Healthcare provider profile · identity verified

Robert L Frederickson, MD

Family Practice · SEDALIA, MO · NPI 1730146226

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	939	178
Lisinopril	Lisinopril	652	133
Levothyroxine Sodium	Levothyroxine Sodium	572	78
Amlodipine Besylate	Amlodipine Besylate	549	111
Gabapentin	Gabapentin	467	60
Eliquis	Apixaban	435	33
Furosemide	Furosemide	423	65
Metformin Hcl	Metformin Hcl	404	83
Omeprazole	Omeprazole	404	74
Metoprolol Tartrate	Metoprolol Tartrate	343	45
Metoprolol Succinate	Metoprolol Succinate	334	60
Tamsulosin Hcl	Tamsulosin Hcl	328	57
Allopurinol	Allopurinol	276	49
Hydrochlorothiazide	Hydrochlorothiazide	243	58
Irbesartan	Irbesartan	234	45
Pantoprazole Sodium	Pantoprazole Sodium	216	35
Losartan Potassium	Losartan Potassium	187	29
Sertraline Hcl	Sertraline Hcl	186	28
Donepezil Hcl	Donepezil Hcl	185	13
Chlorthalidone	Chlorthalidone	179	48
Spironolactone	Spironolactone	175	22
Memantine Hcl	Memantine Hcl	174	suppressed
Duloxetine Hcl	Duloxetine Hcl	152	15
Famotidine	Famotidine	148	18
Ozempic	Semaglutide	148	18
Jardiance	Empagliflozin	131	13
Finasteride	Finasteride	130	20
Quetiapine Fumarate	Quetiapine Fumarate	121	15
Clonazepam	Clonazepam	120	15
Fluticasone Propionate	Fluticasone Propionate	119	33
Trazodone Hcl	Trazodone Hcl	115	19
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	107	27
Warfarin Sodium	Warfarin Sodium	107	20
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	104	23
Meloxicam	Meloxicam	103	16
Escitalopram Oxalate	Escitalopram Oxalate	101	15
Tramadol Hcl	Tramadol Hcl	99	15
Celecoxib	Celecoxib	97	12
Clopidogrel	Clopidogrel Bisulfate	93	19
Albuterol Sulfate Hfa	Albuterol Sulfate	92	29
Simvastatin	Simvastatin	85	23
Torsemide	Torsemide	84	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	80	39
Carvedilol	Carvedilol	76	13
Doxazosin Mesylate	Doxazosin Mesylate	76	20
Pravastatin Sodium	Pravastatin Sodium	74	20
Alendronate Sodium	Alendronate Sodium	73	19
Citalopram Hbr	Citalopram Hydrobromide	71	14
Phenytoin Sodium Extended	Phenytoin Sodium Extended	68	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	67	suppressed
Potassium Chloride	Potassium Chloride	67	17
Ropinirole Hcl	Ropinirole Hcl	65	suppressed
Glipizide Er	Glipizide	64	17
Cephalexin	Cephalexin	63	42
Rosuvastatin Calcium	Rosuvastatin Calcium	61	16
Mirtazapine	Mirtazapine	60	suppressed
Montelukast Sodium	Montelukast Sodium	60	13
Atenolol	Atenolol	58	14
Oxybutynin Chloride	Oxybutynin Chloride	56	suppressed
Glipizide	Glipizide	54	13
Naproxen	Naproxen	54	11
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	53	suppressed
Xarelto	Rivaroxaban	52	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	50	12
Prednisone	Prednisone	50	22
Dilantin	Phenytoin Sodium Extended	48	suppressed
Safetyglide Insulin Syringe	Syringe,needle,insuln,safe,1ml	48	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	47	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	46	11
Fentanyl	Fentanyl	44	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	43	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	43	13
Diclofenac Sodium	Diclofenac Sodium	42	11
Myrbetriq	Mirabegron	40	suppressed
Paroxetine Hcl	Paroxetine Hcl	40	11
Anastrozole	Anastrozole	39	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	37	37
Nuedexta	Dextromethorphan Hbr/Quinidine	37	suppressed
Alprazolam	Alprazolam	36	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	36	suppressed
Betamethasone Valerate	Betamethasone Valerate	35	suppressed
Ibuprofen	Ibuprofen	35	suppressed
Nifedipine Er	Nifedipine	35	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	34	34
Benazepril Hcl	Benazepril Hcl	34	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	33	21
Levetiracetam	Levetiracetam	33	suppressed
Metformin Hcl Er	Metformin Hcl	33	suppressed
Azithromycin	Azithromycin	32	23
