Healthcare provider profile · identity verified

David Frederik Nitschmann, MD

Family Practice · ALPINE, TX · NPI 1518580315

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	242	86
Lisinopril	Lisinopril	211	84
Atorvastatin Calcium	Atorvastatin Calcium	172	80
Pantoprazole Sodium	Pantoprazole Sodium	141	53
Amlodipine Besylate	Amlodipine Besylate	131	56
Ipratropium Bromide	Ipratropium Bromide	121	67
Meloxicam	Meloxicam	118	61
Losartan Potassium	Losartan Potassium	110	50
Gabapentin	Gabapentin	108	48
Rosuvastatin Calcium	Rosuvastatin Calcium	108	45
Duloxetine Hcl	Duloxetine Hcl	103	41
Alprazolam	Alprazolam	94	22
Celecoxib	Celecoxib	93	36
Tramadol Hcl	Tramadol Hcl	93	31
Furosemide	Furosemide	89	41
Tamsulosin Hcl	Tamsulosin Hcl	86	37
Escitalopram Oxalate	Escitalopram Oxalate	85	33
Metoprolol Succinate	Metoprolol Succinate	82	33
Montelukast Sodium	Montelukast Sodium	82	29
Albuterol Sulfate Hfa	Albuterol Sulfate	81	37
Fluticasone Propionate	Fluticasone Propionate	79	39
Potassium Chloride	Potassium Chloride	78	26
Prednisone	Prednisone	77	48
Metformin Hcl	Metformin Hcl	76	26
Trazodone Hcl	Trazodone Hcl	72	27
Clonazepam	Clonazepam	70	14
Pregabalin	Pregabalin	69	21
Zolpidem Tartrate	Zolpidem Tartrate	68	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	67	20
Omeprazole	Omeprazole	67	30
Ozempic	Semaglutide	67	11
Eliquis	Apixaban	65	17
Hydrochlorothiazide	Hydrochlorothiazide	64	30
Buspirone Hcl	Buspirone Hcl	59	23
Lorazepam	Lorazepam	59	12
Famotidine	Famotidine	56	30
Metformin Hcl Er	Metformin Hcl	56	27
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	53	27
Ondansetron Odt	Ondansetron	52	25
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	52	15
Mirtazapine	Mirtazapine	50	15
Bupropion Xl	Bupropion Hcl	48	18
Farxiga	Dapagliflozin Propanediol	46	suppressed
Methocarbamol	Methocarbamol	43	28
Chlorthalidone	Chlorthalidone	42	15
Clopidogrel	Clopidogrel Bisulfate	40	13
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	39	35
Jardiance	Empagliflozin	39	15
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	39	13
Simvastatin	Simvastatin	38	17
Pravastatin Sodium	Pravastatin Sodium	37	15
Amitriptyline Hcl	Amitriptyline Hcl	35	14
Azithromycin	Azithromycin	35	30
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	35	13
Alendronate Sodium	Alendronate Sodium	32	11
Carvedilol	Carvedilol	32	14
Sertraline Hcl	Sertraline Hcl	31	11
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	31	28
Trulicity	Dulaglutide	28	suppressed
Diclofenac Sodium	Diclofenac Sodium	27	17
Mupirocin	Mupirocin	27	18
Sucralfate	Sucralfate	27	15
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	26	suppressed
Xarelto	Rivaroxaban	26	suppressed
Humalog Kwikpen U-100	Insulin Lispro	25	suppressed
Allopurinol	Allopurinol	23	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	23	13
Metoprolol Tartrate	Metoprolol Tartrate	23	14
Prazosin Hcl	Prazosin Hcl	23	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	23	12
Acetaminophen-Codeine	Acetaminophen With Codeine	22	suppressed
Azelastine Hcl	Azelastine Hcl	22	suppressed
Myrbetriq	Mirabegron	22	suppressed
Spironolactone	Spironolactone	22	suppressed
Linzess	Linaclotide	21	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Synthroid	Levothyroxine Sodium	21	suppressed
Baclofen	Baclofen	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	19	suppressed
Latanoprost	Latanoprost	19	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	18	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	18	suppressed
Fluconazole	Fluconazole	17	14
Morphine Sulfate	Morphine Sulfate	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Warfarin Sodium	Warfarin Sodium	17	suppressed
Creon	Lipase/Protease/Amylase	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	16	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	15	suppressed
Cephalexin	Cephalexin	15	12
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	15	suppressed
Ezetimibe	Ezetimibe	15	suppressed
Propranolol Hcl Er	Propranolol Hcl	15	suppressed
Tradjenta	Linagliptin	15	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	14	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	14	suppressed
Citalopram Hbr	Citalopram Hydrobromide	14	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	14	suppressed
Donepezil Hcl	Donepezil Hcl	14	suppressed
Hydrocortisone	Hydrocortisone	14	suppressed
Levemir	Insulin Detemir	14	suppressed
Ofloxacin	Ofloxacin	14	13
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Fentanyl	Fentanyl	13	suppressed
Glipizide	Glipizide	13	suppressed
Levetiracetam	Levetiracetam	13	suppressed
Levofloxacin	Levofloxacin	13	12
Tizanidine Hcl	Tizanidine Hcl	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	12	suppressed
Bumetanide	Bumetanide	12	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	12	suppressed
Estradiol	Estradiol	12	suppressed
Glipizide Er	Glipizide	12	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Januvia	Sitagliptin Phosphate	12	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	12	suppressed
Naproxen	Naproxen	12	suppressed
Nystatin	Nystatin	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Finasteride	Finasteride	11	suppressed
Metronidazole	Metronidazole	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	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

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