Elma Chang, MD
Glaucoma Specialist · Atlanta, GANPI 1972754190
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $6,250 of the $9,424 with a category attached, or 66.3%. AbbVie accounts for 95.6% of it on its own, with 8 other manufacturers making up the rest. Reporting peaked in 2019 at $9,348 and has fallen 99.8% since, to $18 in 2021.
Across 55 payments — averaging $171.34 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$9K
- Aerie Pharmaceuticals, Inc.$182
- Bausch & Lomb, A Division Of Bausch Health US, LLC$112
- Stryker$26
- Novartis$24
- Omeros Corporation$19
- plus $47 from 3 others
What the payments were for
- Consulting fees$6,25066%
- Travel & lodging$1,83519%
- Food & beverage$1,33914%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| AbbVie | 42 | $9,012 |
| Aerie Pharmaceuticals, Inc. | 6 | $182 |
| Bausch & Lomb, A Division Of Bausch Health US, LLC | 1 | $112 |
| Stryker | 1 | $26 |
| Novartis | 1 | $24 |
| Omeros Corporation | 1 | $19 |
| Shire North American Group Inc | 1 | $19 |
| Glaukos Corporation | 1 | $17 |
| Ivantis, Inc | 1 | $11 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
Too few glaucoma specialist providers in Georgiato place this figure against a meaningful peer group, so we don't.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Travoprost | 22 | $3,778 |
| Prednisolone Acetate | 57 | $2,335 |
| Latanoprost | 240 | $1,965 |
| Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat | 65 | $1,168 |
| Brimonidine Tartrate | 78 | $672 |
| Dorzolamide Hcl | 20 | $503 |
| Levobunolol Hcl | 24 | $422 |
| Atropine Sulfate | 12 | $395 |
| Timolol Maleate | 21 | $291 |
| MoxifloxacinMoxifloxacin Hcl | 11 | $263 |
| ErythromycinErythromycin Base | 13 | $132 |
Paid to pharmacies, not to this prescriber.
Other glaucoma specialist in Atlanta
- Arkadiy YadgarovAtlanta$672K
- Reay BrownAtlanta$29K
- Jean ParkAtlanta$4K
- Derrick PauAtlanta$3K
- Matthew FabrizioAtlanta$2K
- Morohunranti Oguntoye-OumaAtlanta$500
- Ronak PatelDecatur$7K
- David KimSavannah$4K
- Niraj NathanBuford$2K
- Edward WashingtonNorcross$2K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.