Sumera Chaggan
Pain Medicine · Torrance, CANPI 1144702887
Payments from drug & device makers
Across 212 payments — averaging $27.21 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boston Scientific$2K
- Biohaven Pharmaceuticals, Inc.$1K
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$459
- AbbVie$361
- Almatica Pharma LLC$273
- Biohaven Pharmaceutical Holding Company Ltd.$235
- plus $1K from 18 others
What the payments were for
- Consulting fees$80014%
- Travel & lodging$170%
- Food & beverage$4,95286%
- Gifts$00%
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 |
|---|---|---|
| Boston Scientific | 56 | $1,952 |
| Biohaven Pharmaceuticals, Inc. | 9 | $1,147 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 33 | $459 |
| AbbVie | 16 | $361 |
| Almatica Pharma LLC | 14 | $273 |
| Biohaven Pharmaceutical Holding Company Ltd. | 12 | $235 |
| Scilex Pharmaceuticals Inc. | 12 | $212 |
| Amgen | 11 | $199 |
| Collegium Pharmaceutical, Inc. | 7 | $136 |
| Biodelivery Sciences International, Inc. | 12 | $117 |
| Redhill Biopharma Inc. | 7 | $110 |
| Abbott | 4 | $79 |
| Pfizer | 3 | $76 |
| Nevro Corp. | 2 | $73 |
| Nalu Medical, Inc. | 2 | $60 |
| Merck | 2 | $52 |
| Fidia Pharma USA Inc. | 2 | $46 |
| Lilly USA, LLC | 2 | $42 |
| Vertex | 1 | $34 |
| Forte Bio-pharma LLC | 1 | $25 |
| Virtus Pharmaceuticals LLC | 1 | $24 |
| Averitas Pharma Inc. | 1 | $22 |
| SPR Therapeutics, Inc | 1 | $19 |
| Spinal Simplicity, LLC | 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.
- NURTEC ODT$1,029
- WaveWriter Alpha Prime 16$405
How this compares
$5,768 in reported general payments places this provider in the 70th percentile of 840 pain medicine providers in California.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Levorphanol Tartrate | 13 | $28,686 |
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 614 | $11,479 |
| MovantikNaloxegol Oxalate | 21 | $8,354 |
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 279 | $8,062 |
| OxycontinOxycodone Hcl | 11 | $6,455 |
| Gabapentin | 387 | $6,124 |
| Tizanidine Hcl | 109 | $5,481 |
| Lidocaine | 53 | $4,654 |
| Diclofenac Sodium | 52 | $3,788 |
| Pregabalin | 121 | $2,256 |
| Celecoxib | 30 | $2,176 |
| Morphine Sulfate ErMorphine Sulfate | 69 | $1,820 |
| Fentanyl | 24 | $1,437 |
| Tramadol Hcl | 143 | $1,001 |
| Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl | 12 | $963 |
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 |
|---|---|---|
| Virtus Pharmaceuticals LLCLevorphanol Tartrate | $24 | $28,68613 claims |
| Redhill Biopharma Inc.Movantik | $110 | $8,35421 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 840 pain medicine providers in California.
Other pain medicine in Torrance
- Eric GrigsbyNapa$3.2M
- Jason PopeSanta Rosa$2.8M
- Javid GhandehariSanta Monica$2.7M
- Alexander HerselThousand Oaks$2.1M
- Krishnan ChakravarthyTemecula$1.9M
- Kasra AmirdelfanWalnut Creek$1.7M
- Ramana NaiduLarkspur$1.6M
- Foead GeulaStudio City$1.3M
- Xiang QianRedwood City$941K
- Jacqueline WeisbeinNapa$863K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.