Christopher Chan, DO
NPI 1972998730ActiveIndividual· Internal Medicine, Pulmonary Disease· Acworth, GA
Internal Medicine, Pulmonary Disease (DO) in Acworth, Georgia, trained at Lake Erie Col of Osteo Med at Seton Hill Univ (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $581,340 for 1,198 claims, against $79,888 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 16 companies reporting payments in 2025, $46,464 in all, mostly speaking and faculty fees.
Overview
| NPI | 1972998730 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 30, 2015 |
| Last updated in NPPES | Sep 9, 2021 |
| Certified by provider | Jul 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 88978 | GA |
| Internal Medicine | 207R00000X | 04315 | KY |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 88978 | GA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (GA); Practitioner - Internal Medicine (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 305 |
|---|---|
| Services billed | 1,036 across 46 procedure codes |
| Paid by Medicare | $79,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,198 · 1,677 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $581,340 |
| Generic share | 42% of claims |
Education and affiliations
| Medical school | Lake Erie Col of Osteo Med at Seton Hill Univ |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar Paulding Medical CenterHiram, GA
Other facilities
- Wellstar Windy Hill HospitalLong-term care hospital · Marietta, GA
Industry payments (Open Payments)
- 2025$46,464 · 117 payments from 16 companies
- 2024$1,371 · 44 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $34,339 | 52 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $7,292 | 17 |
| Genzyme Corporation | $4,012 | 10 |
| Glaxosmithkline, LLC. | $173.73 | 10 |
| Regeneron Healthcare Solutions, Inc. | $169.16 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$34,218 · 17 payments
- Consulting Fee$6,404 · 3 payments
- Food and Beverage$3,507 · 79 payments
- Travel and Lodging$2,300 · 17 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Acworth
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