Healthcare provider profile · identity verified

Colleen Shendow

Physician Assistant · WINCHESTER, VA · NPI 1912444167

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	451	124
Amlodipine Besylate	Amlodipine Besylate	444	127
Levothyroxine Sodium	Levothyroxine Sodium	350	96
Rosuvastatin Calcium	Rosuvastatin Calcium	339	98
Lisinopril	Lisinopril	243	72
Losartan Potassium	Losartan Potassium	219	68
Metoprolol Succinate	Metoprolol Succinate	211	57
Gabapentin	Gabapentin	210	67
Metformin Hcl	Metformin Hcl	208	60
Tamsulosin Hcl	Tamsulosin Hcl	154	45
Furosemide	Furosemide	152	43
Hydrochlorothiazide	Hydrochlorothiazide	146	49
Metformin Hcl Er	Metformin Hcl	145	38
Pantoprazole Sodium	Pantoprazole Sodium	145	43
Omeprazole	Omeprazole	132	41
Trazodone Hcl	Trazodone Hcl	126	35
Metoprolol Tartrate	Metoprolol Tartrate	124	39
Prednisone	Prednisone	121	92
Pravastatin Sodium	Pravastatin Sodium	120	33
Eliquis	Apixaban	118	29
Ozempic	Semaglutide	112	21
Sertraline Hcl	Sertraline Hcl	109	32
Allopurinol	Allopurinol	103	28
Simvastatin	Simvastatin	103	31
Jardiance	Empagliflozin	96	24
Valsartan	Valsartan	96	29
Albuterol Sulfate Hfa	Albuterol Sulfate	93	37
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	89	23
Zolpidem Tartrate	Zolpidem Tartrate	89	28
Carvedilol	Carvedilol	79	23
Potassium Chloride	Potassium Chloride	79	26
Glimepiride	Glimepiride	68	17
Duloxetine Hcl	Duloxetine Hcl	65	18
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	63	18
Montelukast Sodium	Montelukast Sodium	63	18
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	63	21
Alprazolam	Alprazolam	61	19
Triamcinolone Acetonide	Triamcinolone Acetonide	61	23
Warfarin Sodium	Warfarin Sodium	60	13
Pregabalin	Pregabalin	59	11
Chlorthalidone	Chlorthalidone	58	16
Meloxicam	Meloxicam	58	24
Escitalopram Oxalate	Escitalopram Oxalate	56	13
Tramadol Hcl	Tramadol Hcl	56	24
Lorazepam	Lorazepam	54	16
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	51	17
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	50	13
Clopidogrel	Clopidogrel Bisulfate	49	17
Fluticasone Propionate	Fluticasone Propionate	49	14
Buspirone Hcl	Buspirone Hcl	46	11
Spironolactone	Spironolactone	46	14
Atenolol	Atenolol	44	13
Rybelsus	Semaglutide	43	suppressed
Bupropion Xl	Bupropion Hcl	41	11
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	41	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	41	12
Doxepin Hcl	Doxepin Hcl	40	suppressed
Ropinirole Hcl	Ropinirole Hcl	39	suppressed
Breo Ellipta	Fluticasone/Vilanterol	36	suppressed
Tizanidine Hcl	Tizanidine Hcl	35	suppressed
Diazepam	Diazepam	34	suppressed
Ezetimibe	Ezetimibe	34	14
Alendronate Sodium	Alendronate Sodium	33	suppressed
Estradiol	Estradiol	33	12
Lovastatin	Lovastatin	33	suppressed
Synthroid	Levothyroxine Sodium	33	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	32	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	32	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	32	suppressed
Azithromycin	Azithromycin	31	31
Labetalol Hcl	Labetalol Hcl	29	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	29	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	28	suppressed
Propranolol Hcl Er	Propranolol Hcl	28	suppressed
Cephalexin	Cephalexin	27	26
Citalopram Hbr	Citalopram Hydrobromide	27	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	27	26
Finasteride	Finasteride	27	suppressed
Novolog Flexpen	Insulin Aspart	26	suppressed
Benazepril Hcl	Benazepril Hcl	25	suppressed
Donepezil Hcl	Donepezil Hcl	25	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	25	suppressed
Januvia	Sitagliptin Phosphate	24	suppressed
Celecoxib	Celecoxib	23	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	23	12
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Mounjaro	Tirzepatide	22	suppressed
Myrbetriq	Mirabegron	22	suppressed
Valacyclovir	Valacyclovir Hcl	22	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	21	suppressed
Ketoconazole	Ketoconazole	21	11
Propranolol Hcl	Propranolol Hcl	21	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	21	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	20	suppressed
Trulicity	Dulaglutide	20	suppressed
Clonazepam	Clonazepam	18	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	18	suppressed
Famotidine	Famotidine	18	suppressed
Hydralazine Hcl	Hydralazine Hcl	18	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	17
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	17	17
Ramipril	Ramipril	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Cefuroxime	Cefuroxime Axetil	16	13
Droplet Pen Needle	Pen Needle, Diabetic	16	suppressed
Meclizine Hcl	Meclizine Hcl	16	11
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Xarelto	Rivaroxaban	16	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	15	suppressed
Clotrimazole	Clotrimazole	15	13
Efavirenz-Emtric-Tenofov Disop	Efavirenz/Emtricit/Tenofovr Df	15	suppressed
Glipizide	Glipizide	15	suppressed
Nystatin	Nystatin	15	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	15	suppressed
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Azelastine Hcl	Azelastine Hcl	14	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Glipizide Er	Glipizide	14	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	14	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	13	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	13	suppressed
Cholestyramine Light	Cholestyramine	13	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	13	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	13	suppressed
Fenofibrate	Fenofibrate	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Nitroglycerin	Nitroglycerin	13	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Omeprazole-Sodium Bicarbonate	Omeprazole/Sodium Bicarbonate	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Tresiba Flextouch U-100	Insulin Degludec	13	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	13	suppressed
Colchicine	Colchicine	12	suppressed
Naproxen	Naproxen	12	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	12	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Methocarbamol	Methocarbamol	11	suppressed
Oxycodone Hcl	Oxycodone Hcl	11	suppressed
Temazepam	Temazepam	11	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	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