Gerard H Harris, MD| Internal Medicine | MedStar Health
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Gerard H Harris

Gerard H Harris, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (3406 reviews)

Specialties: Internal Medicine

Languages: English

(202) 877-2208

Not Accepting New Patients Not Accepting New Patients

About me

Dr. Harris has been awarded Recognition by the National Committee for Quality Assurance and American Diabetes Association Diabetes Recognition Program (DRP). Clinicians who achieve DRP Recognition are part of an elite group that is publicly recognized for its skill in providing the highest level of diabetes care.

Dr. Harris has been awarded recognition by the National Committee for Quality Assurance Physician Practice Connections Patient-Centered Medical Home Program (PPC-PCMH). Recognition identifies clinicians who make the most of clinical information to make better decisions and provide better follow-up care.

Clinical areas of focus

  • Digestive System Symptoms
  • Heart Failure Medication Management
  • High Blood Pressure
  • Physical Exams
  • Preventive Action
  • Respiratory Disorders
  • Subclinical Hypothyroidism
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Conditions and procedures

Conditions I treat

  • Abdomen, Lower Back, Pelvis, And Genital Injury
  • Abdominal Pain
  • Abnormal Blood Glucose Levels
  • Abnormal Breathing
  • Abnormal Drug Findings In Blood
  • Abnormal Function Study Results
  • Abnormal Heart Rhythm
  • Abnormal Immunological Findings
  • Abnormal Lung Imaging Results
  • Abnormal Urine Test Results
  • Acute Bronchitis
  • Acute Cholecystitis
  • Acute Endocarditis
  • Acute Myocardial Infarction
  • Acute Pancreatitis
  • Acute Sinusitis
  • Adrenal Crisis
  • Adrenal Gland Disorder
  • Allergic Contact Dermatitis
  • Allergies
  • Anemia
  • Angina
  • Anxiety
  • Aphagia And Dysphagia
  • Ascites
  • Atherosclerosis
  • Back Pain
  • Bipolar Disorder
  • Bladder Disorders
  • Bladder Incontinence
  • Bleeding Disorders
  • Body Region Injury
  • Bone Density Disorder
  • Bone Disorders
  • Bowel Obstruction
  • Breast Lump
  • Bronchiectasis
  • Bronchiolitis
  • Bronchitis
  • Bursopathy
  • Candidiasis
  • Cardiac Arrhythmias
  • Cardiometabolic Disorders
  • Cellulitis
  • Cellulitis And Lymphangitis
  • Central Sleep Apnea
  • Chest Pain
  • Choledocholithiasis
  • Cholestasis
  • Chronic Asthma
  • Chronic Fatigue Syndrome
  • Chronic Kidney Disease
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Clotting Disorders
  • Cocaine Related Disorders
  • Cognitive Function Disorders
  • Colitis
  • Colon Disease
  • Congenital Malformations Of Musculoskeletal System
  • Contact With Communicable Diseases
  • Convulsions
  • Coronary Artery Disease
  • Cough
  • Crohn's Disease
  • Crohn's Disease [Regional Enteritis]
  • Cushing Syndrome
  • Cutaneous Abscess, Furuncle And Carbuncle
  • Cystitis
  • Deforming Dorsopathies
  • Dementia
  • Depression
  • Depressive Episode
  • Diabetes Insipidus
  • Diabetic Nephropathy
  • Diabetic Neuropathy
  • Digestive System Diseases
  • Digestive System Symptoms
  • Diseases Of Esophagus
  • Diseases Of Lip And Oral Mucosa
  • Diseases Of Salivary Glands
  • Diseases Of Upper Respiratory Tract
  • Disorders Of Fluid, Electrolyte And Acid
  • Disorders Of Mineral Metabolism
  • Disorders Of Nose And Nasal Sinuses
  • Disorders Of White Blood Cells
  • Disturbances Of Skin Sensation
  • Diverticulitis
  • Dizziness And Lightheadedness
  • Dorsalgia
  • Dorsopathies
  • Duodenal Ulcer
  • Duodenitis
  • Dyslipidemia
  • Dyspnea
  • Eczema (ATOPIC DERMATITIS)
  • Electrolyte Disorders
  • Emotional State Symptoms
  • Emphysema
  • Endocrine Disorders
