Overview
John Duffy is a primary care provider, practicing in Family Medicine in Potsdam, New York.
Dr. Duffy is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Psoriasis, Chronic Obstructive Pulmonary Disease (COPD), Colorectal Cancer, and Familial Colorectal Cancer.
He is actively involved in clinical research, co-authoring 1 peer reviewed article.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
50 Leroy St, Potsdam, NY 13676
39 W Main St, Canton, NY 13617
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Frequently Asked Questions about Dr. John S. Duffy
How do I make an appointment with Dr. John S. Duffy?
You can book an appointment with Dr. John S. Duffy by calling their office at 315-265-3300. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John S. Duffy a top-rated expert for Psoriasis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John S. Duffy is classified as an Advanced expert for Psoriasis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John S. Duffy specialize in?
While Dr. John S. Duffy is a Family Medicine, they have specific expertise in Psoriasis, Chronic Obstructive Pulmonary Disease (COPD), and Colorectal Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Family Medicine.
Does Dr. John S. Duffy participate in research or clinical trials?
Yes. Dr. John S. Duffy has published 1 articles and abstracts on conditions like Psoriasis. You can view a list of Dr. John S. Duffy's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John S. Duffy accept my insurance?
Dr. John S. Duffy accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 315-265-3300 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Chronic Obstructive Pulmonary Disease (COPD)
- CirrhosisDr. Duffy isAdvanced. Learn about Cirrhosis.
- Colorectal CancerDr. Duffy isAdvanced. Learn about Colorectal Cancer.
- Familial Colorectal CancerDr. Duffy isAdvanced. Learn about Familial Colorectal Cancer.
- Familial Combined Hyperlipidemia
- Familial HypertensionDr. Duffy isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- High CholesterolDr. Duffy isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Duffy isAdvanced. Learn about Hypertension.
- Infant HyperglycemiaDr. Duffy isAdvanced. Learn about Infant Hyperglycemia.
- PsoriasisDr. Duffy isAdvanced. Learn about Psoriasis.
- Vitamin D DeficiencyDr. Duffy isAdvanced. Learn about Vitamin D Deficiency.
- XanthomaDr. Duffy isAdvanced. Learn about Xanthoma.
- Experienced
- Acute CystitisDr. Duffy isExperienced. Learn about Acute Cystitis.
- Allergic RhinitisDr. Duffy isExperienced. Learn about Allergic Rhinitis.
- ApoplexyDr. Duffy isExperienced. Learn about Apoplexy.
- AtherosclerosisDr. Duffy isExperienced. Learn about Atherosclerosis.
- Atypical PneumoniaDr. Duffy isExperienced. Learn about Atypical Pneumonia.
- Benign Paroxysmal Positional VertigoDr. Duffy isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- CellulitisDr. Duffy isExperienced. Learn about Cellulitis.
- Cerebral PalsyDr. Duffy isExperienced. Learn about Cerebral Palsy.
- Chronic B-Cell Leukemia (CBCL)Dr. Duffy isExperienced. Learn about Chronic B-Cell Leukemia (CBCL).
- Chronic CoughDr. Duffy isExperienced. Learn about Chronic Cough.
- Chronic Lymphocytic Leukemia (CLL)Dr. Duffy isExperienced. Learn about Chronic Lymphocytic Leukemia (CLL).
- Chronic PainDr. Duffy isExperienced. Learn about Chronic Pain.
- Complex Regional Pain SyndromeDr. Duffy isExperienced. Learn about Complex Regional Pain Syndrome.
- ConcussionDr. Duffy isExperienced. Learn about Concussion.
- Coronary Heart DiseaseDr. Duffy isExperienced. Learn about Coronary Heart Disease.
- COVID-19Dr. Duffy isExperienced. Learn about COVID-19.
- Deep Vein ThrombosisDr. Duffy isExperienced. Learn about Deep Vein Thrombosis.
- Down SyndromeDr. Duffy isExperienced. Learn about Down Syndrome.
- EmpyemaDr. Duffy isExperienced. Learn about Empyema.
- EpilepsyDr. Duffy isExperienced. Learn about Epilepsy.
- Erb's PalsyDr. Duffy isExperienced. Learn about Erb's Palsy.
- EsophagitisDr. Duffy isExperienced. Learn about Esophagitis.
- FaintingDr. Duffy isExperienced. Learn about Fainting.
