Dr. William Duffy, MD

Dr. William Duffy, MD

Internal Medicine  ·  
Male  ·  
Age 51
(5)
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Dr. William Duffy, MD is an internal medicine specialist in Philadelphia, PA and has been practicing for 26 years. He graduated from Georgetown University School Of Medicine in 1993 and specializes in internal medicine.

727 Delancey St

Philadelphia, PA 19106

Contact Information

Insurance Accepted

  • Amerihealth
  • Blue Cross Blue Shield
  • Capital Blue Cross
  • Geisinger Health Plan
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • MultiPlan
  • QualCare

*Please verify this information when scheduling an appointment.

Background Check

Healthgrades does not collect malpractice claims information for Pennsylvania
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

Check if Dr. Duffy treats your condition or procedure

Dr. Duffy's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abnormal Thyroid
  • Abscess or Cyst Drainage or Aspiration
  • Achilles Tendinitis
  • Acidosis
  • Acne
  • Actinic Keratosis
  • Acute Bronchitis
  • Acute Deep Vein Thrombosis (DVT)
  • Acute Pharyngitis
  • Acute Postoperative Pain
  • Acute Sinusitis
  • Acute Tonsillitis
  • Acute Upper Respiratory Infection
  • Acute Venous Embolism Thrombosis
  • ADHD and-or ADD
  • Administrative Physical
  • Advance Directive End of Life Planning
  • All Headaches (incl. Migraine)
  • Allergic Conjunctivitis
  • Allergic Reaction
  • Allergic Rhinitis
  • Anal Disorders
  • Anal or Rectal Pain
  • Anemia
  • Anemia and Iron Deficiency Screening
  • Ankle Sprain and Achilles Tendon Sprain or Rupture
  • Ankle Sprains and Strains
  • Anxiety
  • Arterial Blood Gas Test (ABG)
  • Arthritis
  • Arthritis of the Elbow
  • Asthma
  • Asymptomatic Post-Menopausal Status
  • Ataxia
  • Atherosclerosis
  • Autonomic Disorders
  • Back Pain
  • Bedsores
  • Benign Chronic Pain Syndrome
  • Bladder Diseases
  • Bladder Infection
  • Blood Disorders
  • Blood in Urine (Hematuria)
  • Bone Disorders
  • Breast Diseases
  • Breast Pain
  • Bronchiectasis
  • Bronchitis
  • Bronchospasm
  • Bunion
  • Burn Injuries
  • Bursitis
  • Calcium Metabolism Disorders
  • Candidiasis of Skin and Nails
  • Cardiovascular Stress Test
  • Care Coordination for Complex Conditions and Procedures
  • Carpal Tunnel Syndrome
  • Celiac Disease
  • Cellulitis
  • Chest Pain
  • Cholesterol Screening
  • Chronic Deep Vein Thrombosis (DVT)
  • Chronic Fatigue Syndrome
  • Chronic Interstitial Cystitis
  • Chronic Neck Pain
  • Chronic Pain
  • Chronic Pharyngitis
  • Chronic Sinusitis
  • Cluster Headache
  • Cold Sore
  • Confusion
  • Constipation
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Coronary Artery Disease (CAD)
  • Cough
  • Cyclothymia (Chronic Mood Disorder)
  • Deep Vein Thrombosis (DVT)
  • Dehydration
  • Dermatitis
  • Dermatitis Due to Drugs
  • Dermatitis Due to Substances Taken Internally
  • Diabetes Counseling
  • Diabetes Mellitus, Secondary
  • Diabetes Screening
  • Diabetes Type 1
  • Diabetes Type 2
  • Diabetes With Renal Manifestations
  • Diabetic Polyneuropathy
  • Diarrhea
  • Difficulty With Walking
  • Diverticulosis, Intestinal
  • Dizziness
  • Dysentery
  • Dysphagia
  • Dysthymia (Chronic Depression)
  • Dysthymia and Cyclothymia (Mood Disorders)
  • Ear Ache
  • Ear Disorders
  • Earwax Buildup
  • Elbow Injuries
  • Electrocardiogram (EKG)
  • Emphysema
  • Enlarged Prostate (BPH)
  • Enteritis
  • Erectile Dysfunction
  • Esophageal Diseases
  • Esophagitis
  • Essential Tremor
  • Excessive Sweating
  • Fecal Occult Blood Test for Colorectal Cancer
  • Fever
  • Fibromyalgia
  • Folliculitis
  • Foot Conditions
  • Fungal Infections
  • Fungal Nail Infection
  • Gait Abnormality
  • Gas-Bloat Syndrome
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Diseases
  • Gastroparesis
  • Genital Herpes
  • Gonorrhea Screening
  • Gout
  • Hair Loss
  • Hammer Toe
  • Headache
  • Heart Disease
  • Heart Palpitations
  • Heartburn
  • Hemorrhoids
  • Hepatitis A
  • Hepatitis B Virus Screening
  • Hepatitis C Virus Screening
  • Hepatitis Screening
  • Herpes Simplex Infection
  • Herpes Simplex Screening
  • Herpes Zoster Without Complication
  • Hidradenitis
  • Hip Sprain
  • HIV Screening
  • Hoarse Voice (Dysphonia)
  • Hypercalcemia
  • Hyperkalemia
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypokalemia
  • Hypotension
  • Hypotension (Excluding Maternal)
  • Hypothyroidism
  • Immunization
  • Indigestion
  • Influenza (Flu)
  • Insomnia
  • Intertrigo
  • Irritable Bowel Syndrome
  • Itchy Skin
  • Jock Itch
  • Joint Pain
  • Knee Disorders
  • Larynx Conditions
  • Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
  • Leg and Foot Ulcers
  • Limb Cramp
  • Limb Pain
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Lipid Disorders
  • Liver Damage from Alcohol
  • Liver Function Test
  • Low Back Pain
  • Low Blood Oxygen Level
  • Lyme Disease
  • Magnesium Metabolism Disorders
  • Malaise and Fatigue
  • Menopausal and Postmenopausal Disorders
  • Menstrual Disorders (incl. Dysmenorrhea)
  • Migraine
  • Mineral Metabolism Disorders
  • Moles (Benign Skin Lesions)
  • Motion Sickness
  • Muscle Spasm
  • Muscle Weakness
  • Nail and Nail Bed Infection
  • Nausea
  • Neck Muscle Strain
  • Neurogenic Bladder
  • Nighttime Urination (Nocturia)
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Nosebleed
  • Obesity
  • Osteoarthritis
  • Osteoarthritis of Ankle and Foot
  • Osteoarthritis of Hand or Wrist
  • Osteoarthritis of Hands
  • Osteoarthritis of Hip
  • Osteoarthritis of Hip and Thigh
  • Osteoarthritis of Knee
  • Osteoarthritis of Shoulder
  • Osteopenia
  • Osteoporosis
  • Osteoporosis Screening
  • Otitis Media
  • Outer Ear Infection
  • Overweight
  • Painful Urination (Dysuria)
  • Paracentesis
  • Partial Lung Collapse
  • Patellofemoral Pain Syndrome or Knee Pain
  • Peptic Ulcer
  • Pericardial Disease
  • Peripheral Autonomic Neuropathy
  • Peripheral Nerve Disorders
  • Peripheral Vascular Disease (PAD, PVD)
  • Pharyngitis
  • Phlebitis and Thrombophlebitis
  • Pinkeye (Conjunctivitis)
  • Plantar Fasciitis
  • Pneumonia
  • Poison Ivy, Poison Oak, or Poison Sumac Poisoning
  • Pollen Allergy
  • Polymyalgia Rheumatica (PMR)
  • Polyneuropathy
  • Postnasal Drip
  • Pregnancy Test
  • Prostate Cancer Screening
  • Prostatitis
  • Pulmonary Disease
  • Pulmonary Function Test
  • Radiculopathy (Not Due to Disc Displacement)
  • Rash
  • Raynaud's Disease
  • Reflux Esophagitis
  • Restless Leg Syndrome
  • Rib Fracture
  • Ringworm
  • Rosacea
  • Sarcoidosis
  • Sciatica (Not Due to Disc Displacement)
  • Seborrheic Dermatitis
  • Secondary Hypertension
  • Second-Degree Burns
  • Sexually Transmitted Diseases (STDs)
  • Sexually Transmitted Infections Screening
  • Shingles
  • Shortness of Breath
  • Shoulder Disorders
  • Shoulder Tendinitis and Tenosynovitis
  • Sickle Cell Disease
  • Sinusitis
  • Skin Infections
  • Sleep Apnea
  • Sleep Disorders
  • Sore Throat
  • Spondylosis
  • Sprains and Strains (incl. Muscle Tear)
  • Stomach Diseases
  • Strep Throat
  • Syphilis Screening
  • Testicular Dysfunction
  • Thrombosis
  • Thyroid Disease
  • Thyroid Screening
  • Tinea Versicolor
  • Tinnitus
  • Tobacco Use Disorder
  • Tonsillitis
  • Torticollis
  • Transient Ischemic Attack (TIA)
  • Tremor
  • Trigeminal Neuralgia
  • Ulcer
  • Urinary Disorders
  • Urinary Hesitancy
  • Urinary Incontinence
  • Urinary Stones
  • Urinary Tract Infection (UTI)
  • Venous Embolism and Thrombosis
  • Vertigo
  • Vitamin D Deficiency
  • Warts
  • Wellness Examination
  • Wheezing

