Healthcare provider profile · identity verified

Shahab Ahmad, DO

Allopathic & Osteopathic Physicians|Internal Medicine · CORPUS CHRISTI, TX · NPI 1669649596

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 Shahab Ahmad, DO received $310.87 in general payments during 2025 across 3 reported records.

ACADIA Pharmaceuticals Inc accounted for 58.2% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 2 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Nuplazid.

ACADIA 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 NUPLAZID as an associated drug or biological on 20845 records involving 6448 distinct recipient NPIs. Public Medicare Part D data also shows 18 claims for Nuplazid by this doctor in 2024.

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

Payment overview · 2025

General Payments

$310.87

3 reported records · 2 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
ACADIA Pharmaceuticals Inc Unresolved — no canonical attribution shown $180.9758.2%22025
Teva Pharmaceuticals USA, Inc. Unresolved — no canonical attribution shown $129.9041.8%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$310.873

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
NUPLAZID
Normalized: nuplazid
Drug ACADIA Pharmaceuticals Inc $180.97 2 2025
Source payment records
AUSTEDO XR
Normalized: austedo xr
Drug Teva Pharmaceuticals USA, Inc. $129.90 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
NUPLAZID
nuplazid
2025 Nuplazid 2024 18
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
ACADIA Pharmaceuticals Inc
Exact reporting entity; no affiliate inference
2025 NUPLAZID
open payments reported associated product
CMS Open Payments — General Payments
20845 supporting records · 6448 recipient NPIs · example record 1247763852
Nuplazid · 2024
Exact normalized brand match · 1 Part D row
18 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
Atorvastatin CalciumAtorvastatin Calcium1460255
Levothyroxine SodiumLevothyroxine Sodium1436193
Donepezil HclDonepezil Hcl1253142
FurosemideFurosemide1215191
Amlodipine BesylateAmlodipine Besylate1152156
Trazodone HclTrazodone Hcl1116131
Memantine HclMemantine Hcl98197
GabapentinGabapentin959147
Potassium ChloridePotassium Chloride875129
EliquisApixaban838101
Pantoprazole SodiumPantoprazole Sodium809160
Sertraline HclSertraline Hcl79387
Metoprolol TartrateMetoprolol Tartrate743126
Tamsulosin HclTamsulosin Hcl73998
LisinoprilLisinopril729112
Divalproex SodiumDivalproex Sodium66974
ClopidogrelClopidogrel Bisulfate61696
Metformin HclMetformin Hcl58986
LevetiracetamLevetiracetam50055
Tramadol HclTramadol Hcl482133
Buspirone HclBuspirone Hcl43055
Escitalopram OxalateEscitalopram Oxalate42860
MirtazapineMirtazapine41774
Losartan PotassiumLosartan Potassium41464
Fluoxetine HclFluoxetine Hcl37641
Acetaminophen-CodeineAcetaminophen With Codeine36494
Citalopram HbrCitalopram Hydrobromide33446
Montelukast SodiumMontelukast Sodium30538
Hydralazine HclHydralazine Hcl30056
LorazepamLorazepam30069
AlprazolamAlprazolam28566
Metoprolol SuccinateMetoprolol Succinate28453
SpironolactoneSpironolactone27546
Duloxetine HclDuloxetine Hcl27045
LactuloseLactulose26481
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen23349
BaclofenBaclofen22120
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20151
Carbidopa-LevodopaCarbidopa/Levodopa19523
ClonazepamClonazepam19535
TradjentaLinagliptin18318
CarvedilolCarvedilol17038
JanuviaSitagliptin Phosphate16713
Quetiapine FumarateQuetiapine Fumarate15728
Ondansetron HclOndansetron Hcl15486
SimvastatinSimvastatin14936
PregabalinPregabalin14623
Cyclobenzaprine HclCyclobenzaprine Hcl14229
Sevelamer CarbonateSevelamer Carbonate14216
Paroxetine HclParoxetine Hcl14018
RivastigmineRivastigmine138suppressed
Amiodarone HclAmiodarone Hcl13623
Midodrine HclMidodrine Hcl13338
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate13281
LantusInsulin Glargine,hum.Rec.Anlog13027
GlipizideGlipizide12924
TrulicityDulaglutide12821
FamotidineFamotidine12546
HydrochlorothiazideHydrochlorothiazide12416
FinasterideFinasteride11622
RivastigmineRivastigmine Tartrate114suppressed
Levemir FlexpenInsulin Detemir11227
LatanoprostLatanoprost11034