- Familial Neurocardiogenic SyncopeDr. Duffy isExperienced. Learn about Familial Neurocardiogenic Syncope.
- Gastroesophageal Reflux Disease (GERD)
- GastroparesisDr. Duffy isExperienced. Learn about Gastroparesis.
- Generalized Anxiety Disorder (GAD)Dr. Duffy isExperienced. Learn about Generalized Anxiety Disorder (GAD).
- Generalized Tonic-Clonic SeizureDr. Duffy isExperienced. Learn about Generalized Tonic-Clonic Seizure.
- Heart MurmursDr. Duffy isExperienced. Learn about Heart Murmurs.
- Hospital-Acquired PneumoniaDr. Duffy isExperienced. Learn about Hospital-Acquired Pneumonia.
- HypothyroidismDr. Duffy isExperienced. Learn about Hypothyroidism.
- Idiopathic EdemaDr. Duffy isExperienced. Learn about Idiopathic Edema.
- Interstitial NephritisDr. Duffy isExperienced. Learn about Interstitial Nephritis.
- Irritable Bowel Syndrome (IBS)Dr. Duffy isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- Lung MetastasesDr. Duffy isExperienced. Learn about Lung Metastases.
- Lyme DiseaseDr. Duffy isExperienced. Learn about Lyme Disease.
- LymphangitisDr. Duffy isExperienced. Learn about Lymphangitis.
- Maturity Onset Diabetes of the YoungDr. Duffy isExperienced. Learn about Maturity Onset Diabetes of the Young.
- MelorheostosisDr. Duffy isExperienced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Duffy isExperienced. Learn about Melorheostosis with Osteopoikilosis.
- Memory LossDr. Duffy isExperienced. Learn about Memory Loss.
- MigraineDr. Duffy isExperienced. Learn about Migraine.
- Morning SicknessDr. Duffy isExperienced. Learn about Morning Sickness.
- Multisystem Inflammatory Syndrome in Children (MIS-C)
- NecrosisDr. Duffy isExperienced. Learn about Necrosis.
- New Daily Persistent Headache (NDPH)Dr. Duffy isExperienced. Learn about New Daily Persistent Headache (NDPH).
- Obesity in ChildrenDr. Duffy isExperienced. Learn about Obesity in Children.
- OsteoarthritisDr. Duffy isExperienced. Learn about Osteoarthritis.
- OsteopeniaDr. Duffy isExperienced. Learn about Osteopenia.
- PachydermoperiostosisDr. Duffy isExperienced. Learn about Pachydermoperiostosis.
- Painful SwallowingDr. Duffy isExperienced. Learn about Painful Swallowing.
- Peptic UlcerDr. Duffy isExperienced. Learn about Peptic Ulcer.
- PneumoniaDr. Duffy isExperienced. Learn about Pneumonia.
- Psoriatic ArthritisDr. Duffy isExperienced. Learn about Psoriatic Arthritis.
- Pulmonary EmbolismDr. Duffy isExperienced. Learn about Pulmonary Embolism.
- Restless Legs SyndromeDr. Duffy isExperienced. Learn about Restless Legs Syndrome.
- Richter SyndromeDr. Duffy isExperienced. Learn about Richter Syndrome.
- SciaticaDr. Duffy isExperienced. Learn about Sciatica.
- ScoliosisDr. Duffy isExperienced. Learn about Scoliosis.
- ShinglesDr. Duffy isExperienced. Learn about Shingles.
- SinusitisDr. Duffy isExperienced. Learn about Sinusitis.
- Swallowing DifficultyDr. Duffy isExperienced. Learn about Swallowing Difficulty.
- Tension HeadacheDr. Duffy isExperienced. Learn about Tension Headache.
- Transient Ischemic Attack (TIA)Dr. Duffy isExperienced. Learn about Transient Ischemic Attack (TIA).
- Type 1 Diabetes (T1D)Dr. Duffy isExperienced. Learn about Type 1 Diabetes (T1D).
- Type 2 Diabetes (T2D)Dr. Duffy isExperienced. Learn about Type 2 Diabetes (T2D).
- Urinary Tract Infection (UTI)Dr. Duffy isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Duffy isExperienced. Learn about Urinary Tract Infection in Children.
- VertigoDr. Duffy isExperienced. Learn about Vertigo.