  • Endocrine Hypertension
  • Epilepsy And Seizures
  • External Hemorrhoids
  • Extrapyramidal And Movement Disorders
  • Eye And Adnexa Disorders
  • Family History Of Malignant Neoplasm
  • Fatigue
  • Fever
  • Fibromyalgia
  • Finger, Hand, And Wrist Open Wound
  • Flatulence
  • Functional Intestinal Disorders
  • Fungal Otitis Externa
  • Gait And Balance Problems
  • Gallstones
  • Gastritis
  • Gastroesophageal Reflux Disease
  • Gastrointestinal Bleeding
  • Genitourinary Symptoms
  • Gout
  • Grave's Disease
  • Head Injury
  • Headache
  • Heart Disease
  • Hematuria
  • Hemorrhagic Conditions
  • Hemorrhoids
  • Hepatitis
  • High Blood Pressure
  • High Cholesterol
  • Hip Pain
  • Hordeolum And Chalazion
  • Hyperglycemia
  • Hypertension
  • Hypertension Crisis
  • Hyperthyroidism
  • Hypoglycemia
  • Hypotension
  • Inflammatory Spondylopathies
  • Influenza
  • Influenza Due To Other Identified Influenza Virus
  • Intervertebral Disc Disorders
  • Irritable Bowel Syndrome
  • Ischemic Heart Disease
  • Joint Disorder
  • Kidney And Ureter Calculus
  • Kidney And Ureter Disorders
  • Kidney Stones
  • Knee Pain
  • Liver Cirrhosis
  • Liver Enzyme Abnormalities
  • Liver Failure
  • Lower Back Pain
  • Lumbar Disc Disease
  • Lung Disease
  • Malaise And Fatigue
  • Malignant Neoplasm
  • Malignant Neoplasm Of Meninges
  • Mesothelioma
  • Middle Ear Disorders
  • Migraine
  • Mononeuropathy Of Lower Limb
  • Mononeuropathy Of Upper Limb
  • Multiple Myeloma
  • Multiple Sclerosis
  • Muscle Disorders
  • Nail Disorders
  • Nephrotic Syndrome
  • Nervous And Musculoskeletal Symptoms
  • Noninfective Gastroenteritis
  • Nonrheumatic Mitral Valve Disease
  • Nontoxic Goiter
  • Obesity
  • Obstructive And Reflux Uropathy
  • Ocular Myasthenia Gravis
  • Osteoarthritis
  • Osteoporosis
  • Pain In Throat And Chest
  • Pancreatic Diseases
  • Pancreatitis
  • Paraplegia And Quadriplegia
  • Paroxysmal Ventricular Tachycardia
  • Peptic Ulcer Disease
  • Pericardium Diseases
  • Peripheral Artery Disease
  • Peripheral Vascular Disease Of The Intestines
  • Persistent Pulmonary Hypertension
  • Personal History Of Diseases And Conditions
  • Personal Risk Factors
  • Persons Encountering Health Services
  • Pneumonia
  • Pneumonitis Due To Solids And Liquids
  • Polycystic Liver Disease
  • Polyuria
  • Problems Related To Lifestyle
  • Pulmonary Heart Disease
  • Rash
  • Renal Insufficiency
  • Respiratory Disorders
  • Respiratory Failure
  • Rheumatoid Arthritis
  • Sepsis
  • Shoulder And Upper Arm Tendon Injury
  • Shoulder Burns
  • Sickle
  • Sickle Cell Disease
  • Skin And Soft Tissue Infections
  • Skin And Subcutaneous Tissue Disorders
  • Skin Changes
  • Skin Swelling And Lumps
  • Sleep Disorders
  • Social Anxiety Disorder
  • Soft Tissue Pain
  • Sore Throat
  • Specified Health Status
  • Speech Disturbances
  • Spinal Stenosis
  • Spondylosis
  • Subclinical Hypothyroidism
  • Subcortical Infarction
  • Superficial Knee Injury
  • Systemic Connective Tissue Involvement
  • Systemic Lupus Erythematosus
  • Tachycardia
  • Tendinous Disorders
  • Thrombocytopenia
  • Thyroid Disorders
  • Transplanted Kidney Failure
  • Type 2 Diabetes
  • Type 2 Diabetes Mellitus
  • Ulcerative Colitis
  • Urinary Retention
  • Urinary Tract Infection
  • Urological Disorders
  • Valve Disease With Congestive Heart Failure
  • Vasculitis
  • Vein Disorders
  • Venous Embolism
  • Venous Ulcers
  • Ventral Hernia
  • Vestibular Disorders
  • Vision Disturbances
  • Vitamin Deficiency
  • Vitamin Deficiency Anemia
  • Volume Depletion
  • Vomiting And Nausea
  • Weight Loss
  • Zoster
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Procedures I perform

