Healthcare provider profile · identity verified

David A Welch, PA

Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical · SIOUX FALLS, SD · NPI 1285602649

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show David A Welch, PA received $1,174.69 in general payments during 2025 across 50 reported records.

Boston Scientific Corporation accounted for 30.8% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 18 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Belbuca, Botox, Qulipta, Ubrelvy.

ABBVIE 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 BOTOX as an associated drug or biological on 140321 records involving 30103 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Botox by this doctor in 2024.

ABBVIE 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 LINZESS as an associated drug or biological on 87954 records involving 21815 distinct recipient NPIs. Public Medicare Part D data also shows 15 claims for Linzess by this doctor in 2024.

ABBVIE 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 QULIPTA as an associated drug or biological on 298617 records involving 58957 distinct recipient NPIs. Public Medicare Part D data also shows 30 claims for Qulipta by this doctor in 2024.

ABBVIE 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 UBRELVY as an associated drug or biological on 299803 records involving 61203 distinct recipient NPIs. Public Medicare Part D data also shows 21 claims for Ubrelvy by this doctor in 2024.

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 138 claims for Belbuca by this doctor in 2024.

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 Nucynta as an associated drug or biological on 230 records involving 95 distinct recipient NPIs. Public Medicare Part D data also shows 48 claims for Nucynta by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$1,174.69

50 reported records · 10 companies

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 companyCanonical companyAmountShareRecordsYear
Boston Scientific Corporation Unresolved — no canonical attribution shown $361.6830.8%112025
ABBVIE INC. Unresolved — no canonical attribution shown $360.0330.6%192025
Abbott Laboratories Unresolved — no canonical attribution shown $136.9111.7%42025
VERTEX PHARMACEUTICALS INCORPORATED Unresolved — no canonical attribution shown $134.1911.4%72025
Teva Pharmaceuticals USA, Inc. Unresolved — no canonical attribution shown $59.825.1%32025
Collegium Pharmaceutical, Inc. Unresolved — no canonical attribution shown $38.953.3%22025
SI-BONE, INC. Unresolved — no canonical attribution shown $25.172.1%12025
Avanos Medical Unresolved — no canonical attribution shown $22.731.9%12025
Averitas Pharma Inc. Unresolved — no canonical attribution shown $20.211.7%12025
Forte Bio-Pharma LLC Unresolved — no canonical attribution shown $15.001.3%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$1,174.6950

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 productTypeReported companyRelated amount*RecordsYear
Intracept
Normalized: intracept
Device Boston Scientific Corporation $331.13 8 2025
Source payment records
QULIPTA
Normalized: qulipta
Drug ABBVIE INC. $284.09 14 2025
Source payment records
UBRELVY
Normalized: ubrelvy
Drug ABBVIE INC. $219.69 17 2025
Source payment records
JOURNAVX
Normalized: journavx
Drug VERTEX PHARMACEUTICALS INCORPORATED $134.19 7 2025
Source payment records
ETERNA
Normalized: eterna
Device Abbott Laboratories $104.60 2 2025
Source payment records
AJOVY
Normalized: ajovy
Biological Teva Pharmaceuticals USA, Inc. $59.82 3 2025
Source payment records
PROCLAIM
Normalized: proclaim
Device Abbott Laboratories $32.31 2 2025
Source payment records
GENVISC 850 SODIUM HYALURONATE
Normalized: genvisc 850 sodium hyaluronate
Device Avanos Medical $22.73 1 2025
Source payment records
XTAMPZA
Normalized: xtampza
Drug Collegium Pharmaceutical, Inc. $20.78 1 2025
Source payment records
QUTENZA
Normalized: qutenza
Drug Averitas Pharma Inc. $20.21 1 2025
Source payment records
Patient Trial Kit
Normalized: patient trial kit
Device Boston Scientific Corporation $19.61 1 2025
Source payment records
Belbuca
Normalized: belbuca
Drug Collegium Pharmaceutical, Inc. $18.17 1 2025
Source payment records
BOTOX
Normalized: botox
Biological ABBVIE INC. $15.88 1 2025
Source payment records
NALOCET
Normalized: nalocet
Drug Forte Bio-Pharma LLC $15.00 1 2025
Source payment records
PROLATE
Normalized: prolate
Drug Forte Bio-Pharma LLC $15.00 1 2025
Source payment records
TANLOR
Normalized: tanlor
Drug Forte Bio-Pharma LLC $15.00 1 2025
Source payment records
Intracept RF Probe
Normalized: intracept rf probe
Device Boston Scientific Corporation $8.40 1 2025
Source payment records
WaveWriter Alpha Prime 16
Normalized: wavewriter alpha prime 16
Device Boston Scientific Corporation $2.54 1 2025
Source payment records