About Me

Biography

Dr. William Duffy, MD is an internal medicine specialist in Philadelphia, PA and has been practicing for 26 years. He graduated from Georgetown University School Of Medicine in 1993 and specializes in internal medicine.

Specialties

  • Internal Medicine

Board Certifications

Education

Thos Jefferson University Hospital
Residency Hospital
1993
Georgetown University School Of Medicine
Medical School
1993

Awards

Dr. Duffy's Reviews

Likelihood to recommend Dr. Duffy

5.0

Based on 5 reviews

5 Stars
100%
(5)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
0%
(0)

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Average Wait Time
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Dr. Duffy's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. William Duffy, MD
Reply
I was extremely impressed with Dr. Duffy. I needed a new primary care doctor as mine had relocated. Dr. Duffy was very personable and easy to talk with--he showed a high level of interest in everything that we discussed and I never felt hurried. He spent an hour with me on this initial visit and I...Read More
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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Amerihealth
Personal Choice PPO
Blue Cross Blue Shield
Blue Card PPO
Capital Blue Cross
Geisinger Health Plan
Horizon Blue Cross Blue Shield of New Jersey
Direct Access
Horizon Blue Cross Blue Shield HMO
Horizon Blue Cross Blue Shield POS
Horizon Blue Cross Blue Shield PPO
Humana
Choice Care PPO
MultiPlan
PHCS Network PPO
QualCare
QualCare HMO
QualCare PPO