Healthcare provider profile · identity verified

Amber Rose Clapper, M.D.

Internal Medicine · SAN ANTONIO, TX · NPI 1205360005

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
Atorvastatin Calcium	Atorvastatin Calcium	390	112
Levothyroxine Sodium	Levothyroxine Sodium	276	74
Losartan Potassium	Losartan Potassium	258	81
Montelukast Sodium	Montelukast Sodium	253	78
Amlodipine Besylate	Amlodipine Besylate	219	67
Ozempic	Semaglutide	211	35
Gabapentin	Gabapentin	204	66
Fluticasone Propionate	Fluticasone Propionate	198	71
Hydrochlorothiazide	Hydrochlorothiazide	197	62
Lisinopril	Lisinopril	164	51
Metformin Hcl Er	Metformin Hcl	153	53
Pantoprazole Sodium	Pantoprazole Sodium	153	53
Famotidine	Famotidine	135	53
Omeprazole	Omeprazole	135	41
Simvastatin	Simvastatin	134	41
Pravastatin Sodium	Pravastatin Sodium	126	38
Ezetimibe	Ezetimibe	123	37
Hydroxyzine Hcl	Hydroxyzine Hcl	120	31
Albuterol Sulfate Hfa	Albuterol Sulfate	119	48
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	118	39
Azelastine Hcl	Azelastine Hcl	116	41
Rosuvastatin Calcium	Rosuvastatin Calcium	114	35
Metformin Hcl	Metformin Hcl	112	34
Metoprolol Succinate	Metoprolol Succinate	109	34
Furosemide	Furosemide	107	35
Alendronate Sodium	Alendronate Sodium	99	24
Trazodone Hcl	Trazodone Hcl	91	25
Duloxetine Hcl	Duloxetine Hcl	89	27
Spironolactone	Spironolactone	86	22
Metoprolol Tartrate	Metoprolol Tartrate	77	20
Jardiance	Empagliflozin	76	22
Tamsulosin Hcl	Tamsulosin Hcl	76	24
Carvedilol	Carvedilol	74	26
Mounjaro	Tirzepatide	67	15
Pioglitazone Hcl	Pioglitazone Hcl	64	16
Buspirone Hcl	Buspirone Hcl	63	15
Escitalopram Oxalate	Escitalopram Oxalate	52	16
Enalapril Maleate	Enalapril Maleate	49	14
Sertraline Hcl	Sertraline Hcl	49	17
Meclizine Hcl	Meclizine Hcl	48	19
Meloxicam	Meloxicam	48	20
Synthroid	Levothyroxine Sodium	48	suppressed
Bupropion Xl	Bupropion Hcl	46	15
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	46	15
Finasteride	Finasteride	45	14
Esomeprazole Magnesium	Esomeprazole Magnesium	44	11
Triamcinolone Acetonide	Triamcinolone Acetonide	42	23
Glipizide Er	Glipizide	41	11
Pregabalin	Pregabalin	41	20
Farxiga	Dapagliflozin Propanediol	40	suppressed
Januvia	Sitagliptin Phosphate	39	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	38	12
Potassium Chloride	Potassium Chloride	37	18
Symbicort	Budesonide/Formoterol Fumarate	37	suppressed
Trulicity	Dulaglutide	37	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	36	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	34	suppressed
Allopurinol	Allopurinol	33	12
Nifedipine Er	Nifedipine	32	suppressed
Myrbetriq	Mirabegron	31	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	31	suppressed
Baclofen	Baclofen	28	11
Citalopram Hbr	Citalopram Hydrobromide	28	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	28	suppressed
Ketoconazole	Ketoconazole	28	13
Dicyclomine Hcl	Dicyclomine Hcl	27	12
Mirtazapine	Mirtazapine	27	suppressed
Chlorthalidone	Chlorthalidone	26	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	26	suppressed
Prednisone	Prednisone	26	12
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	25	suppressed
Ibuprofen	Ibuprofen	25	suppressed
Ondansetron Hcl	Ondansetron Hcl	24	12
Tramadol Hcl	Tramadol Hcl	24	suppressed
Tresiba Flextouch U-100	Insulin Degludec	24	suppressed
Estradiol	Estradiol	23	suppressed
Ventolin Hfa	Albuterol Sulfate	23	suppressed
Lovastatin	Lovastatin	22	suppressed
Nystatin	Nystatin	22	suppressed
Clonazepam	Clonazepam	21	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	21	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	21	suppressed
Methylprednisolone	Methylprednisolone	21	21
Promethazine Hcl	Promethazine Hcl	21	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	20	suppressed
Valsartan	Valsartan	20	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	18	suppressed
Eliquis	Apixaban	18	suppressed
Mupirocin	Mupirocin	18	15
Ramipril	Ramipril	18	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Lidocaine	Lidocaine	17	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	17	suppressed
Novolog Flexpen	Insulin Aspart	17	suppressed
Topiramate	Topiramate	17	suppressed
Torsemide	Torsemide	17	suppressed
Atenolol	Atenolol	16	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	16	suppressed
Telmisartan	Telmisartan	16	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	16	suppressed
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Tresiba Flextouch U-200	Insulin Degludec	15	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	13
Glipizide	Glipizide	14	suppressed
Lorazepam	Lorazepam	14	suppressed
Nitroglycerin	Nitroglycerin	14	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	14	suppressed
Clopidogrel	Clopidogrel Bisulfate	13	suppressed
Donepezil Hcl	Donepezil Hcl	13	suppressed
Enulose	Lactulose	13	suppressed
Propranolol Hcl	Propranolol Hcl	13	suppressed
Tizanidine Hcl	Tizanidine Hcl	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Warfarin Sodium	Warfarin Sodium	12	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Anastrozole	Anastrozole	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	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