* 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 productPayment yearPart D brandPart D yearClaimsMatch methodSource
Belbuca
belbuca
2025 Belbuca 2024 138 exact normalized Medicare Part D
BOTOX
botox
2025 Botox 2024 13
Beneficiary count suppressed
exact normalized Medicare Part D
QULIPTA
qulipta
2025 Qulipta 2024 30
Beneficiary count suppressed
exact normalized Medicare Part D
UBRELVY
ubrelvy
2025 Ubrelvy 2024 21
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 companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 BOTOX
open payments reported associated product
CMS Open Payments — General Payments
140321 supporting records · 30103 recipient NPIs · example record 1201352642
Botox · 2024
Exact normalized brand match · 1 Part D row
13 suppressed by CMS
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 LINZESS
open payments reported associated product
CMS Open Payments — General Payments
87954 supporting records · 21815 recipient NPIs · example record 1201352608
Linzess · 2024
Exact normalized brand match · 1 Part D row
15 suppressed by CMS
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 QULIPTA
open payments reported associated product
CMS Open Payments — General Payments
298617 supporting records · 58957 recipient NPIs · example record 1201352530
Qulipta · 2024
Exact normalized brand match · 1 Part D row
30 suppressed by CMS
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 UBRELVY
open payments reported associated product
CMS Open Payments — General Payments
299803 supporting records · 61203 recipient NPIs · example record 1201352530
Ubrelvy · 2024
Exact normalized brand match · 1 Part D row
21 suppressed by CMS
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
138 15
Collegium Pharmaceutical, Inc.
Exact reporting entity; no affiliate inference
2025 Nucynta
open payments reported associated product
CMS Open Payments — General Payments
230 supporting records · 95 recipient NPIs · example record 1224105108
Nucynta · 2024
Exact normalized brand match · 1 Part D row
48 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

BrandGenericClaimsBeneficiaries
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen1226162
Oxycodone HclOxycodone Hcl59580
Morphine Sulfate ErMorphine Sulfate40049
GabapentinGabapentin39563
Tramadol HclTramadol Hcl28452
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen26142
PregabalinPregabalin22135
Tizanidine HclTizanidine Hcl21446
Cyclobenzaprine HclCyclobenzaprine Hcl21245
OxycontinOxycodone Hcl17920
Methadone HclMethadone Hcl14417
BelbucaBuprenorphine Hcl13815
Xtampza ErOxycodone Myristate12116
BaclofenBaclofen7614
MeloxicamMeloxicam7323
IbuprofenIbuprofen6819
Trazodone HclTrazodone Hcl61suppressed
NucyntaTapentadol Hcl48suppressed
FentanylFentanyl44suppressed
Amitriptyline HclAmitriptyline Hcl43suppressed
BuprenorphineBuprenorphine42suppressed
Duloxetine HclDuloxetine Hcl41suppressed
Oxymorphone Hcl ErOxymorphone Hcl36suppressed
CelecoxibCelecoxib35suppressed
Hydroxyzine HclHydroxyzine Hcl34suppressed
MethylprednisoloneMethylprednisolone3327
TopiramateTopiramate33suppressed
QuliptaAtogepant30suppressed
MethocarbamolMethocarbamol28suppressed
Aimovig AutoinjectorErenumab-Aooe26suppressed
Nurtec OdtRimegepant Sulfate26suppressed
Sumatriptan SuccinateSumatriptan Succinate26suppressed
Diclofenac SodiumDiclofenac Sodium23suppressed
Hysingla ErHydrocodone Bitartrate22suppressed
TrintellixVortioxetine Hydrobromide21suppressed
UbrelvyUbrogepant21suppressed
Ondansetron OdtOndansetron20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Buprenorphine HclBuprenorphine Hcl18suppressed
MovantikNaloxegol Oxalate18suppressed
SymproicNaldemedine Tosylate18suppressed
LubiprostoneLubiprostone16suppressed
NaproxenNaproxen16suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
LinzessLinaclotide15suppressed
BotoxOnabotulinumtoxina13suppressed
CarisoprodolCarisoprodol11suppressed

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.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $1,174.69 · 50 records Boston Scientific Corporation AJOVY, BOTOX, Belbuca, ETERNA, GENVISC 850 SODIUM HYALURONATE, Intracept, Intracept RF Probe, JOURNAVX, NALOCET, PROCLAIM, PROLATE, Patient Trial Kit, QULIPTA, QUTENZA, TANLOR, UBRELVY, WaveWriter Alpha Prime 16, XTAMPZA 6
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
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

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error