Healthcare provider profile · identity verified

Ritu Singhal, M.D.

Family Practice · WALNUT CREEK, CA · NPI 1578521928

Profile state: partd only 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

We did not find matching Open Payments records for this doctor in 2025.

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

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

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.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

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.

There is no payer-company set available for this comparison.

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 Calcium468160
Amlodipine BesylateAmlodipine Besylate378126
Losartan PotassiumLosartan Potassium362124
Levothyroxine SodiumLevothyroxine Sodium360114
LisinoprilLisinopril339110
AtenololAtenolol24980
FamotidineFamotidine24499
SimvastatinSimvastatin19764
HydrochlorothiazideHydrochlorothiazide15751
Fluticasone PropionateFluticasone Propionate15154
GabapentinGabapentin14956
Pantoprazole SodiumPantoprazole Sodium12639
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12231
Metoprolol TartrateMetoprolol Tartrate11738
Metformin Hcl ErMetformin Hcl11141
Albuterol Sulfate HfaAlbuterol Sulfate10366
Trazodone HclTrazodone Hcl10034
Triamcinolone AcetonideTriamcinolone Acetonide9246
LovastatinLovastatin8928
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8828
LidocaineLidocaine8742
Metformin HclMetformin Hcl8528
Sertraline HclSertraline Hcl7831
FurosemideFurosemide7530
AlvescoCiclesonide7324
Potassium ChloridePotassium Chloride7329
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide7224
Azelastine HclAzelastine Hcl7115
GlipizideGlipizide6426
NystatinNystatin6221
OmeprazoleOmeprazole6125
Pravastatin SodiumPravastatin Sodium5717
Acetaminophen-CodeineAcetaminophen With Codeine55suppressed
Ipratropium BromideIpratropium Bromide5514
Wixela InhubFluticasone Propion/Salmeterol5521
OzempicSemaglutide5311
JardianceEmpagliflozin5015
Montelukast SodiumMontelukast Sodium4913
CarvedilolCarvedilol4813
AcyclovirAcyclovir4716
Hydralazine HclHydralazine Hcl4616
Metoprolol SuccinateMetoprolol Succinate4619
ShingrixVaricella-Zoster Ge/As01b/Pf4130
PradaxaDabigatran Etexilate Mesylate4011
Tizanidine HclTizanidine Hcl4020
Bupropion XlBupropion Hcl39suppressed
Glipizide ErGlipizide3912
Citalopram HbrCitalopram Hydrobromide3812
HydrocortisoneHydrocortisone3820
Alendronate SodiumAlendronate Sodium3612
Tamsulosin HclTamsulosin Hcl3615
Fluoxetine HclFluoxetine Hcl3514
IbuprofenIbuprofen3219
MirtazapineMirtazapine3214
AzithromycinAzithromycin3124
Sumatriptan SuccinateSumatriptan Succinate31suppressed
TemazepamTemazepam31suppressed
CefadroxilCefadroxil3023
Duloxetine HclDuloxetine Hcl3012
SpironolactoneSpironolactone3011
Rosuvastatin CalciumRosuvastatin Calcium2912
FluocinonideFluocinonide2817
Humulin N KwikpenInsulin Nph Human Isophane28suppressed
AllopurinolAllopurinol27suppressed
Propranolol HclPropranolol Hcl2711
MeloxicamMeloxicam2612
AmoxicillinAmoxicillin2517
Clobetasol PropionateClobetasol Propionate24suppressed
Warfarin SodiumWarfarin Sodium24suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic23suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac2121
Escitalopram OxalateEscitalopram Oxalate21suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn21suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2115
Spiriva RespimatTiotropium Bromide21suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml21suppressed
CiclopiroxCiclopirox20suppressed
Clonidine HclClonidine Hcl20suppressed
ColchicineColchicine19suppressed
Doxycycline MonohydrateDoxycycline Monohydrate18suppressed
Humulin NInsulin Nph Human Isophane18suppressed
LorazepamLorazepam1812
Ondansetron OdtOndansetron18suppressed
FinasterideFinasteride17suppressed
FluorouracilFluorouracil1717
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
MupirocinMupirocin16suppressed
Terazosin HclTerazosin Hcl16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Bupropion Hcl SrBupropion Hcl14suppressed
Quetiapine FumarateQuetiapine Fumarate14suppressed
Ranolazine ErRanolazine14suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml14suppressed
FluconazoleFluconazole13suppressed
Metoclopramide HclMetoclopramide Hcl13suppressed
SucralfateSucralfate13suppressed
ChlorthalidoneChlorthalidone12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
NaproxenNaproxen12suppressed
Buspirone HclBuspirone Hcl11suppressed
Ondansetron HclOndansetron Hcl11suppressed

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
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