Carl Johnson, MD| Internal Medicine | MedStar Health
About me
Areas of Clinical Interest:
- Health Education for Chronic Disease Management
- Hypertension
"My philosophy of care is focused on using evidence-based medicine in partnership with my patient to develop a plan of care that improves their quality of life and fits their life-style. My patients should leave the office with an understanding of their medical history, treatment plan, and steps they can take to improve their overall 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)
- 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
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
- Peak Flow Measurement
- 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
- Staple Removal
- Suture Removal
- Tobacco Cessation
- 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
- CIGNA POS/Network POS
- Medicare FFS
- Kaiser Permanente Flexible Choice 3-tier POS
- Aetna Better Health of VA
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Cigna True Choice Medicare (PPO)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Beech Street PPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Private Health Care Systems (PPO)
- HighMark
- Veterans Affairs Community Care Network
- Aetna Worker's Compensation Network
- AmeriHealth Caritas DC Healthcare Alliance
- Aetna Signature Administrator PPO/TPA
- Aetna Student Health Insurance
- Priority Partners - Maryland Health Choice
- MedStar Family Choice DC Healthy Families
- Aetna VA Exchange
- Anthem Federal Employee Program Basic
- Anthem BCBS Medi Blue Dual Adv
- Choice Care Network/HUMANA (PPO)
- CIGNA Indemnity
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Amerigroup DC Healthy Families
- Jai Medical Systems - Maryland Health Choice
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Cigna Preferred Medicare (HMO)
- Humana Medicare Advantage - PPO
- Kaiser Permanente Select - Added Choice
- MedStar Family Choice - Maryland Health Choice
- Kaiser Permanente Flexible Choice POS Cardiac Global
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CareFirst MedStar PPO
- Sentara Health
- Choice POS II Open Access
- Options PPO Cardiac Global
- CIGNA HMO & Network (HMO)
- Coventry Health Care National Network PPO
- OCI Direct (HMO)
- Aetna Advantage 6350PD
- Anthem BCBS Medi Blue SNP
- Aetna Medicare Advantage PFFS Plan
- CIGNA EPO
- Humana Gold Plus HMO
- CareFirst Blue Card Program
- Core Essential (HMO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Aetna Elect Choice/ Open Access (POS)
- Aetna Premier 200PD
- HumanaChoice PPO
- IH-Open EPO Plus
- Cigna Alliance Medicare (HMO)
- AmeriHealth Caritas DC Healthy Families
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Aetna Quality Point of Service (POS)
- TRICARE East Prime
- CareFirst Blue Preferred PPO
- TriWest Healthcare Alliance
- IH-POS Plus
- IH-Open POS Plus
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- United HealthCare Community Plan - Maryland Health Choice Program
- IH-POS
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- United Healthcare Select Plus (POS)
- Optimum Choice
- Employee Health Plan
- Erickson Advantage Plans
- United Medicare Private Fee-for-Service (PFFS) plans
- MultiPlan, Inc
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna Advantage 5750
- CareFirst Group Medicare Advantage
- Cigna Achieve Medicare (HMO C-SNP)
- Coventry of Delaware HMO/PPO
- Kaiser Permanente Medicare Plus
- Humana Medicare Advantage - HMO Open Access
- Aetna HMO
- CIGNA HMO Open Access
- DC/MD SHOP QHP Small Business Plans
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Police and Fire Clinic
- WellPoint Maryland - Maryland Health Choice
- Lasso Healthcare - Medicare Medical Savings Account
- CareFirst Dual Prime HMO-SNP
- CIGNA Connect EPO
- United Healthcare Navigate Cardiac Global
- AMERIVANTAGE/Amerigroup Community Care
- Alterwood Advanatge HMO & DSNP Plans
- IH-Open HMO Option
- Aetna Managed Choice Open Access (POS)
- United Healthcare Choice Plus
- OA Plus
- CareFirst Blue Choice Opt Out Open Access
- CareFirst Maryland Point of Service Plan
- Optimum Choice Preferred (POS)
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Medicare Advantage HMO & PPO Plans
- Johns Hopkins Advantage MD PPO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- TRICARE for Life East
- Kaiser Permanente Signature - Added Choice
- Anthem Federal Employee Program Standard
- United Healthcare Choice Plus Cardiac Global
- BlueChoice Open Access
- Network OA
- UnitedHealthcare Individual Exchange Plans
- Aetna Classic 5000PD
- Anthem BCBS of VA HealthKeepers (HMO)
- Health Services for Children with Special Needs
- Aetna Basic
- Kaiser Permanente HMO Plus and DHMO Plus Member
- United Healthcare Options (PPO)
- Aetna Classic 5000
- Aetna Open Choice (PPO)
- Navigate
- Blue Choice Advantage
- CareFirst FEP Blue Focus
- Anthem BCBS Medi Blue Plus
- POS OA
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CIGNA SureFit (HMO)
- MedStar Family Choice DC Healthcare Alliance
- Choice POS
- IH-Indemnity
- Johns Hopkins Advantage MD HMO
- Cigna True Choice Plus Medicare (PPO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Private Fee-for-Service Plans (PFFS)
- CareFirst Community Health Plan of MD
- CareFirst MedStar Select PPO
- IH-Open HMO
- Healthy Blue (HMO, POS)
- Kaiser Maryland Medicaid MCO
- CareFirst BlueChoice HMO
- CareFirst Administrators
- United Healthcare Community Plan - VA Medicaid MCO
- CareFirst NASCO
- Kaiser Permanente Select
- CareFirst EPO
- TRICARE East Select
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- United Healthcare Choice
- Amerigroup DC Alliance
- IH-EPO Plus
- CIGNA PPO Plus
- Kaiser Permanente Medicare Advantage Signature and Select
- Cigna TotalCare (HMO D-SNP)
- CareFirst Maryland Indemnity or PPO
- UHC Passport
- M.D. IPA Preferred (POS)
- Aetna Better Health of MD
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Advantra Platinum (PPO)
- IH-PPO
- Select HMO/HealthFund/Health Network
- Coventry Health Care of Virginia
- Anthem BCBS of VA HealthKeepers Plus
- Choice POS II
- IH-Open Network Only Plus
- HealthyBlue PPO
- Aetna Traditional Choice (PPO)
- Medicare Direct
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Kaiser Permanente Signature
- Kaiser Permanente Select Cardiac Global
- HumanaChoice Honor's plan PPO
- Aetna Classic 3500
- CareFirst (NCA) Indemnity
- CIGNA PPO
- Mamsi Life & Health (Indem./PPO)
- United Healthcare Choice Cardiac Global
- IH-Open POS II
- United Healthcare Select HMO - EPO/NPP
- United Student Resources
- IH-HMO
- Maryland Physicians Care MCO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- NYC Medicare Advantage Plus
- Uniformed Services Family Health Plan
- Aetna Advantage 6350
- Choice Fund PPO
- Geisinger Medicare Advantage
- IH-Network Only Plus
- Medicare Advantage - Advantra Value (PPO)
- Tricare Reserve Select
- M.D. IPA (HMO)
- Aetna Managed Choice (POS)
- UnitedHealthcare and AARP Medicare Complete Plans
- First Health PPO
- Great-West Healthcare POS/CIGNA
- Johns Hopkins Advantage MD PLUS PPO
- First Health PPO
Education
Residency Program: MedStar Washington Hospital Center (1994)
Internship Program: MedStar Washington Hospital Center (1992)
Medical School: George Washington University (1991)