Ronald J Distajo, MD| Internal Medicine | MedStar Health
Clinical areas of focus
- Digestive System Symptoms
- Heart Failure Medication Management
- High Blood Pressure
- Physical Exams
- Preventive Action
- Respiratory Disorders
- Subclinical Hypothyroidism
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)
- Claudication
- 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
- Heart Murmur
- Hematuria
- Hemorrhagic Conditions
- Hemorrhoids
- Hepatitis
- High Blood Pressure
- High Cholesterol
- Hip Pain
- Hordeolum And Chalazion
- Hyperglycemia
- Hypertension
- Hypertension Crisis
- Hyperthyroidism
- Hypertriglyceridemia
- 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
- Palpitations
- 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
- Syncope
- 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
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
- 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
- Hormone Replacement Therapy
- Hyperlipidemia Treatment
- Hypertension 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
- Peak Flow Measurement
- Pharmacogenomics
- Pharmacological Therapy
- Physical Exams
- Pioglitazone Therapy
- Pre-Operative Clearance
- Preventive Action
- Psa Testing
- Rash Treatment
- Respiratory Infection Treatment
- Rheumatology Treatment
- Senior Coaching
- Sexually Transmitted Disease Testing
- Sinusitis Treatment
- Skin Tag Removal
- Sleep Disorder Management
- Sore Throat Management
- Spirometry Test
- Staple Removal
- 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
- Vision Screening
- Wellness Exams
- Wellness Services
- Women's Health Exam
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.
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List of insurance plans we accept
- Humana Medicare Advantage - HMO Open Access
- Cigna Achieve Medicare (HMO C-SNP)
- Amerigroup DC Alliance
- MultiPlan, Inc
- Advantra Platinum (PPO)
- TRICARE for Life East
- CIGNA SureFit (HMO)
- POS OA
- Beech Street PPO
- Medicare Advantage - Advantra Value (PPO)
- IH-Open Network Only Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CIGNA POS/Network POS
- United Healthcare Navigate Cardiac Global
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- United Student Resources
- First Health PPO
- Aetna VA Exchange
- Erickson Advantage Plans
- Aetna Signature Administrator PPO/TPA
- IH-PPO
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Blue Choice Advantage
- Aetna Better Health of MD
- Aetna Worker's Compensation Network
- IH-POS Plus
- MedStar Family Choice DC Healthy Families
- AmeriHealth Caritas DC Healthy Families
- Private Fee-for-Service Plans (PFFS)
- First Health PPO
- M.D. IPA (HMO)
- Aetna Better Health of VA
- AMERIVANTAGE/Amerigroup Community Care
- United Healthcare Options (PPO)
- Humana Gold Plus HMO
- Aetna Managed Choice (POS)
- Kaiser Permanente Signature
- Optimum Choice Preferred (POS)
- IH-Open HMO Option
- CIGNA PPO Plus
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Kaiser Permanente Select - Added Choice
- Jai Medical Systems - Maryland Health Choice
- CIGNA Connect EPO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst Community Health Plan of MD
- Amerigroup DC Healthy Families
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Sentara Health
- CIGNA PPO
- Choice POS
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Lasso Healthcare - Medicare Medical Savings Account
- United Medicare Private Fee-for-Service (PFFS) plans
- Humana Medicare Advantage - PPO
- Cigna TotalCare (HMO D-SNP)
- Maryland Physicians Care MCO
- Aetna Medicare Advantage HMO & PPO Plans
- NYC Medicare Advantage Plus
- CIGNA Indemnity
- CareFirst MedStar Select PPO
- Aetna Traditional Choice (PPO)
- Kaiser Permanente Flexible Choice POS Cardiac Global
- HealthyBlue PPO
- Anthem BCBS Medi Blue Dual Adv
- CIGNA HMO & Network (HMO)
- Health Services for Children with Special Needs
- Aetna Medicare Advantage PFFS Plan
- OCI Direct (HMO)
- United Healthcare Choice Plus
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Tricare Reserve Select
- Medicare Direct
- AmeriHealth Caritas DC Healthcare Alliance
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Anthem BCBS Medi Blue Plus
