Mary Chambers
Obstetrics & Gynecology · Denison, TXNPI 1790737674
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 99.5% of the total across 145 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 26 manufacturers reported payments, led by AbbVie at 28.7% of the total.
Across 145 payments — averaging $18.52 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$770
- Organon$326
- Astellas Pharma US Inc$305
- Mayne Pharma Commercial LLC$240
- Bayer$168
- Pfizer$133
- plus $744 from 20 others
What the payments were for
- Food & beverage$2,67299%
- Education$141%
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(2 entities) | 34 | $770 |
| Organon | 24 | $326 |
| Astellas Pharma US Inc | 13 | $305 |
| Mayne Pharma Commercial LLC | 10 | $240 |
| Bayer | 11 | $168 |
| Pfizer | 9 | $133 |
| Sage Therapeutics, LLC | 7 | $107 |
| Hologic Sales And Service, LLC | 4 | $88 |
| Agile Therapeutics, Inc. | 4 | $79 |
| Merck | 6 | $77 |
| Dexcom, Inc. | 3 | $51 |
| Coopersurgical, Inc. | 2 | $37 |
| Duchesnay USA Incorporated | 2 | $34 |
| Minerva Surgical, Inc | 1 | $33 |
| Sumitomo Pharma America, Inc. | 1 | $29 |
| Avion Pharmaceuticals | 2 | $29 |
| Therapeuticsmd, Inc. | 2 | $28 |
| Biogen | 1 | $26 |
| Evofem Biosciences, Inc. | 2 | $25 |
| Myovant Sciences Inc. | 1 | $21 |
| Intuitive Surgical | 1 | $17 |
| AMAG Pharmaceuticals, Inc. | 1 | $14 |
| Scynexis, Inc. | 1 | $12 |
| Radius Health, Inc. | 1 | $12 |
| Meditrina | 1 | $12 |
| Mission Pharmacal Company | 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
$2,686 in reported general payments places this provider in the 70th percentile of 3,099 obstetrics & gynecology providers in Texas.
Other obstetrics & gynecology in Denison
- 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.