Marlene Diaz, MD
Gynecology · Plano, TXNPI 1427166644
Payments from drug & device makers
Across 37 payments — averaging $17.16 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Astellas Pharma US Inc$138
- Millicent US Inc$80
- Hologic Sales And Service, LLC$69
- AbbVie$51
- Pfizer$45
- Mayne Pharma Commercial LLC$40
- plus $212 from 12 others
What the payments were for
- Food & beverage$62298%
- Education$132%
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 |
|---|---|---|
| Astellas Pharma US Inc | 8 | $138 |
| Millicent US Inc | 5 | $80 |
| Hologic Sales And Service, LLC | 3 | $69 |
| AbbVie(2 entities) | 3 | $51 |
| Pfizer | 2 | $45 |
| Mayne Pharma Commercial LLC | 2 | $40 |
| Exeltis, USA Inc. | 2 | $29 |
| Avion Pharmaceuticals | 2 | $24 |
| Novo Nordisk | 1 | $23 |
| Pacira Pharmaceuticals Incorporated | 1 | $18 |
| Ascend Therapeutics US, LLC | 1 | $18 |
| Aspira Women's Health Inc | 1 | $16 |
| Organon | 1 | $16 |
| Acella Pharmaceuticals, LLC | 1 | $15 |
| Exact Sciences | 1 | $15 |
| Agile Therapeutics, Inc. | 1 | $14 |
| Supernus Pharmaceuticals, Inc. | 1 | $12 |
| BD | 1 | $11 |
How this compares
$635 in reported general payments places this provider in the 50th percentile of 161 gynecology providers in Texas.
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 |
|---|---|---|
| ProgesteroneProgesterone, Micronized | 97 | $4,227 |
| Estradiol (Twice Weekly)Estradiol | 29 | $3,036 |
| Estradiol | 115 | $2,462 |
| Vivelle-DotEstradiol | 12 | $1,843 |
| Estradiol (Once Weekly)Estradiol | 15 | $1,778 |
| Liothyronine Sodium | 15 | $780 |
| Spironolactone | 46 | $443 |
| ValacyclovirValacyclovir Hcl | 13 | $270 |
| Levothyroxine Sodium | 23 | $261 |
Paid to pharmacies, not to this prescriber.
Other gynecology in Plano
- Aungel EvansPlano$10K
- John WhitfieldFort Worth$2.4M
- Alfred PoindexterHouston$1.6M
- Richard FarnamEl Paso$1.2M
- Jessica ShepherdDallas$809K
- Charles EubankCorpus Christi$741K
- Linda LacyEl Paso$627K
- Christina SalazarAustin$233K
- Harold DailyHouston$142K
- Adanna UkazuHouston$68K
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.