  • 24-Hour Blood Pressure Monitoring
  • Abscess Incision And Drainage
  • Adhd Assessment
  • Advance Directive Planning
  • Aging Education
  • Aging Life Care
  • Aging Resource Coordination
  • Aging Well Resources
  • Alcohol Abuse Treatment
  • Anticoagulation Therapy
  • Anxiety Disorder Screening
  • Anxiety Treatment
  • Arterial Pressure Monitoring
  • Arthrocentesis
  • Asthma Management
  • Behavioral Assessment
  • Blood Chemistry Test
  • Blood Pressure Monitoring
  • Body Mass Index (BMI) Evaluation
  • Cardiovascular Health Promotion
  • Cervical Epidural Steroid Injection
  • Cholesterol Screening
  • Chronic Cough Treatment
  • Chronic Headache Treatment
  • Cognitive Behavioral Therapy
  • Cold Treatment
  • Community Health
  • Community Health Education
  • Congestive Heart Failure Management
  • Continuous Glucose Monitoring System
  • Copd Management
  • Cystitis Treatment
  • Delirium Prevention
  • Diabetes Screening
  • Diabetes Treatment
  • Digital Rectal Exam
  • Disease Management Education
  • Disease Prevention
  • Electrocardiogram
  • Failure To Thrive Evaluation And Management
  • Falls Prevention
  • Fibrinolytic Therapy
  • Flu Shot
  • Functional Abdominal Pain Treatment
  • Genetic Mutation Testing
  • Geriatric Care
  • Geriatric Care Management
  • Geriatric Community Resources
  • Geriatric Health Screening
  • Grief Counseling
  • Gynecological Cancer Screening
  • Health Maintenance Exam
  • Health Promotion Counseling
  • Healthy Aging Resources
  • Heart Failure Medication Management
  • High Cholesterol Management
  • Home Safety Evaluations
  • Hyperlipidemia Treatment
  • Immunization Administration
  • Impacted Earwax Removal
  • Intravenous Vitamin Therapy
  • Labs And Blood Work
  • Lactate Dehydrogenase
  • Lipid Profile
  • Medication Administration And Management
  • Mental Health Medication Management
  • Mental Status Exam
  • Milk Allergy Treatment
  • Mixed Venous Oxygen Saturation
  • Mole Removal
  • Muscle Injection
  • Nebulizer Therapy
  • Neuropsychological Testing
  • Nitrogen Washout Treatment
  • Non-Pharmacological Interventions
  • Osteoporosis Prevention Treatment
  • Osteoporosis Risk Assessment
  • Pain Medication Management
  • Palliative Care Coordination
  • Pap Smear
  • Parenting Resources
  • Pharmacogenomics
  • Pharmacological Therapy
  • Physical Exams
  • Pioglitazone Therapy
  • Pre-Operative Clearance
  • Preventive Action
  • Rash Treatment
  • Respiratory Infection Treatment
  • Rheumatology Treatment
  • Senior Coaching
  • Sexually Transmitted Disease Testing
  • Sinus Infection Treatment
  • Sinusitis Treatment
  • Skin Tag Removal
  • Sleep Disorder Management
  • Sore Throat Management
  • Spirometry Test
  • Suture Removal
  • Tobacco Cessation
  • Transitional Care Planning
  • Tuberculosis Testing
  • Ulcerative Colitis-Associated Arthritis Treatment
  • Undersea Medicine Consultation
  • Urinary Protein Test
  • Urinary Tract Infection (UTI) Treatment
  • Urinary Tract Infection Treatment
  • Vaccinations
  • Venous Blood Collection
  • Venous Ulcer Treatment
  • Ventricular Fibrillation Treatment
  • Wellness Exams
  • Wellness Services
  • Women's Health Exam
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Practice locations

Distance from Change LocationEnter your Location

106 Irving St NW
4200 North
Washington, DC, 20010

202-877-2200

Fax 202-877-2208

Get Directions

miles away

Fax 202-877-2208

Insurance

MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.

