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Dr. Michael Duffy, DO

Internal Medicine*
2.5 (26)
Map Pin Small San Diego, CA
Accepting new patients
30 years of experience

Offers telehealth

Overview of Dr. Michael Duffy, DO

Dr. Michael Duffy, DO is an Internal Medicine Specialist in San Diego, CA. They specialize in Internal Medicine, has 30 years of experience. They graduated from Kansas City University College of Osteopathic Medicine and is affiliated with Alvarado Hospital Medical Center and Sharp Grossmont Hospital. Patients rated Dr. Duffy an average 2.5 star rating.

Dr. Duffy works at Practice in San Diego, CA. They are accepting new patients and accept UnitedHealthCare as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Duffy's Office Locations

  1. 1
    Office
    1501 5th Ave, San Diego, CA 92101 Icon Directions Right Arrow Directions Phone Icon (619) 461-3717

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Alvarado Hospital Medical Center
  • Sharp Grossmont Hospital

Experience & Treatment Frequency

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What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Chronic Neck Pain
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Chronic Neck Pain

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Chronic Neck Pain
Drug and Alcohol Dependence
Joint Pain
Osteoarthritis of Spine
Shortness of Breath
Tobacco Use Disorder
Obesity Counseling
Wellness Examination
Abdominal Pain
Achilles Tendinitis
Acne
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Actinic Keratosis
Acute Deep Vein Thrombosis (DVT)
Acute Lower Respiratory Infection
Acute Postoperative Pain
Acute Sinusitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
Addiction
ADHD and-or ADD
Administrative Physical
Alcohol Withdrawal
Alcoholism (Alcohol Dependence)
All Headaches (incl. Migraine)
Allergic Rhinitis
Amphetamine and Other Psychostimulant Dependence
Amphetamine or Related Acting Sympathomimetic Abuse
Anemia
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Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Ataxia
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Atherosclerosis
Athlete's Foot
Atopic Dermatitis (Eczema)
Back Pain
Balanoposthitis
Bedsores
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Benign Chronic Pain Syndrome
Bladder Infection
Blood in Urine (Hematuria)
Boil
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Bronchitis
Bursitis
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Carpal Tunnel Syndrome
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Chronic Fatigue Syndrome
Chronic Pain
Chronic Pelvic Pain
Cold Sore
Common Cold
Complex Regional Pain Syndrome (CRPS)
Confusion
Constipation
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Deep Vein Thrombosis (DVT)
Degenerative Disc Disease
Dehydration
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dizziness
Down Syndrome
Drug Abuse
Drug Withdrawal
Dry Skin
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Dyslipidemia
Dysphagia
Earwax Buildup
Eczema and Contact Dermatitis
Eczema and Contact Dermatitis Due to Metals
Elbow Sprain
Enlarged Prostate (BPH)
Esophagitis
Essential Tremor
Excessive Sweating
Fibromyalgia
Foot Infection
Foot Sprain
Fungal Nail Infection
Gait Abnormality
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Genital Herpes
Genital Warts
Gout
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Hair Loss
Headache
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Heart Disease
Heart Palpitations
Hemorrhoids
Hepatitis A
Hernia
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Herniated Disc
Herpes Simplex Infection
Herpes Zoster Without Complication
Hidradenitis
Human Immunodeficiency Virus (HIV)
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypogonadism
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Insomnia
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Intervertebral Disc Disease
Irritable Bowel Syndrome
Itchy Skin
Jock Itch
Knee Sprain
Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Low Back Pain
Lumbar Radiculopathy
Lumbosacral Radiculopathy
Malaise and Fatigue
Malnutrition
Marijuana Addiction
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Migraine
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Moles (Benign Skin Lesions)
Muscle Cramping
Muscle Spasm
Muscle Weakness
Myelopathy
Nail Infection
Nasopharyngitis
Nausea
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Neck Strain (incl. Whiplash Injury)
Nerve Root Injury and Plexus Disorders (incl. Pinched Nerve)
Noninfectious Gastroenteritis and Colitis
Obesity
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Opioid Dependence
Opioid Withdrawal
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteopenia
Overweight
Patellofemoral Pain Syndrome (PFPS)
Perimenopause
Phantom Limb Pain
Pinkeye (Conjunctivitis)
Plantar Fasciitis
Plantar Wart
Pneumonia
Pollen Allergy
Polyneuropathy
Polyuria
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Post-Laminectomy Syndrome
Radiculopathy
Rash
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Reflux Esophagitis
Restless Leg Syndrome
Ringworm
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Rosacea
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Sarcoidosis
Scabies
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Sciatica
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Sciatica (Not Due to Disc Displacement)
Scoliosis
Seborrheic Dermatitis
Secondary Diabetes Mellitus
Sedative, Hypnotic, or Anxiolytic Dependence
Sexually Transmitted Diseases (STDs)
Shoulder Tendinitis and Tenosynovitis
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Spinal Stenosis
Spine Deformities
Spondylitis
Sprains and Strains (incl. Muscle Tear)
Symptomatic Menopause
Syphilis Infections
Tension Headache
Testicular Dysfunction
Throat Pain
Thrush
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Tinnitus
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Tobacco Withdrawal
Transient Ischemic Attack (TIA)
Upper Back Pain
Urinary Hesitancy
Urinary Incontinence
Urinary Tract Infection (UTI)
Vaginitis or Vaginosis
Vertigo
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Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Vitamin K Deficiency
Warts
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Wheezing
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Yeast Infections
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Acupuncture
Anemia and Iron Deficiency Screening
Cardiovascular Disease Counseling
Cardiovascular Stress Test
Cholesterol Screening
Diabetes Counseling
Diabetes Screening
Fecal Occult Blood Test for Colorectal Cancer
Geriatric Assessment
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Immunization Administration
Joint Drainage
Liver Function Test
Myofascial Trigger Point Injection
Nail Avulsion and Excision
Osteopathic Manipulative Treatment (OMT)
Osteoporosis Screening
Peripheral Nerve Block
Prostate Cancer Screening
Pulmonary Function Test
Sexually Transmitted Infections Screening
Smoking Cessation Counseling
Steroid Injection
Thyroid Screening
Trigger Point Injection
Vaccination
Viscosupplementation With Hyaluronate
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    • UnitedHealthCare

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    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

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    2.5
    Average provider rating
    Based on 26 ratings
    Patient Ratings (26)
    5 Star
    (9)
    4 Star
    (1)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (16)
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    Dr. Duffy's Office & Staff

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    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Duffy

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Michael Duffy, DO

    Specialties*
    • Internal Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 30 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1851399802
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • Kansas City University College of Osteopathic Medicine
    Medical Education

    Frequently Asked Questions

    Dr. Michael Duffy, DO is accepting new patients on Healthline FindCare. You can check to see if Dr. Duffy is offering online scheduling or call the provider’s office for more information.

    Dr. Duffy has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    26 patients have reviewed Dr. Duffy. The overall rating for this provider is 2.5. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Duffy.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Duffy, there are benefits to both methods. A person calling to schedule an with Dr. Duffy appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Duffy, or would you like to choose another provider and have an online appointment right now?
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    (619) 461-3717

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