Healthcare provider profile · identity verified

David Christopher Black, M.D.

Internal Medicine · BIRMINGHAM, AL · NPI 1457324352

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
Rosuvastatin CalciumRosuvastatin Calcium409126
Atorvastatin CalciumAtorvastatin Calcium396123
Levothyroxine SodiumLevothyroxine Sodium32892
Amlodipine BesylateAmlodipine Besylate28882
LisinoprilLisinopril22969
FamotidineFamotidine22770
Metformin HclMetformin Hcl21865
Zolpidem TartrateZolpidem Tartrate20238
SimvastatinSimvastatin18553
AlprazolamAlprazolam16330
Trazodone HclTrazodone Hcl14447
Tamsulosin HclTamsulosin Hcl14144
Escitalopram OxalateEscitalopram Oxalate13941
Duloxetine HclDuloxetine Hcl13830
OmeprazoleOmeprazole13340
ClonazepamClonazepam13023
Metoprolol SuccinateMetoprolol Succinate12041
GabapentinGabapentin11824
Potassium ChloridePotassium Chloride11741
MeloxicamMeloxicam11534
Losartan PotassiumLosartan Potassium11434
Pantoprazole SodiumPantoprazole Sodium11037
HydrochlorothiazideHydrochlorothiazide10835
EliquisApixaban10020
Sertraline HclSertraline Hcl9828
Olmesartan MedoxomilOlmesartan Medoxomil9627
JanuviaSitagliptin Phosphate9415
SynthroidLevothyroxine Sodium8824
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide8320
FarxigaDapagliflozin Propanediol8123
Bupropion XlBupropion Hcl7520
EzetimibeEzetimibe7423
MethocarbamolMethocarbamol7320
Montelukast SodiumMontelukast Sodium6918
LorazepamLorazepam6719
Buspirone HclBuspirone Hcl6513
AllopurinolAllopurinol6424
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril6420
JardianceEmpagliflozin6214
Albuterol Sulfate HfaAlbuterol Sulfate6126
AzithromycinAzithromycin5848
Esomeprazole MagnesiumEsomeprazole Magnesium5819
PregabalinPregabalin58suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5718
CelecoxibCelecoxib5624
GlimepirideGlimepiride5518
FurosemideFurosemide5420
OzempicSemaglutide5411
MounjaroTirzepatide53suppressed
Ropinirole HclRopinirole Hcl5314
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim5129
Pravastatin SodiumPravastatin Sodium5014
CefdinirCefdinir4839
Benazepril HclBenazepril Hcl4714
CarvedilolCarvedilol4514
Donepezil HclDonepezil Hcl4515
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4515
AtenololAtenolol4414
Quetiapine FumarateQuetiapine Fumarate41suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide4012
ValacyclovirValacyclovir Hcl4015
Desvenlafaxine Succinate ErDesvenlafaxine Succinate39suppressed
Tramadol HclTramadol Hcl3913
FenofibrateFenofibrate Nanocrystallized37suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride37suppressed
Metformin Hcl ErMetformin Hcl3711
FluconazoleFluconazole3515
MethylprednisoloneMethylprednisolone3528
LinzessLinaclotide34suppressed
RybelsusSemaglutide34suppressed
EstradiolEstradiol3211
Fluticasone PropionateFluticasone Propionate3111
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid31suppressed
BaclofenBaclofen30suppressed
Sumatriptan SuccinateSumatriptan Succinate30suppressed
Janumet XrSitagliptin Phos/Metformin Hcl28suppressed
Memantine HclMemantine Hcl27suppressed
Tizanidine HclTizanidine Hcl2711
Alendronate SodiumAlendronate Sodium26suppressed
Amitriptyline HclAmitriptyline Hcl26suppressed
ValsartanValsartan26suppressed
PrimidonePrimidone25suppressed
TestosteroneTestosterone25suppressed
CephalexinCephalexin2414
RamiprilRamipril24suppressed
Azelastine HclAzelastine Hcl22suppressed
Citalopram HbrCitalopram Hydrobromide22suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl22suppressed
NystatinNystatin2211
ClopidogrelClopidogrel Bisulfate21suppressed
FinasterideFinasteride21suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
Glipizide ErGlipizide21suppressed
KerendiaFinerenone21suppressed
Metoprolol TartrateMetoprolol Tartrate21suppressed
Ondansetron HclOndansetron Hcl21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Bisoprolol FumarateBisoprolol Fumarate20suppressed
ChlorthalidoneChlorthalidone20suppressed
Hydralazine HclHydralazine Hcl20suppressed
PaxlovidNirmatrelvir/Ritonavir2020
Pioglitazone HclPioglitazone Hcl20suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide20suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med19suppressed
DiazepamDiazepam19suppressed
Doxycycline HyclateDoxycycline Hyclate1915
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen1914
TemazepamTemazepam19suppressed
Ciprofloxacin HclCiprofloxacin Hcl1717
FenofibrateFenofibrate17suppressed
Risedronate SodiumRisedronate Sodium17suppressed
SpironolactoneSpironolactone17suppressed
DutasterideDutasteride16suppressed
Nebivolol HclNebivolol Hcl16suppressed
Dilt-XrDiltiazem Hcl15suppressed
Testosterone CypionateTestosterone Cypionate15suppressed
ColchicineColchicine14suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)14suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
EszopicloneEszopiclone14suppressed
JanumetSitagliptin Phos/Metformin Hcl14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Paroxetine HclParoxetine Hcl14suppressed
SynjardyEmpagliflozin/Metformin Hcl14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
Breo ElliptaFluticasone/Vilanterol13suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine13suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1311
NitroglycerinNitroglycerin13suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1313
Diltiazem 12hr ErDiltiazem Hcl12suppressed
HydrocortisoneHydrocortisone12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
LevofloxacinLevofloxacin12suppressed
Nifedipine ErNifedipine12suppressed
Nortriptyline HclNortriptyline Hcl12suppressed
RizatriptanRizatriptan Benzoate12suppressed
XareltoRivaroxaban12suppressed
CholestyramineCholestyramine (With Sugar)11suppressed
Clonidine HclClonidine Hcl11suppressed
DottiEstradiol11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
GlipizideGlipizide11suppressed
Propranolol HclPropranolol Hcl11suppressed
TelmisartanTelmisartan11suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter11suppressed
TrimethoprimTrimethoprim11suppressed
Vilazodone HclVilazodone 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