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