Phenytoin Sodium ExtendedPhenytoin Sodium Extended11011
Alendronate SodiumAlendronate Sodium10720
AllopurinolAllopurinol10318
Ropinirole HclRopinirole Hcl10213
LevemirInsulin Detemir10126
MyrbetriqMirabegron99suppressed
TemazepamTemazepam9822
Rosuvastatin CalciumRosuvastatin Calcium9626
AzithromycinAzithromycin9581
Hydroxyzine HclHydroxyzine Hcl9534
Oxybutynin ChlorideOxybutynin Chloride8915
Triamcinolone AcetonideTriamcinolone Acetonide8937
Doxycycline HyclateDoxycycline Hyclate8365
Glucagon Emergency KitGlucagon8339
OmeprazoleOmeprazole8226
OxcarbazepineOxcarbazepine82suppressed
Nifedipine ErNifedipine8011
Isosorbide Mononitrate ErIsosorbide Mononitrate7913
Megestrol AcetateMegestrol Acetate7933
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog7911
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav7759
MeloxicamMeloxicam7713
CilostazolCilostazol75suppressed
DigoxinDigoxin7513
Pravastatin SodiumPravastatin Sodium7215
Ciprofloxacin HclCiprofloxacin Hcl7161
XareltoRivaroxaban7114
SucralfateSucralfate7025
Lidocaine HclLidocaine Hcl6854
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide68suppressed
Metformin Hcl ErMetformin Hcl6814
NamzaricMemantine Hcl/Donepezil Hcl67suppressed
PrednisonePrednisone6731
CeftriaxoneCeftriaxone Sodium6557
SantylCollagenase Clostridium Hist.6425
Humalog Kwikpen U-100Insulin Lispro6231
JardianceEmpagliflozin6118
EntrestoSacubitril/Valsartan58suppressed
Propranolol HclPropranolol Hcl58suppressed
Kapspargo SprinkleMetoprolol Succinate5712
CarbamazepineCarbamazepine55suppressed
LacosamideLacosamide55suppressed
ScopolamineScopolamine54suppressed
Albuterol Sulfate HfaAlbuterol Sulfate5331
PhenobarbitalPhenobarbital53suppressed
RisperidoneRisperidone53suppressed
Bupropion Hcl SrBupropion Hcl52suppressed
Doxazosin MesylateDoxazosin Mesylate52suppressed
Fluticasone PropionateFluticasone Propionate5123
Albuterol SulfateAlbuterol Sulfate5030
BumetanideBumetanide50suppressed
EzetimibeEzetimibe4911
Benztropine MesylateBenztropine Mesylate48suppressed
ClonidineClonidine48suppressed
Metoclopramide HclMetoclopramide Hcl4811
AripiprazoleAripiprazole47suppressed
Diltiazem 24hr ErDiltiazem Hcl46suppressed
FarxigaDapagliflozin Propanediol4612
FenofibrateFenofibrate45suppressed
BudesonideBudesonide4427
HumalogInsulin Lispro4217
MethocarbamolMethocarbamol4226
Oxybutynin Chloride ErOxybutynin Chloride42suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate4014
MetolazoneMetolazone4013
NystatinNystatin4028
GlimepirideGlimepiride39suppressed
Tizanidine HclTizanidine Hcl3915
DapagliflozinDapagliflozin Propanediol3812
FenofibrateFenofibrate Nanocrystallized37suppressed
Venlafaxine HclVenlafaxine Hcl37suppressed
AtenololAtenolol36suppressed
Divalproex Sodium ErDivalproex Sodium36suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3627
Tresiba Flextouch U-100Insulin Degludec36suppressed
Diclofenac SodiumDiclofenac Sodium3513
Diltiazem 24hr Er (Cd)Diltiazem Hcl35suppressed
LamotrigineLamotrigine35suppressed
Clonidine HclClonidine Hcl3416
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride34suppressed
LevofloxacinLevofloxacin3430
LidocaineLidocaine34suppressed
OlanzapineOlanzapine34suppressed
XifaxanRifaximin34suppressed
Insulin LisproInsulin Lispro3316
Invega SustennaPaliperidone Palmitate33suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide32suppressed
Bupropion XlBupropion Hcl32suppressed
Carbamazepine ErCarbamazepine31suppressed
Glipizide ErGlipizide30suppressed
Brimonidine TartrateBrimonidine Tartrate29suppressed
Enoxaparin SodiumEnoxaparin Sodium2919
Folic AcidFolic Acid29suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro2918
Breo ElliptaFluticasone/Vilanterol28suppressed
CephalexinCephalexin2823
LinzessLinaclotide28suppressed
Ranolazine ErRanolazine28suppressed
HydrocortisoneHydrocortisone27suppressed
IbuprofenIbuprofen2711
NitroglycerinNitroglycerin2725
NystopNystatin2720
Valproic AcidValproic Acid (As Sodium Salt)27suppressed
Warfarin SodiumWarfarin Sodium27suppressed
Clindamycin HclClindamycin Hcl2621
ErtapenemErtapenem Sodium2612
KetoconazoleKetoconazole2616
CarisoprodolCarisoprodol25suppressed
FluconazoleFluconazole2522
