Payment overview · 2025
General Payments
$1,481.44
51 reported records · 14 companies
Healthcare provider profile · identity verified
Robert Carroll Frere, M.D.
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology · GREENVILLE, NC · NPI 1669567095
Verified facts
What the public records show
CMS Open Payments records show Robert Carroll Frere, M.D. received $1,481.44 in general payments during 2025 across 51 reported records.
TG Therapeutics, Inc. accounted for 28.4% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 16 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Ingrezza, Tysabri, Vumerity.
Biogen, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TECFIDERA as an associated drug or biological on 28 records involving 22 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Tecfidera by this doctor in 2024.
Biogen, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TYSABRI as an associated drug or biological on 12612 records involving 3572 distinct recipient NPIs. Public Medicare Part D data also shows 17 claims for Tysabri by this doctor in 2024.
Biogen, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported VUMERITY as an associated drug or biological on 16193 records involving 4044 distinct recipient NPIs. Public Medicare Part D data also shows 30 claims for Vumerity by this doctor in 2024.
Neurocrine BioSciences, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported INGREZZA as an associated drug or biological on 126456 records involving 27390 distinct recipient NPIs. Public Medicare Part D data also shows 15 claims for Ingrezza by this doctor in 2024.
These records do not establish that a payment influenced prescribing or medical care.
Separate record types
Research & Ownership
Research Payments (direct recipient): not present in the loaded data
Associated Research Funding (for example, named PI): not present in the loaded data
Ownership / Investment: not present in the loaded data
These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.
Who paid this doctor?
Companies in 2025 General Payments
| Reported company | Canonical company | Amount | Share | Records | Year |
|---|---|---|---|---|---|
| TG Therapeutics, Inc. | Unresolved — no canonical attribution shown | $420.80 | 28.4% | 15 | 2025 |
| Biogen, Inc. | Unresolved — no canonical attribution shown | $362.33 | 24.5% | 13 | 2025 |
| Neurelis, Inc. |
Neurelis, Inc. exact · evidence 2025-02-20 |
$143.70 | 9.7% | 2 | 2025 |
| ARGENX US, INC. | Unresolved — no canonical attribution shown | $142.01 | 9.6% | 6 | 2025 |
| Teva Pharmaceuticals USA, Inc. | Unresolved — no canonical attribution shown | $117.57 | 7.9% | 1 | 2025 |
| Amgen Inc. | Unresolved — no canonical attribution shown | $71.45 | 4.8% | 2 | 2025 |
| ABBVIE INC. | Unresolved — no canonical attribution shown | $61.96 | 4.2% | 4 | 2025 |
| EMD Serono, Inc. | Unresolved — no canonical attribution shown | $37.21 | 2.5% | 2 | 2025 |
| Lundbeck LLC | Unresolved — no canonical attribution shown | $30.48 | 2.1% | 1 | 2025 |
| Genentech USA, Inc. | Unresolved — no canonical attribution shown | $21.95 | 1.5% | 1 | 2025 |
| Takeda Pharmaceuticals U.S.A., Inc. | Unresolved — no canonical attribution shown | $20.94 | 1.4% | 1 | 2025 |
| Neurocrine BioSciences, Inc. | Unresolved — no canonical attribution shown | $19.74 | 1.3% | 1 | 2025 |
| Novartis Pharmaceuticals Corporation | Unresolved — no canonical attribution shown | $16.13 | 1.1% | 1 | 2025 |
| UCB, Inc. | Unresolved — no canonical attribution shown | $15.17 | 1.0% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $1,481.44 | 51 |
A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.
Analysis 1 · Payment-linked products
Products named in Open Payments records
| Reported product | Type | Reported company | Related amount* | Records | Year |
|---|---|---|---|---|---|
| BRIUMVI Normalized: briumvi |
Drug | TG Therapeutics, Inc. | $420.80 | 15 | 2025 |
Source payment records
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| VUMERITY Normalized: vumerity |
Drug | Biogen, Inc. | $347.76 | 12 | 2025 |
Source payment records
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| TYSABRI Normalized: tysabri |
Biological | Biogen, Inc. | $258.94 | 5 | 2025 |
Source payment records
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| VALTOCO Normalized: valtoco |
Drug | Neurelis, Inc. | $143.70 | 2 | 2025 |
Source payment records
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| VYVGART HYTRULO Normalized: vyvgart hytrulo |
Drug | ARGENX US, INC. | $142.01 | 6 | 2025 |
Source payment records
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| AUSTEDO XR Normalized: austedo xr |
Drug | Teva Pharmaceuticals USA, Inc. | $117.57 | 1 | 2025 |
Source payment records
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| UPLIZNA Normalized: uplizna |
Biological | Amgen Inc. | $71.45 | 2 | 2025 |
Source payment records
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| QULIPTA Normalized: qulipta |
Drug | ABBVIE INC. | $42.84 | 3 | 2025 |
Source payment records
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| UBRELVY Normalized: ubrelvy |
Drug | ABBVIE INC. | $34.19 | 2 | 2025 |
Source payment records
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| VYEPTI Normalized: vyepti |
Biological | Lundbeck LLC | $30.48 | 1 | 2025 |
Source payment records
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| BOTOX Normalized: botox |
Biological | ABBVIE INC. | $27.77 | 2 | 2025 |
Source payment records
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| Ocrevus Zunovo Normalized: ocrevus zunovo |
Biological | Genentech USA, Inc. | $21.95 | 1 | 2025 |
Source payment records
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| HYQVIA Normalized: hyqvia |
Biological | Takeda Pharmaceuticals U.S.A., Inc. | $20.94 | 1 | 2025 |
Source payment records
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| INGREZZA Normalized: ingrezza |
Drug | Neurocrine BioSciences, Inc. | $19.74 | 1 | 2025 |
Source payment records
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| KESIMPTA Normalized: kesimpta |
Drug | Novartis Pharmaceuticals Corporation | $16.13 | 1 | 2025 |
Source payment records
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| Rystiggo Normalized: rystiggo |
Drug | UCB, Inc. | $15.17 | 1 | 2025 |
Source payment records
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* Product-associated amounts are non-additive because one payment record may name more than one product.
