Allan Chang
Obstetrics & Gynecology · Mesquite, TXNPI 1134656267
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 75 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. It is spread thinly across 26 manufacturers, the largest accounting for just 16.7% — the pattern of someone who eats at a lot of different presentations.
Across 75 payments — averaging $21.41 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$269
- Organon$241
- Mayne Pharma Commercial LLC$162
- Sage Therapeutics, LLC$99
- Femselect Inc.$97
- Shield Therapeutics Inc$90
- plus $648 from 20 others
What the payments were for
- Food & beverage$1,605100%
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 |
|---|---|---|
| AbbVie | 16 | $269 |
| Organon | 12 | $241 |
| Mayne Pharma Commercial LLC | 6 | $162 |
| Sage Therapeutics, LLC | 5 | $99 |
| Femselect Inc. | 1 | $97 |
| Shield Therapeutics Inc | 2 | $90 |
| Bayer | 3 | $79 |
| Pfizer | 3 | $61 |
| Exeltis, USA Inc. | 3 | $53 |
| Coopersurgical, Inc. | 2 | $50 |
| Mylan Pharmaceuticals Inc. | 2 | $42 |
| Biotissue Holdings Inc. | 1 | $41 |
| Aspira Women's Health Inc | 2 | $36 |
| Avion Pharmaceuticals | 2 | $34 |
| Astellas Pharma US Inc | 2 | $32 |
| Minerva Surgical, Inc | 2 | $31 |
| Medtronic | 1 | $27 |
| Hologic Sales And Service, LLC | 1 | $25 |
| Amgen | 1 | $20 |
| Baxter Healthcare | 1 | $20 |
| Boston Scientific | 1 | $19 |
| Smith+Nephew | 1 | $17 |
| Dexcom, Inc. | 1 | $16 |
| Agile Therapeutics, Inc. | 1 | $15 |
| Evofem Biosciences, Inc. | 1 | $15 |
| Mission Pharmacal Company | 2 | $14 |
How this compares
$1,605 in reported general payments places this provider in the 60th percentile of 3,099 obstetrics & gynecology providers in Texas.
Other obstetrics & gynecology in Mesquite
- Devin GarzaAustin$2M
- Shawn TassoneAustin$1.3M
- Dale StovallDallas$590K
- Karyn-Anne CumberbatchMissouri City$452K
- Robert AsgharianEl Paso$366K
- Catherine HansenWebster$357K
- Lisa JukesBee Cave$270K
- Susan CrockettLive Oak$269K
- Henry Garza IiiSan Antonio$258K
- Rene LunaMcAllen$257K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.