Lily Gem Hwang, MD
NPI 1669648986ActiveIndividual· Allergy & Immunology· Roswell, GA
Allergy & Immunology (MD) with Atlanta Allergy and Asthma Clinic PA, practicing in Roswell, Georgia. Their prescriptions cost Medicare Part D more than their services did: $895,029 for 1,745 claims, against $441,951 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 19 companies reporting payments in 2025, $13,115 in all, mostly consulting fees. Lists Northside Hospital Gwinnett as a hospital affiliation.
Overview
| NPI | 1669648986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 6, 2008 |
| Last updated in NPPES | Oct 26, 2023 |
| Certified by provider | Oct 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 062713 | GA |
| Internal Medicine | 207R00000X | 062713 | GA |
| Pediatrics | 208000000X | 062713 | 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 - Allergy/Immunology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 20,547 across 25 procedure codes |
| Paid by Medicare | $441,951 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,745 · 2,387 30-day fills |
|---|---|
| Patients | 771 |
| Total drug cost | $895,029 |
| Generic share | 37% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Atlanta Allergy and Asthma Clinic PAAtlanta, GA · 37 clinicians
Hospital affiliation
- Northside Hospital GwinnettLawrenceville, GA
Industry payments (Open Payments)
- 2025$13,115 · 122 payments from 19 companies
- 2024$25,983 · 109 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $6,347 | 24 |
| Astrazeneca Pharmaceuticals LP | $5,185 | 30 |
| Genzyme Corporation | $281.18 | 14 |
| Glaxosmithkline, LLC. | $243.63 | 13 |
| Amgen Inc. | $232.24 | 11 |
What the 2025 payments were for
- Consulting Fee$5,125 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,675 · 6 payments
- Food and Beverage$2,644 · 112 payments
- Travel and Lodging$575.92 · 2 payments
- Education$94.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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