Healthcare provider profile · identity verified

Robbye Kaye Lengefeld, MD

Family Practice · HAMILTON, TX · NPI 1659360949

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

Brand	Generic	Claims	Beneficiaries
Levothyroxine Sodium	Levothyroxine Sodium	601	122
Gabapentin	Gabapentin	429	85
Pantoprazole Sodium	Pantoprazole Sodium	392	83
Lisinopril	Lisinopril	382	90
Rosuvastatin Calcium	Rosuvastatin Calcium	350	86
Atorvastatin Calcium	Atorvastatin Calcium	276	64
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	255	38
Metoprolol Succinate	Metoprolol Succinate	219	44
Amlodipine Besylate	Amlodipine Besylate	202	50
Escitalopram Oxalate	Escitalopram Oxalate	193	29
Omeprazole	Omeprazole	182	45
Potassium Chloride	Potassium Chloride	175	47
Metformin Hcl	Metformin Hcl	174	44
Fluticasone Propionate	Fluticasone Propionate	160	50
Furosemide	Furosemide	147	39
Sertraline Hcl	Sertraline Hcl	137	29
Losartan Potassium	Losartan Potassium	136	34
Duloxetine Hcl	Duloxetine Hcl	131	25
Hydrochlorothiazide	Hydrochlorothiazide	128	32
Ozempic	Semaglutide	125	20
Montelukast Sodium	Montelukast Sodium	124	25
Lorazepam	Lorazepam	122	22
Mounjaro	Tirzepatide	122	18
Simvastatin	Simvastatin	122	32
Trazodone Hcl	Trazodone Hcl	109	26
Carvedilol	Carvedilol	106	30
Metoprolol Tartrate	Metoprolol Tartrate	101	20
Alprazolam	Alprazolam	95	14
Tramadol Hcl	Tramadol Hcl	95	26
Trulicity	Dulaglutide	88	17
Solifenacin Succinate	Solifenacin Succinate	86	16
Tamsulosin Hcl	Tamsulosin Hcl	86	19
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	85	20
Ezetimibe	Ezetimibe	81	17
Alendronate Sodium	Alendronate Sodium	78	17
Glipizide	Glipizide	78	19
Citalopram Hbr	Citalopram Hydrobromide	74	20
Albuterol Sulfate Hfa	Albuterol Sulfate	72	24
Eliquis	Apixaban	72	12
Clopidogrel	Clopidogrel Bisulfate	67	16
Pravastatin Sodium	Pravastatin Sodium	62	17
Allopurinol	Allopurinol	57	11
Glimepiride	Glimepiride	56	12
Zolpidem Tartrate	Zolpidem Tartrate	52	suppressed
Meloxicam	Meloxicam	51	12
Metformin Hcl Er	Metformin Hcl	45	suppressed
Cefdinir	Cefdinir	44	36
Fluoxetine Hcl	Fluoxetine Hcl	44	11
Glipizide Er	Glipizide	44	suppressed
Buspirone Hcl	Buspirone Hcl	43	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	42	suppressed
Ropinirole Hcl	Ropinirole Hcl	41	suppressed
Xarelto	Rivaroxaban	40	suppressed
Temazepam	Temazepam	37	suppressed
Estradiol	Estradiol	35	13
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	35	suppressed
Lovastatin	Lovastatin	35	suppressed
Synthroid	Levothyroxine Sodium	35	11
Prednisone	Prednisone	33	18
Triamcinolone Acetonide	Triamcinolone Acetonide	33	18
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	33	suppressed
Pregabalin	Pregabalin	31	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	30	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	30	suppressed
Atenolol	Atenolol	29	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	28	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	27	suppressed
Spironolactone	Spironolactone	27	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	26	22
Bupropion Xl	Bupropion Hcl	25	suppressed
Spiriva Handihaler	Tiotropium Bromide	25	suppressed
Clonidine Hcl	Clonidine Hcl	24	suppressed
Paroxetine Cr	Paroxetine Hcl	24	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	23	suppressed
Memantine Hcl	Memantine Hcl	23	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	22	suppressed
Clonazepam	Clonazepam	22	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	22	suppressed
Nystatin	Nystatin	22	12
Lantus	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	21	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	20	suppressed
Bupropion Hcl Sr	Bupropion Hcl	20	suppressed
Celecoxib	Celecoxib	20	suppressed
Donepezil Hcl	Donepezil Hcl	20	suppressed
Paroxetine Hcl	Paroxetine Hcl	20	suppressed
Terazosin Hcl	Terazosin Hcl	20	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Januvia	Sitagliptin Phosphate	19	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	18	15
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	18	suppressed
Felodipine Er	Felodipine	18	suppressed
Fluconazole	Fluconazole	18	12
Ondansetron Hcl	Ondansetron Hcl	18	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	18	suppressed
Digoxin	Digoxin	17	suppressed
Mirtazapine	Mirtazapine	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Amoxicillin	Amoxicillin	14	13
Azithromycin	Azithromycin	14	12
Diltiazem Hcl	Diltiazem Hcl	14	suppressed
Humalog	Insulin Lispro	14	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	14	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	14	suppressed
Dexlansoprazole Dr	Dexlansoprazole	13	suppressed
Fentanyl	Fentanyl	13	suppressed
Levofloxacin	Levofloxacin	13	suppressed
Methocarbamol	Methocarbamol	13	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Diclofenac Sodium	Diclofenac Sodium	12	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Naproxen	Naproxen	12	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	12	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Bupropion Hcl	Bupropion Hcl	11	suppressed
Clobetasol Propionate	Clobetasol Propionate	11	suppressed
Diazepam	Diazepam	11	suppressed
Entresto	Sacubitril/Valsartan	11	suppressed
Estradiol (Twice Weekly)	Estradiol	11	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Minocycline Hcl	Minocycline Hcl	11	suppressed
Ondansetron Odt	Ondansetron	11	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	11	suppressed
Warfarin Sodium	Warfarin Sodium	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

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

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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