | 3 |
What the 2025 payments were for
- Food and Beverage$870.86 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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