These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.
Public prescribing for products named in payments
| Open Payments product | Payment year | Part D brand | Part D year | Claims | Match method | Source |
|---|---|---|---|---|---|---|
| INGREZZA ingrezza |
2025 | Ingrezza | 2024 | 15 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| TYSABRI tysabri |
2025 | Tysabri | 2024 | 17 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| VUMERITY vumerity |
2025 | Vumerity | 2024 | 30 Beneficiary count suppressed |
exact normalized | Medicare Part D |
The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.
Analysis 2 · Same-company prescribing overlap
Drugs reported in other payments from the same company that also appear in Medicare Part D
This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.
| Paying company | Payment year | Drug reported by same entity | Open Payments evidence | Part D | Claims | Beneficiaries |
|---|---|---|---|---|---|---|
| Biogen, Inc. Exact reporting entity; no affiliate inference |
2025 | TECFIDERA open payments reported associated product |
CMS Open Payments — General Payments 28 supporting records · 22 recipient NPIs · example record 1208304358 |
Tecfidera · 2024 Exact normalized brand match · 1 Part D row |
22 | suppressed by CMS |
| Biogen, Inc. Exact reporting entity; no affiliate inference |
2025 | TYSABRI open payments reported associated product |
CMS Open Payments — General Payments 12612 supporting records · 3572 recipient NPIs · example record 1208299693 |
Tysabri · 2024 Exact normalized brand match · 1 Part D row |
17 | suppressed by CMS |
| Biogen, Inc. Exact reporting entity; no affiliate inference |
2025 | VUMERITY open payments reported associated product |
CMS Open Payments — General Payments 16193 supporting records · 4044 recipient NPIs · example record 1208299697 |
Vumerity · 2024 Exact normalized brand match · 1 Part D row |
30 | suppressed by CMS |
| Neurocrine BioSciences, Inc. Exact reporting entity; no affiliate inference |
2025 | INGREZZA open payments reported associated product |
CMS Open Payments — General Payments 126456 supporting records · 27390 recipient NPIs · example record 1242766729 |
Ingrezza · 2024 Exact normalized brand match · 1 Part D row |
15 | suppressed by CMS |
These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.
Public Medicare Part D data
Provider-and-drug rows loaded for 2024
| Brand | Generic | Claims | Beneficiaries |
|---|---|---|---|
| Gabapentin | Gabapentin | 343 | 67 |
| Levetiracetam | Levetiracetam | 179 | 49 |
| Baclofen | Baclofen | 158 | 30 |
| Donepezil Hcl | Donepezil Hcl | 156 | 38 |
| Topiramate | Topiramate | 136 | 29 |
| Memantine Hcl | Memantine Hcl | 102 | 24 |
| Carbidopa-Levodopa | Carbidopa/Levodopa | 82 | 18 |
| Duloxetine Hcl | Duloxetine Hcl | 82 | 22 |
| Pyridostigmine Bromide | Pyridostigmine Bromide | 82 | 20 |
| Pregabalin | Pregabalin | 77 | 18 |
| Nortriptyline Hcl | Nortriptyline Hcl | 73 | 19 |
| Clonazepam | Clonazepam | 64 | 11 |
| Ropinirole Hcl | Ropinirole Hcl | 63 | 15 |
| Teriflunomide | Teriflunomide | 54 | suppressed |
| Fingolimod | Fingolimod Hcl | 53 | suppressed |
| Tizanidine Hcl | Tizanidine Hcl | 52 | 11 |
| Dalfampridine Er | Dalfampridine | 50 | suppressed |
| Quetiapine Fumarate | Quetiapine Fumarate | 49 | suppressed |
| Lamotrigine | Lamotrigine | 46 | 14 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 44 | suppressed |
| Sertraline Hcl | Sertraline Hcl | 41 | suppressed |
| Lorazepam | Lorazepam | 40 | suppressed |
| Primidone | Primidone | 40 | suppressed |
| Carbamazepine Er | Carbamazepine | 38 | suppressed |
| Lacosamide | Lacosamide | 36 | 13 |
| Copaxone | Glatiramer Acetate | 34 | suppressed |
| Prednisone | Prednisone | 34 | 13 |
| Mycophenolate Mofetil | Mycophenolate Mofetil | 33 | suppressed |
| Phenytoin Sodium Extended | Phenytoin Sodium Extended | 33 | suppressed |
| Sumatriptan Succinate | Sumatriptan Succinate | 33 | suppressed |
