Mary Margaret Rivera
Family · Maricopa, AZNPI 1114348588
Payments from drug & device makers
Across 49 payments — averaging $17.59 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$119
- AstraZeneca$104
- ZOLL Services LLC (a/k/a ZOLL Lifecor Corp)$91
- Pfizer$56
- Bayer$48
- Cranial Technologies, Inc$47
- plus $398 from 19 others
What the payments were for
- Food & beverage$862100%
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 |
|---|---|---|
| Merck | 7 | $119 |
| AstraZeneca | 6 | $104 |
| ZOLL Services LLC (a/k/a ZOLL Lifecor Corp) | 5 | $91 |
| Pfizer | 3 | $56 |
| Bayer | 3 | $48 |
| Cranial Technologies, Inc | 3 | $47 |
| Kestra Medical Technology Services, Inc. | 2 | $47 |
| Boston Scientific | 2 | $35 |
| Acacia Pharma Inc | 2 | $33 |
| Kiniksa Pharmaceuticals International, PLC | 1 | $25 |
| Actelion Pharmaceuticals US, Inc. | 1 | $25 |
| Liquidia Technologies, Inc. | 1 | $25 |
| Photonicare Inc | 1 | $22 |
| Boehringer Ingelheim | 1 | $22 |
| Sanofi-aventis U.S. LLC | 1 | $19 |
| Novartis | 1 | $17 |
| Kowa Pharmaceuticals America, Inc. | 1 | $15 |
| Amarin Pharma, Inc. | 1 | $15 |
| Esperion Therapeutics, Inc. | 1 | $15 |
| Seqirus USA Inc | 1 | $15 |
| Sanofi Pasteur Inc. | 1 | $14 |
| Kiniksa Pharmaceuticals, Ltd. | 1 | $14 |
| Currax Pharmaceuticals LLC | 1 | $14 |
| GSK | 1 | $13 |
| Tactile Systems Technology Inc | 1 | $13 |
How this compares
$862 in reported general payments places this provider in the 65th percentile of 4,119 family providers in Arizona.
Other family in Maricopa
- Sharon MagalonaMesa$449K
- Angela GoldenMunds Park$378K
- Kimberly HallaPhoenix$332K
- Kaitlyn LouchheimScottsdale$208K
- Rebecca McCollaumMesa$149K
- Susan SarabiaSun City West$114K
- Lindsay CarterTucson$108K
- Audrey StevensonPhoenix$83K
- Keith MorsePrescott$83K
- Celeste FineGilbert$82K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.