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Dr. John Barrett, MD
Family Medicine* Age 60
Dr. John Barrett, MD
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Dr. John Barrett, MD is a Family Medicine Physician in Gaithersburg, MD.
Dr. John Barrett, MD
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Dr. John Barrett, MD

Family Medicine* Age 60
Gaithersburg, MD
Accepting new patients
Dr. John Barrett, MD is a Family Medicine Physician in Gaithersburg, MD.
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About Dr. John Barrett, MD

Dr. John Barrett, MD is a Family Medicine Physician in Gaithersburg, MD. Dr. Barrett's office accepts new patients. Dr. Barrett is board certified in Family Practice, Occupational Medicine and Public Health & General Preventive Medicine.

Compare with other Family Medicine Physicians

Compare Dr. Barrett with our nearby Family Medicine Physicians at Amazon One Medical
These providers are on the medical staff of Amazon One Medical
These providers are on the medical staff of Amazon One Medical.
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Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Acute Upper Respiratory Infection
Arterial Blood Gas Test (ABG)
Acute Upper Respiratory Infection
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Acute Upper Respiratory Infection
Abdominal Pain
Acute Bronchitis
Acute Kidney Infection
Acute Lower Respiratory Infection
All Headaches (incl. Migraine)
Anemia
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Anxiety
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Back Pain
Cellulitis
Chest Pain
Chronic Pain
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Dehydration
Diabetes Type 2
Diabetes With Renal Manifestations
Diaper Rash
Dizziness
Dyslipidemia
Fever
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Foot Infection
Gastroesophageal Reflux Disease (GERD)
Heart Disease
Hyperkalemia
Hyperlipidemia
Hypertension
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Ingrown Nail
Joint Pain
Kidney Infection
Limb Pain
Lipid Disorders
Malaise and Fatigue
Mild Asthma
Nail and Nail Bed Infection
Nail Infection
Nausea
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Osteoporosis
Pharyngitis
Pneumonia
Sinus Bradycardia
Sleep Apnea
Strep Throat
Throat Pain
Tobacco Use Disorder
Tonsillitis
Urinary Incontinence
Urinary Tract Infection (UTI)
Vertigo
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ACTH (Cosyntropin) Stimulation Test
Alcohol Misuse Screening and Counseling
Alcohol or Substance Misuse Screening and Counseling
Anemia and Iron Deficiency Screening
Arrhythmia Screening
Bacteriuria Screening
Blood Allergy Testing
Bone Density Scan
Breast Cancer Screening
Cancer Screening
Cardiac Ultrasound
Cardiovascular Stress Test
Chest Pain Evaluation
Chlamydia Infection Screening
Cholesterol Screening
Dementia Evaluation
Dementia or Depression Screening
Detoxification Evaluation
Diabetes Screening
Diabetic Evaluation
Dipstick Urinalysis
Disability Evaluation
Drug Allergy Testing
Dual-Energy X-Ray Absorptiometry (DEXA) Scan
Dyslexia Assessment
Evaluation and Treatment of Sleep Disorders
Fetal Cardiac Screening
Genetic Screening for Breast Cancer
Geriatric Assessment
Gonorrhea Screening
Health Screening
HeartAware Online Risk Screening
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Herpes Simplex Screening
HIV Screening
Home Sleep Study
Immunization Administration
Impairment Rating Evaluation
Independent Educational Evaluation
Joint Fluid Test
Lyme Disease Evaluation
Mammography
McMurray's Test
Melanoma Screening
Memory Evaluation
Menopause Evaluation and Treatment
Mole Evaluation
Oral Glucose Tolerance Test
Osteoporosis Screening
Ovarian Cancer Screening
Patch Testing
Pre-Operative Evaluation
Pregnancy Test
Prostate Cancer Screening
Prostate Cancer Screening Exam (DRE)
Psychiatric Evaluation
Psychiatric Evaluation - Child and Adolescent
Psychological Evaluation
Psychological Evaluations Prior to Bariatric Surgery
Rapid Flu Test
Sexually Transmitted Infections Screening
Skin Screenings
Skin Testing and Screening
Spinal and Postural Screening
STD Screening
Strep Test
Syphilis Screening
Thyroid Screening
Trichomoniasis Screening
Tuberculosis Screening
Urine Pregnancy Test
Vaccination
Vaginosis Screening
VAP Lipid Testing
Wheelchair Evaluation
Worker's Compensation Evaluations

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Individual & Family

Where Dr. John Barrett, MD Sees Patients

  1. 1 Kaiser Foundation Health Plan of the Mid Atlantic States Inc
    655 Watkins Mill Rd, Gaithersburg, MD 20879
    Monday
    08:30 - 17:00
    Tuesday
    08:30 - 17:00
    Wednesday
    08:30 - 17:00
    Thursday
    08:30 - 17:00
    Friday
    08:30 - 17:00

What Patients Say

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Meet Dr. John Barrett, MD

Specialties*
Public Health & General Preventive Medicine
Aerospace Medicine
Family Medicine
Occupational 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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FAQs About Dr. Barrett'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 Barrett, MD. To arrange an appointment, call the number on Dr. Barrett's profile.

Dr. John Barrett, MD is affiliated with Klickitat Valley Hospital.

Yes, Dr. John Barrett, MD holds board certification in Family Practice, Occupational Medicine and Public Health & General Preventive Medicine.

Training & Medical Education
Board Certifications
  • Family Practice, Occupational Medicine and Public Health & General Preventive 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.
Residency Hospital
  • Madigan Army Medical Center
Residency Hospital

Hospitals Where Dr. John Barrett, MD Practices

  • Klickitat Valley Hospital

    310 S Roosevelt St, Goldendale, WA

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