Healthcare provider profile · identity verified

Tamara Jean Collins, M.D.

Internal Medicine · CROSSVILLE, TN · NPI 1104971308

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	1687	477
Lisinopril	Lisinopril	886	266
Levothyroxine Sodium	Levothyroxine Sodium	873	236
Metformin Hcl Er	Metformin Hcl	510	154
Losartan Potassium	Losartan Potassium	436	132
Omeprazole	Omeprazole	412	136
Amlodipine Besylate	Amlodipine Besylate	411	124
Fluticasone Propionate	Fluticasone Propionate	398	213
Rosuvastatin Calcium	Rosuvastatin Calcium	325	92
Ezetimibe	Ezetimibe	291	87
Metoprolol Succinate	Metoprolol Succinate	285	98
Carvedilol	Carvedilol	257	81
Pantoprazole Sodium	Pantoprazole Sodium	247	75
Hydrochlorothiazide	Hydrochlorothiazide	238	71
Metformin Hcl	Metformin Hcl	235	66
Montelukast Sodium	Montelukast Sodium	230	71
Escitalopram Oxalate	Escitalopram Oxalate	220	73
Lovastatin	Lovastatin	214	61
Alendronate Sodium	Alendronate Sodium	202	62
Famotidine	Famotidine	191	66
Ozempic	Semaglutide	175	38
Sertraline Hcl	Sertraline Hcl	172	53
Methylprednisolone	Methylprednisolone	156	129
Nifedipine Er	Nifedipine	152	48
Tamsulosin Hcl	Tamsulosin Hcl	151	47
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	148	41
Metoprolol Tartrate	Metoprolol Tartrate	141	41
Glipizide Er	Glipizide	131	41
Eliquis	Apixaban	126	40
Simvastatin	Simvastatin	120	32
Potassium Chloride	Potassium Chloride	116	35
Albuterol Sulfate Hfa	Albuterol Sulfate	106	67
Furosemide	Furosemide	103	30
Trazodone Hcl	Trazodone Hcl	101	34
Clopidogrel	Clopidogrel Bisulfate	100	33
Synthroid	Levothyroxine Sodium	100	29
Allopurinol	Allopurinol	95	28
Pravastatin Sodium	Pravastatin Sodium	95	30
Jardiance	Empagliflozin	89	30
Fenofibrate	Fenofibrate,micronized	78	20
Citalopram Hbr	Citalopram Hydrobromide	74	19
Duloxetine Hcl	Duloxetine Hcl	73	24
Spironolactone	Spironolactone	71	25
Meloxicam	Meloxicam	70	27
Hydralazine Hcl	Hydralazine Hcl	69	24
Atenolol	Atenolol	65	17
Esomeprazole Magnesium	Esomeprazole Magnesium	65	20
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	63	16
Ciprofloxacin Hcl	Ciprofloxacin Hcl	59	51
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	59	28
Finasteride	Finasteride	57	16
Oxybutynin Chloride Er	Oxybutynin Chloride	52	15
Diclofenac Sodium	Diclofenac Sodium	51	21
Benazepril Hcl	Benazepril Hcl	50	12
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	50	17
Fenofibrate	Fenofibrate	48	13
Bupropion Xl	Bupropion Hcl	45	16
Fluoxetine Hcl	Fluoxetine Hcl	45	13
Celecoxib	Celecoxib	43	20
Venlafaxine Hcl Er	Venlafaxine Hcl	42	11
Donepezil Hcl	Donepezil Hcl	39	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	38	11
Valsartan	Valsartan	38	12
Warfarin Sodium	Warfarin Sodium	38	12
Memantine Hcl	Memantine Hcl	37	suppressed
Mirtazapine	Mirtazapine	36	suppressed
Irbesartan	Irbesartan	35	suppressed
Enalapril Maleate	Enalapril Maleate	33	suppressed
Naproxen	Naproxen	31	21
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	29	suppressed
Xarelto	Rivaroxaban	29	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	28	12
Olmesartan Medoxomil	Olmesartan Medoxomil	26	suppressed
Lansoprazole	Lansoprazole	25	suppressed
Gabapentin	Gabapentin	24	suppressed
Propranolol Hcl	Propranolol Hcl	24	suppressed
Levofloxacin	Levofloxacin	23	21
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	23	suppressed
Trulicity	Dulaglutide	22	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	21	13
Ramipril	Ramipril	21	suppressed
Prednisone	Prednisone	20	18
Digoxin	Digoxin	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	19	suppressed
Paroxetine Hcl	Paroxetine Hcl	19	suppressed
Risedronate Sodium	Risedronate Sodium	19	suppressed
Sucralfate	Sucralfate	19	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	17	suppressed
Fluconazole	Fluconazole	17	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Acyclovir	Acyclovir	16	suppressed
Azelastine Hcl	Azelastine Hcl	16	13
Fenofibrate	Fenofibrate Nanocrystallized	16	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	suppressed
Cephalexin	Cephalexin	15	13
Doxycycline Hyclate	Doxycycline Hyclate	15	15
Estradiol	Estradiol	15	suppressed
Methimazole	Methimazole	15	suppressed
Benazepril-Hydrochlorothiazide	Benazepril/Hydrochlorothiazide	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Colesevelam Hcl	Colesevelam Hcl	14	suppressed
Pen Needle	Pen Needle, Diabetic	14	suppressed
Sildenafil Citrate	Sildenafil Citrate	14	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	13	11
Azithromycin	Azithromycin	12	suppressed
Buspirone Hcl	Buspirone Hcl	12	suppressed
Colchicine	Colchicine	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Rizatriptan	Rizatriptan Benzoate	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Verapamil Er	Verapamil Hcl	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Breyna	Budesonide/Formoterol Fumarate	11	suppressed
Epinephrine	Epinephrine	11	suppressed
Ibandronate Sodium	Ibandronate Sodium	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Terazosin Hcl	Terazosin Hcl	11	suppressed
Tradjenta	Linagliptin	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