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	32	suppressed
Valsartan	Valsartan	32	suppressed
Latanoprost	Latanoprost	29	suppressed
Tresiba	Insulin Degludec	29	suppressed
Amiloride Hcl	Amiloride Hcl	28	suppressed
Lovastatin	Lovastatin	28	suppressed
Hydralazine Hcl	Hydralazine Hcl	27	suppressed
Westab Plus	Pnv,calcium 72/Iron/Folic Acid	27	suppressed
Cilostazol	Cilostazol	26	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	26	suppressed
Synthroid	Levothyroxine Sodium	26	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	25	suppressed
Ipratropium Bromide	Ipratropium Bromide	25	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	25	suppressed
Acyclovir	Acyclovir	24	13
Insulin Syringe	Syringe And Needle,insulin,1ml	24	11
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	24	suppressed
Memantine Hcl Er	Memantine Hcl	24	suppressed
Mesalamine Er	Mesalamine	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Rexulti	Brexpiprazole	24	suppressed
Unifine Safecontrol Pen Needle	Pen Needle,dual Safety,diabetc	24	suppressed
Cholestyramine Light	Cholestyramine	23	suppressed
Lorazepam	Lorazepam	23	suppressed
Ventolin Hfa	Albuterol Sulfate	23	suppressed
Loperamide	Loperamide Hcl	22	suppressed
Raloxifene Hcl	Raloxifene Hcl	22	suppressed
Buspirone Hcl	Buspirone Hcl	21	suppressed
Estradiol	Estradiol	21	suppressed
Baclofen	Baclofen	20	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	20	19
Amiodarone Hcl	Amiodarone Hcl	19	suppressed
Diltiazem Hcl	Diltiazem Hcl	19	suppressed
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	19	suppressed
Ketoconazole	Ketoconazole	19	suppressed
Novolog Mix 70-30	Insulin Aspart Prot/Insuln Asp	19	suppressed
Cefdinir	Cefdinir	18	13
Levofloxacin	Levofloxacin	18	suppressed
Methotrexate	Methotrexate Sodium	18	suppressed
Clonidine Hcl	Clonidine Hcl	17	suppressed
Diazepam	Diazepam	17	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	17	suppressed
Tiadylt Er	Diltiazem Hcl	17	suppressed
Arnuity Ellipta	Fluticasone Furoate	16	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	16	suppressed
Propranolol Hcl	Propranolol Hcl	16	suppressed
Ramipril	Ramipril	16	suppressed
Testosterone Cypionate	Testosterone Cypionate	16	suppressed
Tresiba Flextouch U-200	Insulin Degludec	16	suppressed
Entresto	Sacubitril/Valsartan	15	suppressed
Febuxostat	Febuxostat	15	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	15	suppressed
Trulicity	Dulaglutide	15	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	14	suppressed
Amoxicillin	Amoxicillin	14	12
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Sotalol	Sotalol Hcl	14	suppressed
Tresiba Flextouch U-100	Insulin Degludec	14	suppressed
Valacyclovir	Valacyclovir Hcl	14	suppressed
Carbamazepine Er	Carbamazepine	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Enalapril Maleate	Enalapril Maleate	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	13	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Aripiprazole	Aripiprazole	12	suppressed
Bupropion Xl	Bupropion Hcl	12	suppressed
Divalproex Sodium	Divalproex Sodium	12	suppressed
Divalproex Sodium Er	Divalproex Sodium	12	suppressed
Dropsafe Pen Needle	Pen Needle, Diabetic, Safety	12	suppressed
Humalog	Insulin Lispro	12	suppressed
Imipramine Hcl	Imipramine Hcl	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	12	suppressed
Rybelsus	Semaglutide	12	suppressed
Acetazolamide	Acetazolamide	11	suppressed
Admelog	Insulin Lispro	11	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	11	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Mounjaro	Tirzepatide	11	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	11	suppressed
Ondansetron Odt	Ondansetron	11	suppressed
Rivastigmine	Rivastigmine	11	suppressed
Tizanidine Hcl	Tizanidine Hcl	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	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