Healthcare provider profile · identity verified

Joann Chang, MD

Internal Medicine · FALL RIVER, MA · NPI 1477083061

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	398	116
Amlodipine Besylate	Amlodipine Besylate	355	101
Gabapentin	Gabapentin	303	58
Levothyroxine Sodium	Levothyroxine Sodium	296	73
Lisinopril	Lisinopril	291	79
Rosuvastatin Calcium	Rosuvastatin Calcium	269	85
Omeprazole	Omeprazole	237	69
Lorazepam	Lorazepam	202	64
Losartan Potassium	Losartan Potassium	175	51
Albuterol Sulfate Hfa	Albuterol Sulfate	173	53
Pantoprazole Sodium	Pantoprazole Sodium	153	43
Simvastatin	Simvastatin	143	40
Fluticasone Propionate	Fluticasone Propionate	140	64
Furosemide	Furosemide	135	45
Pravastatin Sodium	Pravastatin Sodium	128	34
Citalopram Hbr	Citalopram Hydrobromide	115	34
Metformin Hcl Er	Metformin Hcl	112	33
Metoprolol Succinate	Metoprolol Succinate	111	35
Famotidine	Famotidine	95	40
Trazodone Hcl	Trazodone Hcl	95	30
Sertraline Hcl	Sertraline Hcl	92	23
Olmesartan Medoxomil	Olmesartan Medoxomil	87	28
Atenolol	Atenolol	81	20
Metformin Hcl	Metformin Hcl	78	21
Hydrochlorothiazide	Hydrochlorothiazide	73	26
Potassium Chloride	Potassium Chloride	72	18
Tramadol Hcl	Tramadol Hcl	71	20
Eliquis	Apixaban	68	20
Venlafaxine Hcl Er	Venlafaxine Hcl	66	14
Zolpidem Tartrate	Zolpidem Tartrate	65	11
Escitalopram Oxalate	Escitalopram Oxalate	60	18
Ventolin Hfa	Albuterol Sulfate	59	16
Bupropion Xl	Bupropion Hcl	58	16
Allopurinol	Allopurinol	53	13
Quetiapine Fumarate	Quetiapine Fumarate	53	15
Diclofenac Sodium	Diclofenac Sodium	50	15
Montelukast Sodium	Montelukast Sodium	48	14
Oxycodone Hcl	Oxycodone Hcl	48	22
Tamsulosin Hcl	Tamsulosin Hcl	48	19
Alendronate Sodium	Alendronate Sodium	46	11
Alprazolam	Alprazolam	45	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	45	12
Jardiance	Empagliflozin	44	11
Tizanidine Hcl	Tizanidine Hcl	44	22
Valsartan	Valsartan	43	12
Mirtazapine	Mirtazapine	41	11
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	38	suppressed
Prednisone	Prednisone	36	32
Mounjaro	Tirzepatide	35	suppressed
Cefadroxil	Cefadroxil	34	30
Esomeprazole Magnesium	Esomeprazole Magnesium	34	suppressed
Paroxetine Hcl	Paroxetine Hcl	33	suppressed
Valacyclovir	Valacyclovir Hcl	33	20
Trulicity	Dulaglutide	31	suppressed
Enalapril Maleate	Enalapril Maleate	30	suppressed
Ezetimibe	Ezetimibe	30	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	30	13
Propranolol Hcl	Propranolol Hcl	30	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	29	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	28	22
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	28	23
Klor-Con M20	Potassium Chloride	27	13
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	27	suppressed
Spironolactone	Spironolactone	27	suppressed
Xarelto	Rivaroxaban	27	suppressed
Glipizide Er	Glipizide	26	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	26	suppressed
Meclizine Hcl	Meclizine Hcl	26	16
Metoprolol Tartrate	Metoprolol Tartrate	26	suppressed
Ropinirole Hcl	Ropinirole Hcl	25	suppressed
Pregabalin	Pregabalin	24	suppressed
Duloxetine Hcl	Duloxetine Hcl	23	suppressed
Farxiga	Dapagliflozin Propanediol	23	suppressed
Lovastatin	Lovastatin	23	suppressed
Temazepam	Temazepam	23	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	23	suppressed
Irbesartan	Irbesartan	22	suppressed
Carisoprodol	Carisoprodol	21	suppressed
Incruse Ellipta	Umeclidinium Bromide	21	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	21	suppressed
Azithromycin	Azithromycin	20	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	20	11
Donepezil Hcl	Donepezil Hcl	20	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	20	suppressed
Clopidogrel	Clopidogrel Bisulfate	19	suppressed
Colchicine	Colchicine	19	suppressed
Lidocaine	Lidocaine	19	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	18	suppressed
Carvedilol	Carvedilol	18	suppressed
Hydrocortisone	Hydrocortisone	18	suppressed
Arnuity Ellipta	Fluticasone Furoate	17	suppressed
Nystatin	Nystatin	17	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	17	17
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Azelastine Hcl	Azelastine Hcl	16	suppressed
Ibandronate Sodium	Ibandronate Sodium	16	suppressed
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Propranolol Hcl Er	Propranolol Hcl	16	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	15	suppressed
Meloxicam	Meloxicam	15	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	15	suppressed
Buspirone Hcl	Buspirone Hcl	14	suppressed
Clonazepam	Clonazepam	14	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Januvia	Sitagliptin Phosphate	14	suppressed
Olanzapine	Olanzapine	14	suppressed
Repaglinide	Repaglinide	14	suppressed
Warfarin Sodium	Warfarin Sodium	14	suppressed
Buprenorphine Hcl	Buprenorphine Hcl	13	suppressed
Epinephrine	Epinephrine	13	suppressed
Eszopiclone	Eszopiclone	13	suppressed
Hydrocodone Bitartrate Er	Hydrocodone Bitartrate	13	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	13	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Amoxicillin	Amoxicillin	12	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	12	suppressed
Ozempic	Semaglutide	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Bupropion Hcl	Bupropion Hcl	11	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	11	suppressed
Estradiol	Estradiol	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Glipizide	Glipizide	11	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Premarin	Estrogens, Conjugated	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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