Healthcare provider profile · identity verified

Maggie Klein Gainer, MD

Family Practice · FREDERICKSBURG, TX · NPI 1477901346

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	359	89
Atorvastatin Calcium	Atorvastatin Calcium	305	79
Lisinopril	Lisinopril	217	56
Trazodone Hcl	Trazodone Hcl	191	38
Losartan Potassium	Losartan Potassium	186	55
Rosuvastatin Calcium	Rosuvastatin Calcium	182	56
Amlodipine Besylate	Amlodipine Besylate	163	49
Metformin Hcl	Metformin Hcl	132	37
Tramadol Hcl	Tramadol Hcl	131	28
Pantoprazole Sodium	Pantoprazole Sodium	128	47
Gabapentin	Gabapentin	122	35
Omeprazole	Omeprazole	118	38
Pravastatin Sodium	Pravastatin Sodium	105	29
Hydrochlorothiazide	Hydrochlorothiazide	104	36
Sertraline Hcl	Sertraline Hcl	100	27
Alprazolam	Alprazolam	98	14
Albuterol Sulfate Hfa	Albuterol Sulfate	96	30
Duloxetine Hcl	Duloxetine Hcl	93	21
Simvastatin	Simvastatin	89	25
Tamsulosin Hcl	Tamsulosin Hcl	88	21
Metoprolol Succinate	Metoprolol Succinate	77	21
Montelukast Sodium	Montelukast Sodium	75	23
Tizanidine Hcl	Tizanidine Hcl	75	22
Furosemide	Furosemide	73	25
Ozempic	Semaglutide	72	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	70	suppressed
Buspirone Hcl	Buspirone Hcl	62	14
Mounjaro	Tirzepatide	61	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	59	12
Fluticasone Propionate	Fluticasone Propionate	58	21
Ezetimibe	Ezetimibe	55	17
Metoprolol Tartrate	Metoprolol Tartrate	55	15
Potassium Chloride	Potassium Chloride	54	13
Atenolol	Atenolol	53	13
Amitriptyline Hcl	Amitriptyline Hcl	51	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	51	suppressed
Bupropion Xl	Bupropion Hcl	49	16
Finasteride	Finasteride	48	suppressed
Synthroid	Levothyroxine Sodium	47	11
Allopurinol	Allopurinol	45	13
Temazepam	Temazepam	41	suppressed
Alendronate Sodium	Alendronate Sodium	40	13
Jardiance	Empagliflozin	40	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	40	suppressed
Donepezil Hcl	Donepezil Hcl	38	suppressed
Mirtazapine	Mirtazapine	38	suppressed
Clonazepam	Clonazepam	37	suppressed
Meloxicam	Meloxicam	36	16
Escitalopram Oxalate	Escitalopram Oxalate	35	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	33	suppressed
Januvia	Sitagliptin Phosphate	32	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	31	suppressed
Carvedilol	Carvedilol	30	suppressed
Digoxin	Digoxin	29	suppressed
Metformin Hcl Er	Metformin Hcl	29	suppressed
Methocarbamol	Methocarbamol	29	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	29	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	29	suppressed
Citalopram Hbr	Citalopram Hydrobromide	28	suppressed
Glimepiride	Glimepiride	28	suppressed
Lorazepam	Lorazepam	28	suppressed
Trulicity	Dulaglutide	28	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	27	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	27	suppressed
Estradiol	Estradiol	26	suppressed
Valsartan	Valsartan	25	suppressed
Clonidine Hcl	Clonidine Hcl	24	suppressed
Famotidine	Famotidine	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Spironolactone	Spironolactone	24	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	24	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	23	suppressed
Prednisone	Prednisone	23	12
Advair Hfa	Fluticasone Propion/Salmeterol	22	suppressed
Eliquis	Apixaban	22	suppressed
Breo Ellipta	Fluticasone/Vilanterol	21	suppressed
Myrbetriq	Mirabegron	21	suppressed
Nifedipine Er	Nifedipine	21	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	21	suppressed
Clopidogrel	Clopidogrel Bisulfate	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	20	18
Cephalexin	Cephalexin	19	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Glipizide	Glipizide	19	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	19	suppressed
Fenofibrate	Fenofibrate	18	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	18	17
Solifenacin Succinate	Solifenacin Succinate	18	suppressed
Azithromycin	Azithromycin	17	15
Gemfibrozil	Gemfibrozil	17	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Latanoprost	Latanoprost	17	suppressed
Xarelto	Rivaroxaban	17	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	15	suppressed
Lovastatin	Lovastatin	15	suppressed
Promethazine Hcl	Promethazine Hcl	15	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	15	suppressed
Methylprednisolone	Methylprednisolone	14	13
Nystatin	Nystatin	14	11
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	13	suppressed
Chlorthalidone	Chlorthalidone	13	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	13	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	13	suppressed
Nebivolol Hcl	Nebivolol Hcl	13	suppressed
Carbamazepine	Carbamazepine	12	suppressed
Celecoxib	Celecoxib	12	suppressed
Diclofenac Sodium	Diclofenac Sodium	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Entresto	Sacubitril/Valsartan	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Torsemide	Torsemide	12	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	11	suppressed
Ibuprofen	Ibuprofen	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