- Coventry Health Care National Network PPO
- Anthem Federal Employee Program Basic
- United Healthcare Select HMO - EPO/NPP
- CareFirst Group Medicare Advantage
- BlueChoice Open Access
- DC/MD SHOP QHP Small Business Plans
- CareFirst Blue Preferred PPO
- UHC Passport
- HumanaChoice PPO
- Johns Hopkins Advantage MD PPO
- Aetna Advantage 6350PD
- MedStar Family Choice DC Healthcare Alliance
- Options PPO Cardiac Global
- Anthem Federal Employee Program Standard
- Mamsi Life & Health (Indem./PPO)
- Private Health Care Systems (PPO)
- Aetna HMO
- United Healthcare Choice Plus Cardiac Global
- United Healthcare Choice Cardiac Global
- Alterwood Advanatge HMO & DSNP Plans
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- CareFirst NASCO
- IH-Network Only Plus
- Aetna Advantage 5750
- Kaiser Permanente Flexible Choice 3-tier POS
- IH-Open EPO Plus
- CareFirst Administrators
- IH-Open POS Plus
- OA Plus
- IH-Open POS II
- Aetna Basic
- CareFirst Dual Prime HMO-SNP
- Veterans Affairs Community Care Network
- Choice POS II Open Access
- UnitedHealthcare Individual Exchange Plans
- HumanaChoice Honor's plan PPO
- Medicare FFS
- CIGNA HMO Open Access
- CareFirst EPO
- HighMark
- Choice Care Network/HUMANA (PPO)
- Choice Fund PPO
- Aetna Classic 5000
- WellPoint Maryland - Maryland Health Choice
- Uniformed Services Family Health Plan
- Cigna True Choice Plus Medicare (PPO)
- IH-EPO Plus
- Johns Hopkins Advantage MD PLUS PPO
- Kaiser Maryland Medicaid MCO
- Coventry of Delaware HMO/PPO
- Choice POS II
- Police and Fire Clinic
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna Quality Point of Service (POS)
- Cigna Preferred Medicare (HMO)
- Aetna Classic 5000PD
- United Healthcare Choice
- Employee Health Plan
- CareFirst Maryland Point of Service Plan
- Aetna Student Health Insurance
- Healthy Blue (HMO, POS)
- IH-Indemnity
- TriWest Healthcare Alliance
- Aetna Advantage 6350
- Geisinger Medicare Advantage
- Optimum Choice
- TRICARE East Prime
- Kaiser Permanente Medicare Plus
- United Healthcare Community Plan - VA Medicaid MCO
- CareFirst BlueChoice HMO
- Select HMO/HealthFund/Health Network
- Great-West Healthcare POS/CIGNA
- CareFirst (NCA) Indemnity
- Anthem BCBS Medi Blue SNP
- M.D. IPA Preferred (POS)
- Core Essential (HMO)
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Kaiser Permanente Signature - Added Choice
- CareFirst Blue Choice Opt Out Open Access
- Optima Family Care MCO - VA Medicaid MCO
- CareFirst Blue Card Program
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- UnitedHealthcare and AARP Medicare Complete Plans
- IH-HMO
- IH-Open HMO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- CIGNA EPO
- CareFirst FEP Blue Focus
- TRICARE East Select
- Aetna Open Choice (PPO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- IH-POS
- Kaiser Permanente Medicare Advantage Signature and Select
- CareFirst MedStar PPO
- Magellan Complete Care of VA - VA Medicaid MCO
- Cigna True Choice Medicare (PPO)
- Network OA
- Aetna Premier 200PD
- Coventry Health Care of Virginia
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Aetna Classic 3500
- Cigna Alliance Medicare (HMO)
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Johns Hopkins Advantage MD HMO
- Aetna Managed Choice Open Access (POS)
- Priority Partners - Maryland Health Choice
- Kaiser Permanente Select Cardiac Global
- MedStar Family Choice - Maryland Health Choice
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- United Healthcare Select Plus (POS)
- Navigate
- Aetna Elect Choice/ Open Access (POS)
- CareFirst Maryland Indemnity or PPO
- Kaiser Permanente Select
- Anthem BCBS of VA HealthKeepers Plus
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: CHA Cambridge Hospital (2005)
Residency: Cook County Health and Hospital System of Illinois (2003)
Awards
- Washingtonian Top Doc 2025
Hospital affiliations
News and publications
Woolhandler S, Himmelstein DU, Distajo R, Lasser KE, McCormick D, Bor DH, Wolfe SH. America's Neglected Veterans: 1.7 Million Who Served Have No Health Coverage. International Journal of Health Sciences. 2005;35(2):313-323. doi: 10.2190/UPBQ-C3RH-D367-5H9D. PubMed PMID: 15932009.