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Dr. John Marcelis, MD
Internal Medicine* Age 64
Dr. John Marcelis, MD
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Dr. John Marcelis, MD is an Internist in Warminster, PA.
Dr. John Marcelis, MD
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Dr. John Marcelis, MD

Internal Medicine* Age 64
Warminster, PA
Accepting new patients
39 years of experience
Dr. John Marcelis, MD is an Internist in Warminster, PA.
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About Dr. John Marcelis, MD

Dr. Marcelis graduated from Temple University in 1987 and completed a residency at Temple University Hospital. Dr. John Marcelis, MD is an Internist in Warminster, PA and has 39 years experience. Dr. Marcelis's office accepts new patients. Dr. Marcelis is board certified in Geriatric Medicine and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Immunization Administration
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Immunization Administration
Arterial Blood Gas Test (ABG)
Immunization Administration
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Advance Directive End of Life Planning
Joint Pain
Abdominal Pain
Acute Bronchitis
Acute Lower Respiratory Infection
Acute Sinusitis
Acute Upper Respiratory Infection
All Headaches (incl. Migraine)
Allergic Rhinitis
Anemia
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Animal Allergies
Ankle Sprains and Strains
Anxiety
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Arthritis
Arthritis of the Elbow
Back Pain
Bladder Infection
Blood in Urine (Hematuria)
Bronchiectasis
Bursitis
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Cellulitis
Chest Pain
Chronic Neck Pain
Chronic Sinusitis
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Dehydration
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Diverticulitis
Diverticulosis
Dizziness
Dry Eyes
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Dyslipidemia
Dysphagia
Earwax Buildup
Emphysema
Enlarged Prostate (BPH)
Esophagitis
Familial Hypercholesterolemia
Fever
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Foot Infection
Foot Sprain
Gait Abnormality
Gastroesophageal Reflux Disease (GERD)
Gout
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Headache
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Heart Disease
Hemorrhoids
Hernia
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Herpes Zoster Without Complication
Hyperkalemia
Hyperlipidemia
Hypertension
Hypokalemia
Hypothyroidism
Hypoxemia
Insomnia
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Intestinal Diverticulitis
Irritable Bowel Syndrome
Leg and Foot Ulcers
Leukocytopenia
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Long COVID Disorder
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Mild Asthma
Mineral Metabolism Disorders
Muscle Cramping
Muscle Spasm
Muscle Weakness
Nail Infection
Nasopharyngitis
Nausea
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Neurogenic Bladder
Nightmare Disorder
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Peripheral Autonomic Neuropathy
Peripheral Nerve Disorders
Pharyngitis
Pneumonia
Polyneuropathy
Polyuria
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Radiculopathy
Rash
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Reflux Esophagitis
Rhabdomyolysis
Sciatica
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Secondary Hypertension
Secondary Renovascular Hypertension
Shingles
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Shortness of Breath
Sinus Bradycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Stye
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Tension Headache
Throat Pain
Thrush
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Thyroid Goiter
Transient Ischemic Attack (TIA)
Urinary Incontinence
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Vitamin B12 Deficiency
Wheezing
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Care Coordination for Complex Conditions and Procedures
Diabetes Counseling
Fecal Occult Blood Test for Colorectal Cancer
Wellness Examination

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • BlueCard PPO
  • Keystone HMO-POS
  • Personal Choice PPO
    Regional Preferred POS Plus
  • Select
    Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Managed Choice (Open Access) POS
    Aetna HMO
    Choice Plus POS II
    Elect Choice (Open Access) EPO
  • HealthyBlue Advantage
  • Performance Blue
    PPOBlue PPO
    BCBS PPO
    Community Blue PPO
  • First Health (Coventry Health Care) PPO
  • Capital Blue Cross

Where Dr. John Marcelis, MD Sees Patients

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Meet Dr. John Marcelis, MD

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
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Does Dr. Marcelis have free onsite parking?
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Does Dr. Marcelis specialize in working with children or adolescents?
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Does Dr. Marcelis specialize in working with seniors?
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Does Dr. Marcelis specialize in couples therapy?
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FAQs About Dr. Marcelis's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. John Marcelis, MD. To arrange an appointment, call the number on Dr. Marcelis's profile.

Dr. John Marcelis, MD is affiliated with Jefferson Abington Hospital.

Yes, Dr. John Marcelis, MD holds board certification in Geriatric Medicine and Internal Medicine.

Training & Medical Education
Medical Education
  • Temple University
    1987
Medical Education
Board Certifications
  • Geriatric Medicine and Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • Temple University Hospital
Internship
Residency Hospital
  • Temple University Hospital
Residency Hospital

Hospitals Where Dr. John Marcelis, MD Practices

  • Jefferson Abington Hospital

    1200 Old York Rd, Abington, PA

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