Gerald Chai, DO
Physical Medicine & Rehabilitation · Lawrenceville, GANPI 1952508665
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $12,758 of the $16,494 with a category attached, or 77.3%. 33 manufacturers reported payments, led by Boston Scientific at 25.6% of the total. Reporting peaked in 2019 at $5,723 and has fallen 88.4% since, to $661 in 2025. Among physical medicine & rehabilitation clinicians in GA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 555 payments — averaging $29.72 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boston Scientific$4K
- Medtronic$3K
- Redhill Biopharma Inc.$2K
- Abbott$969
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$875
- Collegium Pharmaceutical, Inc.$685
- plus $5K from 27 others
What the payments were for
- Consulting fees$1,66010%
- Travel & lodging$1,95212%
- Food & beverage$12,75877%
- Education$1251%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Boston Scientific | 121 | $4,226 |
| Medtronic(2 entities) | 64 | $3,450 |
| Redhill Biopharma Inc. | 20 | $1,782 |
| Abbott | 36 | $969 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 57 | $875 |
| Collegium Pharmaceutical, Inc. | 54 | $685 |
| Curonix LLC | 10 | $616 |
| Scilex Pharmaceuticals Inc. | 23 | $411 |
| Stryker | 4 | $409 |
| Amgen(2 entities) | 22 | $402 |
| Forte Bio-pharma LLC | 14 | $384 |
| Biodelivery Sciences International, Inc. | 18 | $323 |
| Painteq LLC | 3 | $299 |
| Protega Pharmaceutials Inc | 9 | $197 |
| Arbor Pharmaceuticals, Inc. | 15 | $184 |
| Zyla Life Sciences, Inc. | 18 | $152 |
| Pacira Therapeutics, Inc. | 4 | $141 |
| SPR Therapeutics, Inc | 2 | $133 |
| Almatica Pharma LLC | 19 | $115 |
| International Rehabilitative Sciences, Inc | 2 | $109 |
| Nevro Corp. | 4 | $89 |
| Foundation Fusion Solutions, LLC | 8 | $85 |
| Pfizer | 4 | $75 |
| Assertio Therapeutics, Inc. | 4 | $69 |
| Nalu Medical, Inc. | 4 | $58 |
| Sentynl Therapeutics, Inc. | 4 | $56 |
| Tenex Health Inc. | 2 | $50 |
| MDD US Operations, LLC | 3 | $36 |
| AstraZeneca | 2 | $30 |
| Valinor Pharma, LLC | 2 | $29 |
| Vertos Medical, Inc. | 1 | $27 |
| Pacira Pharmaceuticals Incorporated | 1 | $16 |
| IBSA Pharma Inc. | 1 | $13 |
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.
- MOVANTIK$1,660
- SPECTRA WAVEWRITER$1,441
- INTELLIS$921
- INTELLIS ADAPTIVESTIM$768
- VECTRIS$383
- PNS FREEDOM-4A PERMANENT NEUROSTIMULATOR RECEIVER KIT CHANNEL A$375
- GENERAL PAIN MANAGEMENT$333
- mild Device Kit$296
- PAINTEQ$278
- Proclaim Family of SCS IPGs$241
- RELISTOR$221
- Prolate$154
- Nalocet$154
- WaveWriter Alpha Prime 16$153
- EVENITY$150
- Accurian$138
- KRYSTEXXA$125
- BELBUCA$123
- Symproic$123
- SPRINT PNS System$111
How this compares
$16,494 in reported general payments places this provider in the 95th percentile of 214 physical medicine & rehabilitation providers in Georgia.
See all physical medicine & rehabilitation providers in Georgia →
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 |
|---|---|---|
| BelbucaBuprenorphine Hcl | 92 | $61,513 |
| RelistorMethylnaltrexone Bromide | 22 | $53,589 |
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 1,764 | $46,752 |
| Xtampza ErOxycodone Myristate | 68 | $40,112 |
| Buprenorphine | 115 | $35,551 |
| Oxycodone Hcl | 1,067 | $23,080 |
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 1,099 | $22,749 |
| MovantikNaloxegol Oxalate | 25 | $9,715 |
| OxycontinOxycodone Hcl | 14 | $6,547 |
| ZtlidoLidocaine | 15 | $5,791 |
| Tramadol Hcl ErTramadol Hcl | 105 | $5,724 |
| Lidocaine | 54 | $4,073 |
| Pregabalin | 299 | $3,700 |
| Gabapentin | 283 | $2,950 |
| Morphine Sulfate ErMorphine Sulfate | 110 | $2,143 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| Collegium Pharmaceutical, Inc.Belbuca, Xtampza Er | $685 | $101,625160 claims |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLCRelistor | $875 | $53,58922 claims |
| Redhill Biopharma Inc.Movantik | $1,782 | $9,71525 claims |
| Scilex Pharmaceuticals Inc.Ztlido | $411 | $5,79115 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 95th percentile of 214 physical medicine & rehabilitation providers in Georgia.
Other physical medicine & rehabilitation in Lawrenceville
- Ryan LiretteLawrenceville$6K
- Erik ShawAtlanta$175K
- David TranAlpharetta$96K
- Payal FadiaDecatur$66K
- John MusserStockbridge$57K
- Abana AzariahAtlanta$22K
- Michael SchaufeleAtlanta$20K
- Gerald BilskyAtlanta$16K
- Aiwane IboayaColumbus$16K
- Joseph HegartyBaxley$12K
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.