  • List of insurance plans we accept
    • IH-POS Plus
    • CareFirst Group Medicare Advantage
    • Blue Choice Advantage
    • HumanaChoice Honor's plan PPO
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • Aetna Basic
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • Anthem BCBS Medi Blue SNP
    • Aetna Advantage 6350
    • Kaiser Permanente Select Cardiac Global
    • IH-POS
    • Kaiser Permaenete Signature - Added Choice Cardiac Global
    • United Healthcare Choice Plus
    • Aetna Medicare Advantage HMO & PPO Plans
    • Anthem BCBS Medi Blue Dual Adv
    • MedStar Family Choice DC Healthcare Alliance
    • Health Services for Children with Special Needs
    • CareFirst Blue Preferred PPO
    • United Healthcare Choice Cardiac Global
    • IH-PPO
    • Kaiser Permanente Medicare Plus
    • HealthyBlue PPO
    • CIGNA SureFit (HMO)
    • United Healthcare Choice
    • First Health PPO
    • Select HMO/HealthFund/Health Network
    • M.D. IPA (HMO)
    • CareFirst Maryland Indemnity or PPO
    • Police and Fire Clinic
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • OA Plus
    • CareFirst Dual Prime HMO-SNP
    • IH-Open EPO Plus
    • Choice Care Network/HUMANA (PPO)
    • Kaiser Permanente Signature - Added Choice
    • CIGNA Indemnity
    • Options PPO Cardiac Global
    • Tricare Reserve Select
    • MultiPlan, Inc
    • Choice Fund PPO
    • IH-Open HMO
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • TriWest Healthcare Alliance
    • Mamsi Life & Health (Indem./PPO)
    • Optimum Choice Preferred (POS)
    • CareFirst FEP Blue Focus
    • IH-Open POS II
    • Beech Street PPO
    • Medicare Advantage - Advantra Value (PPO)
    • IH-Open Network Only Plus
    • Choice POS
    • Humana Gold Plus HMO
    • Aetna Signature Administrator PPO/TPA
    • Humana Medicare Advantage - PPO
    • CIGNA EPO
    • United Student Resources
    • Aetna Classic 5000
    • United Healthcare Choice Plus Cardiac Global
    • Navigate
    • Kaiser Permanente Flexible Choice 3-tier POS
    • Private Fee-for-Service Plans (PFFS)
    • Aetna Open Choice (PPO)
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • Anthem Federal Employee Program Basic
    • TRICARE East Select
    • Uniformed Services Family Health Plan
    • HumanaChoice PPO
    • Aetna Student Health Insurance
    • Aetna Elect Choice/ Open Access (POS)
    • POS OA
    • United Healthcare Community Plan - VA Medicaid MCO
    • UnitedHealthcare and AARP Medicare Complete Plans
    • Aetna Managed Choice Open Access (POS)
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • CareFirst Maryland Point of Service Plan
    • Aetna Premier 200PD
    • CareFirst EPO
    • DC/MD SHOP QHP Small Business Plans
    • Kaiser Permanente Signature
    • BlueChoice Open Access
    • CareFirst BlueChoice HMO
    • Anthem BCBS Medi Blue Plus
    • Johns Hopkins Advantage MD PLUS PPO
    • Anthem Federal Employee Program Standard
    • Anthem BCBS of VA HealthKeepers (HMO)
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • United Medicare Private Fee-for-Service (PFFS) plans
    • M.D. IPA Preferred (POS)
    • Cigna True Choice Plus Medicare (PPO)
    • Choice POS II
    • Cigna TotalCare (HMO D-SNP)
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • Private Health Care Systems (PPO)
    • Jai Medical Systems - Maryland Health Choice
    • CIGNA Connect EPO
    • United HealthCare Community Plan - Maryland Health Choice Program
    • UHC Passport
    • Alterwood Advanatge HMO & DSNP Plans
    • Cigna Alliance Medicare (HMO)
    • IH-Network Only Plus
    • Aetna Classic 3500
    • MedStar Family Choice - Maryland Health Choice
    • CareFirst MedStar PPO
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Maryland Physicians Care MCO
    • OCI Direct (HMO)
    • Coventry Health Care National Network PPO
