Healthcare provider profile · identity verified

Shagun Singh, M.D.

Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology · TUCSON, AZ · NPI 1730634346

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 Shagun Singh, M.D. received $886.80 in general payments during 2025 across 28 reported records.

Incyte Corporation accounted for 19.5% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 35 associated products.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported FARXIGA as an associated drug or biological on 106133 records involving 42906 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Farxiga by this doctor in 2024.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported SYMBICORT as an associated drug or biological on 71 records involving 51 distinct recipient NPIs. Public Medicare Part D data also shows 15 claims for Symbicort by this doctor in 2024.

Boehringer Ingelheim Pharmaceuticals, 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 JARDIANCE as an associated drug or biological on 123636 records involving 49438 distinct recipient NPIs. Public Medicare Part D data also shows 11 claims for Jardiance by this doctor in 2024.

GlaxoSmithKline, LLC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TRELEGY ELLIPTA as an associated drug or biological on 131532 records involving 37148 distinct recipient NPIs. Public Medicare Part D data also shows 24 claims for Trelegy Ellipta by this doctor in 2024.

PFIZER 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 ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 48 claims for Eliquis by this doctor in 2024.

PFIZER 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 PAXLOVID as an associated drug or biological on 24465 records involving 15715 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Paxlovid by this doctor in 2024.

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

Payment overview · 2025

General Payments

$886.80

28 reported records · 19 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
Incyte Corporation Unresolved — no canonical attribution shown $172.8719.5%42025
INTUITIVE SURGICAL, INC. Unresolved — no canonical attribution shown $135.0015.2%12025
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $115.1113.0%22025
Janssen Biotech, Inc. Unresolved — no canonical attribution shown $72.588.2%32025
PFIZER INC. Unresolved — no canonical attribution shown $53.876.1%32025
GENZYME CORPORATION Unresolved — no canonical attribution shown $45.465.1%22025
Geron Corporation Unresolved — no canonical attribution shown $42.664.8%12025
Takeda Pharmaceuticals U.S.A., Inc. Unresolved — no canonical attribution shown $26.543.0%12025
Daiichi Sankyo Inc. Unresolved — no canonical attribution shown $25.502.9%12025
Novartis Pharmaceuticals Corporation Unresolved — no canonical attribution shown $23.862.7%12025
Deciphera Pharmaceuticals Inc. Unresolved — no canonical attribution shown $23.262.6%12025
SOBI, INC Unresolved — no canonical attribution shown $21.642.4%12025
Merck Sharp & Dohme LLC Unresolved — no canonical attribution shown $20.712.3%12025
Gilead Sciences, Inc. Unresolved — no canonical attribution shown $20.592.3%12025
Bayer Healthcare Pharmaceuticals Inc. Unresolved — no canonical attribution shown $19.772.2%12025
Eisai Inc. Unresolved — no canonical attribution shown $17.432.0%12025
GlaxoSmithKline, LLC. Unresolved — no canonical attribution shown $17.342.0%12025
Boehringer Ingelheim Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $16.861.9%12025
Aveo Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $15.751.8%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$686.8226
Education$199.982

