Marie Angelica Diaz, MD
Endocrinology, Diabetes & Metabolism · Sioux Falls, SDNPI 1588072532
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 66 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 23 manufacturers, the largest accounting for just 14.2% — the pattern of someone who eats at a lot of different presentations. 2025 is the largest year on record at $790, more than ten times the $35 reported in 2019.
Across 66 payments — averaging $22.83 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novo Nordisk$214
- Amgen$197
- Medtronic$126
- Ferring Pharmaceuticals Inc.$124
- Neurocrine Biosciences, Inc.$80
- Amphastar Pharmaceuticals, Inc.$79
- plus $687 from 17 others
What the payments were for
- Food & beverage$1,507100%
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 |
|---|---|---|
| Novo Nordisk | 6 | $214 |
| Amgen | 11 | $197 |
| Medtronic(2 entities) | 7 | $126 |
| Ferring Pharmaceuticals Inc. | 1 | $124 |
| Neurocrine Biosciences, Inc. | 4 | $80 |
| Amphastar Pharmaceuticals, Inc. | 1 | $79 |
| Pfizer | 4 | $74 |
| Chiesi USA, Inc. | 3 | $73 |
| Novartis | 3 | $69 |
| Lilly USA, LLC | 3 | $58 |
| Boehringer Ingelheim | 3 | $52 |
| Dexcom, Inc. | 3 | $51 |
| Sanofi-aventis U.S. LLC | 3 | $48 |
| Recordati_rare_diseases_inc. | 2 | $38 |
| Kyowa Kirin, Inc. | 2 | $37 |
| Tandem Diabetes Care, Inc. | 2 | $31 |
| Ascendis Pharma Endocrinology Inc | 2 | $31 |
| Radius Health, Inc. | 1 | $25 |
| Xeris Pharmaceuticals, Inc. | 1 | $25 |
| Fresenius Kabi USA, LLC | 1 | $23 |
| Corcept Therapeutics | 1 | $19 |
| Soleno Therapeutics, Inc. | 1 | $16 |
| BETA Bionics, Inc. | 1 | $16 |
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
$1,507 in reported general payments places this provider in the 70th percentile of 20 endocrinology, diabetes & metabolism providers in South Dakota.
See all endocrinology, diabetes & metabolism providers in South Dakota →
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 |
|---|---|---|
| OzempicSemaglutide | 261 | $287,386 |
| MounjaroTirzepatide | 215 | $232,699 |
| JardianceEmpagliflozin | 144 | $149,751 |
| TrulicityDulaglutide | 99 | $114,197 |
| Humulin R U-500 KwikpenInsulin Regular, Human | 37 | $46,585 |
| Fiasp FlextouchInsulin Aspart (Niacinamide) | 56 | $46,295 |
| Toujeo SolostarInsulin Glargine,hum.Rec.Anlog | 47 | $37,341 |
| Tresiba Flextouch U-100Insulin Degludec | 46 | $35,451 |
| Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog | 89 | $30,415 |
| Tresiba Flextouch U-200Insulin Degludec | 40 | $30,129 |
| Novolog FlexpenInsulin Aspart | 116 | $28,014 |
| FarxigaDapagliflozin Propanediol | 32 | $27,129 |
| Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/7 | 31 | $25,576 |
| Xultophy 100-3.6Insulin Degludec/Liraglutide | 26 | $25,386 |
| RybelsusSemaglutide | 17 | $19,353 |
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 |
|---|---|---|
| Lilly USA, LLCMounjaro, Trulicity, Humalog | $58 | $353,468344 claims |
| Novo NordiskOzempic, Xultophy 100-3.6, Rybelsus, Novolog | $214 | $336,781325 claims |
| Boehringer IngelheimJardiance | $52 | $149,751144 claims |
| Sanofi-aventis U.S. LLCLantus | $48 | $2,37932 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 70th percentile of 20 endocrinology, diabetes & metabolism providers in South Dakota.
Other endocrinology, diabetes & metabolism in Sioux Falls
- Richard CrawfordSioux Falls$126K
- Brandon AllardSioux Falls$3K
- Randall FennerSioux Falls$2K
- Hassan MehmoodSioux Falls$1K
- Lorayne ChuaSioux Falls$1K
- Marcio GriebelerSioux Falls$1K
- Anthony SallarSioux Falls$921
- Nour Aljariri AlhesanSioux Falls$558
- Natalie KappusSioux Falls$526
- Racquel Anel-TiangcoSioux Falls$506
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.