Ondansetron OdtOndansetron2515
Hydroxyzine PamoateHydroxyzine Pamoate24suppressed
MupirocinMupirocin2418
Pramipexole DihydrochloridePramipexole Di-Hcl24suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog23suppressed
Isosorbide DinitrateIsosorbide Dinitrate23suppressed
LubiprostoneLubiprostone23suppressed
Medroxyprogesterone AcetateMedroxyprogesterone Acetate23suppressed
Venlafaxine Hcl ErVenlafaxine Hcl23suppressed
Vitamin D2Ergocalciferol (Vitamin D2)23suppressed
ZonisamideZonisamide23suppressed
BicalutamideBicalutamide22suppressed
Diltiazem HclDiltiazem Hcl22suppressed
Solifenacin SuccinateSolifenacin Succinate22suppressed
ThiothixeneThiothixene22suppressed
DiazepamDiazepam21suppressed
Timolol MaleateTimolol Maleate21suppressed
Advair HfaFluticasone Propion/Salmeterol20suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril20suppressed
Benazepril HclBenazepril Hcl20suppressed
LansoprazoleLansoprazole20suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
NaproxenNaproxen20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2016
Promethazine HclPromethazine Hcl2014
Calcium AcetateCalcium Acetate19suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters19suppressed
Paliperidone ErPaliperidone19suppressed
PrimidonePrimidone19suppressed
Cyproheptadine HclCyproheptadine Hcl18suppressed
Diltiazem 12hr ErDiltiazem Hcl18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn1811
Lidocaine HclLidocaine Hcl/Pf1816
NuplazidPimavanserin Tartrate18suppressed
PermethrinPermethrin1812
Prednisolone AcetatePrednisolone Acetate18suppressed
Raloxifene HclRaloxifene Hcl18suppressed
TopiramateTopiramate18suppressed
AptiomEslicarbazepine Acetate17suppressed
Glipizide-MetforminGlipizide/Metformin Hcl17suppressed
LovastatinLovastatin17suppressed
Meclizine HclMeclizine Hcl17suppressed
Novolog FlexpenInsulin Aspart17suppressed
OzempicSemaglutide17suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter17suppressed
ChlorthalidoneChlorthalidone16suppressed
Dicyclomine HclDicyclomine Hcl16suppressed
EstradiolEstradiol16suppressed
Lithium CarbonateLithium Carbonate16suppressed
NitrofurantoinNitrofurantoin Macrocrystal16suppressed
PentoxifyllinePentoxifylline16suppressed
Pioglitazone HclPioglitazone Hcl16suppressed
Quetiapine Fumarate ErQuetiapine Fumarate16suppressed
Sodium Chloride0.9 % Sodium Chloride1611
TravoprostTravoprost16suppressed
ValsartanValsartan16suppressed
Ammonium LactateAmmonium Lactate1513
Hydroxychloroquine SulfateHydroxychloroquine Sulfate15suppressed
Icosapent EthylIcosapent Ethyl15suppressed
Labetalol HclLabetalol Hcl15suppressed
RexultiBrexpiprazole15suppressed
Terazosin HclTerazosin Hcl15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med14suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
Incruse ElliptaUmeclidinium Bromide14suppressed
Levalbuterol HclLevalbuterol Hcl14suppressed
LokelmaSodium Zirconium Cyclosilicate14suppressed
MethimazoleMethimazole14suppressed
Sevelamer HclSevelamer Hcl14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
Bupropion HclBupropion Hcl13suppressed
Cinacalcet HclCinacalcet Hcl13suppressed
Doxycycline MonohydrateDoxycycline Monohydrate13suppressed
Fluocinolone AcetonideFluocinolone Acetonide13suppressed
Fluticasone-Salmeterol HfaFluticasone Propion/Salmeterol13suppressed
Insulin Aspart FlexpenInsulin Aspart13suppressed
Insulin Degludec Pen (U-100)Insulin Degludec13suppressed
LumiganBimatoprost13suppressed
Mirabegron ErMirabegron13suppressed
Nebivolol HclNebivolol Hcl13suppressed
NeuproRotigotine13suppressed
Fludrocortisone AcetateFludrocortisone Acetate12suppressed
Pyridostigmine BromidePyridostigmine Bromide12suppressed
Bethanechol ChlorideBethanechol Chloride11suppressed
EntacaponeEntacapone11suppressed
ErythromycinErythromycin Base11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Novofine AutocoverPen Needle, Diabetic, Safety11suppressed
Serevent DiskusSalmeterol Xinafoate11suppressed
SotalolSotalol Hcl11suppressed
ValacyclovirValacyclovir 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 $310.87 · 3 records ACADIA Pharmaceuticals Inc AUSTEDO XR, NUPLAZID 1
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