Payment overview · 2025
General Payments
$1,046.15
39 reported records · 8 companies
Healthcare provider profile · identity verified
C Gregory Kang, MD
Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation · MYRTLE BEACH, SC · NPI 1275560419
Verified facts
What the public records show
CMS Open Payments records show C Gregory Kang, MD received $1,046.15 in general payments during 2025 across 39 reported records.
Forte Bio-Pharma LLC accounted for 30.9% of that reported general-payment amount.
The Open Payments records used for this analysis explicitly named 10 associated products.
A separate comparison found the same explicitly named product in public Medicare Part D data: Belbuca, Levorphanol Tartrate.
Collegium Pharmaceutical, 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 BELBUCA as an associated drug or biological on 17475 records involving 4385 distinct recipient NPIs. Public Medicare Part D data also shows 41 claims for Belbuca 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 |
|---|---|---|---|---|---|
| Forte Bio-Pharma LLC | Unresolved — no canonical attribution shown | $323.26 | 30.9% | 11 | 2025 |
| BIOTRONIK NRO, Inc. | Unresolved — no canonical attribution shown | $239.53 | 22.9% | 8 | 2025 |
| Collegium Pharmaceutical, Inc. | Unresolved — no canonical attribution shown | $184.87 | 17.7% | 11 | 2025 |
| Medtronic, Inc. |
Medtronic, Inc. exact · evidence 2025-07-22 |
$103.89 | 9.9% | 1 | 2025 |
| Virtus Pharmaceuticals LLC | Unresolved — no canonical attribution shown | $78.80 | 7.5% | 4 | 2025 |
| SPR Therapeutics, Inc | Unresolved — no canonical attribution shown | $55.73 | 5.3% | 1 | 2025 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | Unresolved — no canonical attribution shown | $32.64 | 3.1% | 2 | 2025 |
| Nalu Medical, Inc. | Unresolved — no canonical attribution shown | $27.43 | 2.6% | 1 | 2025 |
What were the payments for?
Payment categories
| Category | Amount | Records |
|---|---|---|
| Food and Beverage | $1,029.97 | 37 |
| Travel and Lodging | $16.18 | 2 |
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 |
|---|---|---|---|---|---|
| NALOCET Normalized: nalocet |
Drug | Forte Bio-Pharma LLC | $323.26 | 11 | 2025 |
Source payment records
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| PROLATE Normalized: prolate |
Drug | Forte Bio-Pharma LLC | $323.26 | 11 | 2025 |
Source payment records
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| TANLOR Normalized: tanlor |
Drug | Forte Bio-Pharma LLC | $323.26 | 11 | 2025 |
Source payment records
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| Prospera Normalized: prospera |
Device | BIOTRONIK NRO, Inc. | $239.53 | 8 | 2025 |
Source payment records
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| Belbuca Normalized: belbuca |
Drug | Collegium Pharmaceutical, Inc. | $184.87 | 11 | 2025 |
Source payment records
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| INCEPTIV Normalized: inceptiv |
Device | Medtronic, Inc. | $103.89 | 1 | 2025 |
Source payment records
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| LEVORPHANOL TARTRATE Normalized: levorphanol tartrate |
Drug | Virtus Pharmaceuticals LLC | $78.80 | 4 | 2025 |
Source payment records
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| SPRINT PNS System Normalized: sprint pns system |
Device | SPR Therapeutics, Inc | $55.73 | 1 | 2025 |
Source payment records
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| RELISTOR Normalized: relistor |
Drug | Salix Pharmaceuticals, a division of Bausch Health US, LLC | $32.64 | 2 | 2025 |
Source payment records
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| Nalu Neurostimulation System Normalized: nalu neurostimulation system |
Device | Nalu Medical, Inc. | $27.43 | 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 |
|---|---|---|---|---|---|---|
| Belbuca belbuca |
2025 | Belbuca | 2024 | 41 Beneficiary count suppressed |
exact normalized | Medicare Part D |
| LEVORPHANOL TARTRATE levorphanol tartrate |
2025 | Levorphanol Tartrate | 2024 | 12 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 |
|---|---|---|---|---|---|---|
| Collegium Pharmaceutical, Inc. Exact reporting entity; no affiliate inference |
2025 | BELBUCA open payments reported associated product |
CMS Open Payments — General Payments 17475 supporting records · 4385 recipient NPIs · example record 1224105020 |
Belbuca · 2024 Exact normalized brand match · 1 Part D row |
41 | 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 |
|---|---|---|---|
| Oxycodone-Acetaminophen | Oxycodone Hcl/Acetaminophen | 628 | 186 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 419 | 134 |
| Oxycodone Hcl | Oxycodone Hcl | 393 | 115 |
| Hydromorphone Hcl | Hydromorphone Hcl | 204 | 60 |
| Gabapentin | Gabapentin | 189 | 57 |
| Morphine Sulfate Er | Morphine Sulfate | 186 | 61 |
| Tramadol Hcl | Tramadol Hcl | 119 | 48 |
| Tizanidine Hcl | Tizanidine Hcl | 97 | 33 |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 94 | 32 |
| Morphine Sulfate | Morphine Sulfate | 89 | 21 |
| Pregabalin | Pregabalin | 84 | 28 |
| Fentanyl | Fentanyl | 78 | 24 |
| Naloxone Hcl | Naloxone Hcl | 53 | 52 |
| Oxycontin | Oxycodone Hcl | 50 | 11 |
| Zolpidem Tartrate | Zolpidem Tartrate | 48 | 13 |
| Duloxetine Hcl | Duloxetine Hcl | 47 | suppressed |
| Xtampza Er | Oxycodone Myristate | 47 | 19 |
| Belbuca | Buprenorphine Hcl | 41 | suppressed |
| Celecoxib | Celecoxib | 40 | 14 |
| Methadone Hcl | Methadone Hcl | 40 | 13 |
| Amitriptyline Hcl | Amitriptyline Hcl | 33 | suppressed |
| Lubiprostone | Lubiprostone | 24 | suppressed |
| Lidocaine | Lidocaine | 23 | suppressed |
| Trazodone Hcl | Trazodone Hcl | 21 | suppressed |
| Baclofen | Baclofen | 20 | suppressed |
| Buprenorphine | Buprenorphine | 20 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 19 | suppressed |
| Alprazolam | Alprazolam | 18 | suppressed |
| Belsomra | Suvorexant | 15 | suppressed |
| Prednisone | Prednisone | 15 | 15 |
| Topiramate | Topiramate | 14 | suppressed |
| Buspirone Hcl | Buspirone Hcl | 13 | suppressed |
| Sertraline Hcl | Sertraline Hcl | 13 | suppressed |
| Carisoprodol | Carisoprodol | 12 | suppressed |
| Diazepam | Diazepam | 12 | suppressed |
| Levorphanol Tartrate | Levorphanol Tartrate | 12 | suppressed |
| Meloxicam | Meloxicam | 12 | suppressed |
| Methocarbamol | Methocarbamol | 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 | $1,046.15 · 39 records | Forte Bio-Pharma LLC | Belbuca, INCEPTIV, LEVORPHANOL TARTRATE, NALOCET, Nalu Neurostimulation System, PROLATE, Prospera, RELISTOR, SPRINT PNS System, TANLOR | 1 | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
Questions you could discuss with your doctor
- What role, if any, does Belbuca play in your treatment recommendations for me?
- How do you evaluate evidence when you have a financial relationship with Collegium Pharmaceutical, 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