| Levetiracetam Er | Levetiracetam | 32 | suppressed |
| Riluzole | Riluzole | 32 | suppressed |
| Zonisamide | Zonisamide | 32 | suppressed |
| Phenobarbital | Phenobarbital | 30 | suppressed |
| Vumerity | Diroximel Fumarate | 30 | suppressed |
| Clopidogrel | Clopidogrel Bisulfate | 29 | suppressed |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 29 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 28 | suppressed |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 26 | suppressed |
| Divalproex Sodium | Divalproex Sodium | 25 | suppressed |
| Amantadine | Amantadine Hcl | 24 | suppressed |
| Rivastigmine | Rivastigmine Tartrate | 24 | suppressed |
| Glatiramer Acetate | Glatiramer Acetate | 23 | suppressed |
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 23 | suppressed |
| Tramadol Hcl | Tramadol Hcl | 23 | suppressed |
| Tecfidera | Dimethyl Fumarate | 22 | suppressed |
| Butalbital-Acetaminophen-Caffe | Butalb/Acetaminophen/Caffeine | 20 | suppressed |
| Entacapone | Entacapone | 20 | suppressed |
| Dimethyl Fumarate | Dimethyl Fumarate | 19 | suppressed |
| Sodium Chloride | 0.9 % Sodium Chloride | 19 | suppressed |
| Vimpat | Lacosamide | 19 | suppressed |
| Betaseron | Interferon Beta-1b | 17 | suppressed |
| Gilenya | Fingolimod Hcl | 17 | suppressed |
| Oxybutynin Chloride | Oxybutynin Chloride | 17 | suppressed |
| Phenytoin | Phenytoin | 17 | suppressed |
| Tysabri | Natalizumab | 17 | suppressed |
| Meclizine Hcl | Meclizine Hcl | 16 | suppressed |
| Benztropine Mesylate | Benztropine Mesylate | 15 | suppressed |
| Ingrezza | Valbenazine Tosylate | 15 | suppressed |
| Lamictal | Lamotrigine | 15 | suppressed |
| Memantine Hcl Er | Memantine Hcl | 15 | suppressed |
| Azathioprine | Azathioprine | 14 | suppressed |
| Firdapse | Amifampridine Phosphate | 14 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 14 | suppressed |
| Zolpidem Tartrate | Zolpidem Tartrate | 14 | suppressed |
| Methocarbamol | Methocarbamol | 13 | suppressed |
| Avonex (4 Pack) | Interferon Beta-1a | 12 | suppressed |
| Hizentra | Immun Glob G(Igg)/Pro/Iga 0-50 | 12 | suppressed |
| Rebif Rebidose | Interferon Beta-1a/Albumin | 12 | suppressed |
| Escitalopram Oxalate | Escitalopram Oxalate | 11 | suppressed |
Timeline
Payment and prescribing data by year
Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.
| Year | General Payments | Main payer | Explicit products | Company overlaps | Part D coverage |
|---|---|---|---|---|---|
| 2025 | $1,481.44 · 51 records | TG Therapeutics, Inc. | AUSTEDO XR, BOTOX, BRIUMVI, HYQVIA, INGREZZA, KESIMPTA, Ocrevus Zunovo, QULIPTA, Rystiggo, TYSABRI, UBRELVY, UPLIZNA, VALTOCO, VUMERITY, VYEPTI, VYVGART HYTRULO | 4 | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
Questions you could discuss with your doctor
- What role, if any, does Ingrezza play in your treatment recommendations for me?
- How do you evaluate evidence when you have a financial relationship with Biogen, Inc.?
- Are there reasonable alternatives I should understand when we discuss treatment options?
- How should I interpret the industry-payment records shown here in the context of my care?
These are general questions generated from reviewed templates. They are not personalized medical advice.
Sources and limitations
How to read this page
- Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
- Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
- Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
- Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
- When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.
Loaded source releases
| Dataset | Year | Publication | Source |
|---|---|---|---|
| CMS Open Payments — General Payments | 2025 | 2026-06-30 | Original source |
| Medicare Part D Prescribers by Provider and Drug | 2024 | 2026-05-06 | Original source |
| NPPES Data Dissemination V2 | current / reference data | 2026-08-10 | Original source |
Full methodology · Questions & answers · Report a possible error