Healthcare provider profile · identity verified

Garbis D Keusseyan

Physician Assistant · MILLINOCKET, ME · NPI 1285389973

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	364	95
Lisinopril	Lisinopril	234	71
Amlodipine Besylate	Amlodipine Besylate	212	55
Losartan Potassium	Losartan Potassium	186	55
Metoprolol Succinate	Metoprolol Succinate	145	38
Pantoprazole Sodium	Pantoprazole Sodium	134	36
Levothyroxine Sodium	Levothyroxine Sodium	125	39
Gabapentin	Gabapentin	124	39
Famotidine	Famotidine	122	31
Omeprazole	Omeprazole	118	48
Tamsulosin Hcl	Tamsulosin Hcl	117	31
Trazodone Hcl	Trazodone Hcl	116	28
Furosemide	Furosemide	108	23
Metoprolol Tartrate	Metoprolol Tartrate	107	31
Albuterol Sulfate Hfa	Albuterol Sulfate	92	39
Clonazepam	Clonazepam	92	24
Hydrochlorothiazide	Hydrochlorothiazide	92	35
Metformin Hcl	Metformin Hcl	92	30
Simvastatin	Simvastatin	88	20
Bupropion Xl	Bupropion Hcl	83	12
Jardiance	Empagliflozin	77	21
Eliquis	Apixaban	76	20
Sertraline Hcl	Sertraline Hcl	76	27
Rosuvastatin Calcium	Rosuvastatin Calcium	74	23
Atenolol	Atenolol	72	24
Metformin Hcl Er	Metformin Hcl	69	18
Lorazepam	Lorazepam	64	15
Carvedilol	Carvedilol	59	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	55	26
Isosorbide Mononitrate Er	Isosorbide Mononitrate	55	15
Allopurinol	Allopurinol	54	15
Tramadol Hcl	Tramadol Hcl	54	21
Montelukast Sodium	Montelukast Sodium	53	13
Pregabalin	Pregabalin	52	17
Finasteride	Finasteride	50	suppressed
Duloxetine Hcl	Duloxetine Hcl	47	suppressed
Trulicity	Dulaglutide	46	18
Ezetimibe	Ezetimibe	45	suppressed
Ozempic	Semaglutide	43	suppressed
Prednisone	Prednisone	43	29
Clopidogrel	Clopidogrel Bisulfate	35	11
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Meloxicam	Meloxicam	34	11
Baclofen	Baclofen	33	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	31	suppressed
Chlorthalidone	Chlorthalidone	31	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	suppressed
Lovastatin	Lovastatin	31	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	29	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	29	11
Fetzima	Levomilnacipran Hcl	28	suppressed
Potassium Chloride	Potassium Chloride	28	suppressed
Topiramate	Topiramate	28	suppressed
Tresiba Flextouch U-100	Insulin Degludec	28	suppressed
Alprazolam	Alprazolam	27	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	27	suppressed
Lamotrigine	Lamotrigine	27	suppressed
Buspirone Hcl	Buspirone Hcl	26	suppressed
Fluticasone Propionate	Fluticasone Propionate	26	11
Spironolactone	Spironolactone	26	11
Tizanidine Hcl	Tizanidine Hcl	26	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	24	22
Esomeprazole Magnesium	Esomeprazole Magnesium	24	suppressed
Ventolin Hfa	Albuterol Sulfate	24	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	22	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	22	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	21	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Azithromycin	Azithromycin	20	17
Glipizide	Glipizide	20	suppressed
Novolog Flexpen	Insulin Aspart	20	suppressed
Pravastatin Sodium	Pravastatin Sodium	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	20	15
Alendronate Sodium	Alendronate Sodium	19	suppressed
Breo Ellipta	Fluticasone/Vilanterol	19	suppressed
Rybelsus	Semaglutide	19	suppressed
Synthroid	Levothyroxine Sodium	19	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	18	suppressed
Mirtazapine	Mirtazapine	18	suppressed
Terazosin Hcl	Terazosin Hcl	18	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	suppressed
Vascepa	Icosapent Ethyl	18	suppressed
Methylphenidate Er	Methylphenidate Hcl	17	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	17	suppressed
Oxycodone Hcl	Oxycodone Hcl	17	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	16	suppressed
Citalopram Hbr	Citalopram Hydrobromide	16	suppressed
Lurasidone Hcl	Lurasidone Hcl	16	suppressed
Farxiga	Dapagliflozin Propanediol	15	suppressed
Nitroglycerin	Nitroglycerin	15	11
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Warfarin Sodium	Warfarin Sodium	15	suppressed
Amoxicillin	Amoxicillin	14	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Methimazole	Methimazole	14	suppressed
Methotrexate	Methotrexate Sodium	14	suppressed
Myrbetriq	Mirabegron	14	suppressed
Xarelto	Rivaroxaban	14	suppressed
Aripiprazole	Aripiprazole	13	suppressed
Enbrel Sureclick	Etanercept	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Nystatin	Nystatin	13	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	13	suppressed
Prazosin Hcl	Prazosin Hcl	13	suppressed
Risperidone	Risperidone	13	suppressed
Sotalol	Sotalol Hcl	13	suppressed
Divalproex Sodium	Divalproex Sodium	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	12	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	12	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Celecoxib	Celecoxib	11	suppressed
Hydralazine Hcl	Hydralazine Hcl	11	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	11	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	11	suppressed
Serevent Diskus	Salmeterol Xinafoate	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