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
Da Vinci Surgical System
Normalized: da vinci surgical system
Device INTUITIVE SURGICAL, INC. $135.00 1 2025
Source payment records
LYNPARZA
Normalized: lynparza
Drug AstraZeneca Pharmaceuticals LP $115.11 2 2025
Source payment records
DARZALEX
Normalized: darzalex
Biological Janssen Biotech, Inc. $54.57 2 2025
Source payment records
MONJUVI
Normalized: monjuvi
Drug Incyte Corporation $50.16 2 2025
Source payment records
ZYNYZ
Normalized: zynyz
Drug Incyte Corporation $50.16 2 2025
Source payment records
RYTELO
Normalized: rytelo
Drug Geron Corporation $42.66 1 2025
Source payment records
LIVTENCITY
Normalized: livtencity
Drug Takeda Pharmaceuticals U.S.A., Inc. $26.54 1 2025
Source payment records
TECVAYLI
Normalized: tecvayli
Biological Janssen Biotech, Inc. $26.20 1 2025
Source payment records
AYVAKIT
Normalized: ayvakit
Biological GENZYME CORPORATION $25.70 1 2025
Source payment records
Vanflyta
Normalized: vanflyta
Drug Daiichi Sankyo Inc. $25.50 1 2025
Source payment records
SCEMBLIX
Normalized: scemblix
Drug Novartis Pharmaceuticals Corporation $23.86 1 2025
Source payment records
QINLOCK
Normalized: qinlock
Drug Deciphera Pharmaceuticals Inc. $23.26 1 2025
Source payment records
ROMVIMZA
Normalized: romvimza
Drug Deciphera Pharmaceuticals Inc. $23.26 1 2025
Source payment records
IBRANCE
Normalized: ibrance
Drug PFIZER INC. $22.86 1 2025
Source payment records
TUKYSA
Normalized: tukysa
Drug PFIZER INC. $22.86 1 2025
Source payment records
JAKAFI
Normalized: jakafi
Drug Incyte Corporation $22.72 1 2025
Source payment records
NIKTIMVO
Normalized: niktimvo
Drug Incyte Corporation $22.72 1 2025
Source payment records
Vonjo
Normalized: vonjo
Drug SOBI, INC $21.64 1 2025
Source payment records
KEYTRUDA
Normalized: keytruda
Biological Merck Sharp & Dohme LLC $20.71 1 2025
Source payment records
WELIREG
Normalized: welireg
Drug Merck Sharp & Dohme LLC $20.71 1 2025
Source payment records
Trodelvy
Normalized: trodelvy
Drug Gilead Sciences, Inc. $20.59 1 2025
Source payment records
Nubeqa
Normalized: nubeqa
Drug Bayer Healthcare Pharmaceuticals Inc. $19.77 1 2025
Source payment records
Stivarga
Normalized: stivarga
Drug Bayer Healthcare Pharmaceuticals Inc. $19.77 1 2025
Source payment records
Vitrakvi
Normalized: vitrakvi
Drug Bayer Healthcare Pharmaceuticals Inc. $19.77 1 2025
Source payment records
ALTUVIIIO
Normalized: altuviiio
Biological GENZYME CORPORATION $19.76 1 2025
Source payment records
AKEEGA
Normalized: akeega
Drug Janssen Biotech, Inc. $18.01 1 2025
Source payment records
BALVERSA
Normalized: balversa
Drug Janssen Biotech, Inc. $18.01 1 2025
Source payment records
ERLEADA
Normalized: erleada
Drug Janssen Biotech, Inc. $18.01 1 2025
Source payment records
Lenvima
Normalized: lenvima
Drug Eisai Inc. $17.43 1 2025
Source payment records
OJJAARA
Normalized: ojjaara
Drug GlaxoSmithKline, LLC. $17.34 1 2025
Source payment records
FOTIVDA
Normalized: fotivda
Drug Aveo Pharmaceuticals, Inc. $15.75 1 2025
Source payment records
ORGOVYX
Normalized: orgovyx
Drug PFIZER INC. $15.54 1 2025
Source payment records
TALZENNA
Normalized: talzenna
Drug PFIZER INC. $15.54 1 2025
Source payment records
XTANDI
Normalized: xtandi
Drug PFIZER INC. $15.54 1 2025
Source payment records
PADCEV
Normalized: padcev
Biological PFIZER INC. $15.47 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

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 FARXIGA
open payments reported associated product
CMS Open Payments — General Payments
106133 supporting records · 42906 recipient NPIs · example record 1206131362
Farxiga · 2024
Exact normalized brand match · 1 Part D row
13 suppressed by CMS
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 SYMBICORT
open payments reported associated product
CMS Open Payments — General Payments
71 supporting records · 51 recipient NPIs · example record 1206132610
Symbicort · 2024
Exact normalized brand match · 1 Part D row
15 suppressed by CMS
Boehringer Ingelheim Pharmaceuticals, Inc.
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
123636 supporting records · 49438 recipient NPIs · example record 1221811583
Jardiance · 2024
Exact normalized brand match · 1 Part D row
11 suppressed by CMS
GlaxoSmithKline, LLC.
Exact reporting entity; no affiliate inference
2025 TRELEGY ELLIPTA
open payments reported associated product
CMS Open Payments — General Payments
131532 supporting records · 37148 recipient NPIs · example record 1190332369
Trelegy Ellipta · 2024
Exact normalized brand match · 1 Part D row
24 suppressed by CMS
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
87112 supporting records · 36032 recipient NPIs · example record 1228794063
Eliquis · 2024
Exact normalized brand match · 1 Part D row
48 11
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 PAXLOVID
open payments reported associated product
CMS Open Payments — General Payments
24465 supporting records · 15715 recipient NPIs · example record 1228794432
Paxlovid · 2024
Exact normalized brand match · 1 Part D row
13 12

