Richard Millstein, DO
Endocrinology, Diabetes & Metabolism · Greeley, CONPI 1407101975
Payments from drug & device makers
What this record shows
This record is dominated by travel and lodging: $2,409 of the $3,452 with a category attached, or 69.8%. Insulet Corporation accounts for 64.4% of it on its own, with 5 other manufacturers making up the rest. 2025 is the largest year on record at $2,130, 2.7 times the $784 reported in 2019.
Across 21 payments — averaging $164.38 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Insulet Corporation$2K
- Tandem Diabetes Care, Inc.$784
- BETA Bionics, Inc.$218
- Mannkind Corporation$186
- Dexcom, Inc.$27
- Bristol Myers Squibb$14
Across 231 payments — averaging $389.35 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Ascendis Pharma Endocrinology Inc$90K
What the payments were for
- Travel & lodging$2,40970%
- Food & beverage$98328%
- Gifts$592%
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 |
|---|---|---|
| Insulet Corporation | 11 | $2,224 |
| Tandem Diabetes Care, Inc. | 5 | $784 |
| BETA Bionics, Inc. | 1 | $218 |
| Mannkind Corporation | 2 | $186 |
| Dexcom, Inc. | 1 | $27 |
| Bristol Myers Squibb | 1 | $14 |
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.
- Omnipod$2,025
- t-slim insulin pump$663
- iLet Bionic Pancreas$653
- AFREZZA$126
How this compares
$3,452 in reported general payments places this provider in the 70th percentile of 120 endocrinology, diabetes & metabolism providers in Colorado.
See all endocrinology, diabetes & metabolism providers in Colorado →
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 | 244 | $459,315 |
| MounjaroTirzepatide | 225 | $369,115 |
| JardianceEmpagliflozin | 253 | $359,676 |
| TrulicityDulaglutide | 116 | $218,898 |
| MycapssaOctreotide Acetate | 13 | $172,312 |
| Tresiba Flextouch U-200Insulin Degludec | 89 | $150,129 |
| Xultophy 100-3.6Insulin Degludec/Liraglutide | 53 | $149,788 |
| Tresiba Flextouch U-100Insulin Degludec | 117 | $100,696 |
| Humulin R U-500 KwikpenInsulin Regular, Human | 55 | $97,062 |
| JanuviaSitagliptin Phosphate | 71 | $91,549 |
| Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog | 37 | $88,205 |
| Soliqua 100-33Insulin Glargine/Lixisenatide | 28 | $68,619 |
| Toujeo SolostarInsulin Glargine,hum.Rec.Anlog | 57 | $66,720 |
| Humalog Kwikpen U-200Insulin Lispro | 28 | $66,050 |
| Lantus SolostarInsulin Glargine,hum.Rec.Anlog | 327 | $65,688 |
Paid to pharmacies, not to this prescriber.
Other endocrinology, diabetes & metabolism in Greeley
- James SpeedGreeley$2K
- Leigh PerreaultBoulder$1.7M
- Satish GargAurora$347K
- Viralkumar ShahAurora$256K
- Neda RasouliAurora$188K
- Michelle CassaraArvada$141K
- Halis AkturkAurora$109K
- Irinel StanciuArvada$104K
- Robert EckelAurora$66K
- Marc Andre CornierAurora$62K
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.