    • AmeriHealth Caritas DC Healthcare Alliance
    • AMERIVANTAGE/Amerigroup Community Care
    • Employee Health Plan
    • Great-West Healthcare POS/CIGNA
    • CareFirst MedStar Select PPO
    • CareFirst Blue Choice Opt Out Open Access
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • Humana Medicare Advantage - HMO Open Access
    • Optima Family Care MCO - VA Medicaid MCO
    • Kaiser Maryland Medicaid MCO
    • WellPoint Maryland - Maryland Health Choice
    • Aetna Quality Point of Service (POS)
    • Magellan Complete Care of VA - VA Medicaid MCO
    • Erickson Advantage Plans
    • IH-Indemnity
    • Core Essential (HMO)
    • NYC Medicare Advantage Plus
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • IH-EPO Plus
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • Amerigroup DC Healthy Families
    • Advantra Platinum (PPO)
    • Medicare Direct
    • Aetna Medicare Advantage PFFS Plan
    • Lasso Healthcare - Medicare Medical Savings Account
    • Aetna VA Exchange
    • CIGNA POS/Network POS
    • Medicare FFS
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • First Health PPO
    • Cigna Preferred Medicare (HMO)
    • Johns Hopkins Advantage MD HMO
    • Cigna True Choice Medicare (PPO)
    • CIGNA HMO Open Access
    • TRICARE East Prime
    • Coventry Health Care of Virginia
    • CareFirst (NCA) Indemnity
    • UnitedHealthcare Individual Exchange Plans
    • CIGNA PPO Plus
    • CIGNA HMO & Network (HMO)
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • Optimum Choice
    • Anthem BCBS of VA HealthKeepers Plus
    • Healthy Blue (HMO, POS)
    • United Healthcare Navigate Cardiac Global
    • Kaiser Permanente Select - Added Choice
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • IH-HMO
    • Coventry of Delaware HMO/PPO
    • Network OA
    • Amerigroup DC Alliance
    • MedStar Family Choice DC Healthy Families
    • Aetna Worker's Compensation Network
    • Veterans Affairs Community Care Network
    • Geisinger Medicare Advantage
    • Aetna Traditional Choice (PPO)
    • Aetna HMO
    • CareFirst NASCO
    • Aetna Better Health of VA
    • Aetna Better Health of MD
    • Johns Hopkins Advantage MD PPO
    • CareFirst Community Health Plan of MD
    • United Healthcare Select Plus (POS)
    • Priority Partners - Maryland Health Choice
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • CareFirst Blue Card Program
    • HighMark
    • CareFirst Administrators
    • IH-Open HMO Option
    • CIGNA PPO
    • AmeriHealth Caritas DC Healthy Families
    • Cigna Achieve Medicare (HMO C-SNP)
    • IH-Open POS Plus
    • United Healthcare Select HMO - EPO/NPP
    • United Healthcare Options (PPO)
    • Choice POS II Open Access
    • Aetna Managed Choice (POS)
    • Aetna Advantage 6350PD
    • Aetna Classic 5000PD
    • Kaiser Permanente Select
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • Aetna Advantage 5750
    • Kaiser Permanente Medicare Advantage Signature and Select
    • Sentara Health
    • TRICARE for Life East

Education

Residency Program: MedStar Washington Hospital Center (1994)

Internship Program: MedStar Washington Hospital Center (1992)

Medical School: Howard University College of Medicine (1991)

Fellowship Program: Howard University (1991)

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.9
  • Extent to which the care provider listened to you

    4.9
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Provider included you in decisions

    4.9
  • Concern the care provider showed for your questions or worries

    4.9
  • Likelihood of recommending this care provider to others

    4.9
  • Dec 29, 2025

    Outstanding

  • Dec 19, 2025

    Great interaction with care provider even when opposing views on treatments

  • Dec 16, 2025

    Excellent visit with Dr. Harris. He has very good bed side manners. He' s attentive and caring.