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
Atorvastatin CalciumAtorvastatin Calcium501146
Levothyroxine SodiumLevothyroxine Sodium462134
Rosuvastatin CalciumRosuvastatin Calcium395124
Amlodipine BesylateAmlodipine Besylate341106
LisinoprilLisinopril29387
Losartan PotassiumLosartan Potassium26184
Metformin HclMetformin Hcl17256
GabapentinGabapentin16751
HydrochlorothiazideHydrochlorothiazide15851
Trazodone HclTrazodone Hcl15754
Albuterol Sulfate HfaAlbuterol Sulfate14038
Pantoprazole SodiumPantoprazole Sodium13840
Escitalopram OxalateEscitalopram Oxalate13246
OzempicSemaglutide13022
OmeprazoleOmeprazole12644
SimvastatinSimvastatin11035
Pravastatin SodiumPravastatin Sodium9230
Tamsulosin HclTamsulosin Hcl8834
Fluoxetine HclFluoxetine Hcl8626
Montelukast SodiumMontelukast Sodium7724
Metoprolol SuccinateMetoprolol Succinate7325
Venlafaxine Hcl ErVenlafaxine Hcl6917
Fluticasone PropionateFluticasone Propionate6026
Metoprolol TartrateMetoprolol Tartrate5718
Metformin Hcl ErMetformin Hcl5519
Alendronate SodiumAlendronate Sodium5417
Bupropion XlBupropion Hcl5420
Citalopram HbrCitalopram Hydrobromide5318
Sertraline HclSertraline Hcl4913
SynthroidLevothyroxine Sodium4915
EliquisApixaban4811
MeloxicamMeloxicam47suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4636
Cyclobenzaprine HclCyclobenzaprine Hcl4215
Duloxetine HclDuloxetine Hcl3912
EstradiolEstradiol3917
Olmesartan MedoxomilOlmesartan Medoxomil3918
CarvedilolCarvedilol3817
FamotidineFamotidine3816
TelmisartanTelmisartan3716
BaclofenBaclofen3613
FurosemideFurosemide3517
MirtazapineMirtazapine3413
Potassium ChloridePotassium Chloride3413
ClopidogrelClopidogrel Bisulfate32suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3211
AllopurinolAllopurinol31suppressed
LorazepamLorazepam3112
EzetimibeEzetimibe3013
Hydroxyzine HclHydroxyzine Hcl3016
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
ValacyclovirValacyclovir Hcl3019
Benazepril HclBenazepril Hcl29suppressed
Diclofenac SodiumDiclofenac Sodium2912
Sildenafil CitrateSildenafil Citrate29suppressed
SpironolactoneSpironolactone2811
AtenololAtenolol26suppressed
AzithromycinAzithromycin2525
Lantus SolostarInsulin Glargine,hum.Rec.Anlog25suppressed
Buspirone HclBuspirone Hcl24suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter24suppressed
JanuviaSitagliptin Phosphate22suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2219
Ondansetron HclOndansetron Hcl2214
Paroxetine HclParoxetine Hcl22suppressed
Tizanidine HclTizanidine Hcl22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide22suppressed
TrulicityDulaglutide22suppressed
Azelastine HclAzelastine Hcl2112
MethocarbamolMethocarbamol2112
Warfarin SodiumWarfarin Sodium21suppressed
FinasterideFinasteride20suppressed
Tramadol HclTramadol Hcl20suppressed
Acetaminophen-CodeineAcetaminophen With Codeine18suppressed
MyrbetriqMirabegron18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl16suppressed
PregabalinPregabalin16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
SymbicortBudesonide/Formoterol Fumarate15suppressed
Tresiba Flextouch U-100Insulin Degludec15suppressed
YuvafemEstradiol15suppressed
CephalexinCephalexin14suppressed
Doxycycline HyclateDoxycycline Hyclate14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
MetronidazoleMetronidazole14suppressed
RamiprilRamipril14suppressed
Ropinirole HclRopinirole Hcl14suppressed
Zolpidem TartrateZolpidem Tartrate14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
FarxigaDapagliflozin Propanediol13suppressed
GlipizideGlipizide13suppressed
PaxlovidNirmatrelvir/Ritonavir1312
PrednisonePrednisone13suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
NystatinNystatin12suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
FenofibrateFenofibrate11suppressed
FluconazoleFluconazole11suppressed
JardianceEmpagliflozin11suppressed
Liothyronine SodiumLiothyronine Sodium11suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn11suppressed

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 $886.80 · 28 records Incyte Corporation AKEEGA, ALTUVIIIO, AYVAKIT, BALVERSA, DARZALEX, Da Vinci Surgical System, ERLEADA, FOTIVDA, IBRANCE, JAKAFI, KEYTRUDA, LIVTENCITY, LYNPARZA, Lenvima, MONJUVI, NIKTIMVO, Nubeqa, OJJAARA, ORGOVYX, PADCEV, QINLOCK, ROMVIMZA, RYTELO, SCEMBLIX, Stivarga, TALZENNA, TECVAYLI, TUKYSA, Trodelvy, Vanflyta, Vitrakvi, Vonjo, WELIREG, XTANDI, ZYNYZ 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