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 HMO Open Access
- Kaiser Maryland Medicaid MCO
- United Medicare Private Fee-for-Service (PFFS) plans
- Medicare Advantage - Advantra Value (PPO)
- AmeriHealth Caritas DC Healthy Families
- Maryland Physicians Care MCO
- Amerigroup DC Alliance
- United Healthcare Choice Cardiac Global
- Optima Family Care MCO - VA Medicaid MCO
- TRICARE for Life East
- Johns Hopkins Advantage MD PLUS PPO
- Aetna Student Health Insurance
- Choice Care Network/HUMANA (PPO)
- First Health PPO
- Medicare Direct
- Aetna Managed Choice (POS)
- Aetna Better Health of MD
- CareFirst Blue Card Program
- Coventry Health Care of Virginia
- UnitedHealthcare Individual Exchange Plans
- M.D. IPA (HMO)
- CIGNA Indemnity
- Coventry Health Care National Network PPO
- IH-POS Plus
- Cigna True Choice Plus Medicare (PPO)
- UHC Passport
- Employee Health Plan
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CIGNA Connect EPO
- Cigna Achieve Medicare (HMO C-SNP)
- Aetna Medicare Advantage PFFS Plan
- First Health PPO
- United Healthcare Select HMO - EPO/NPP
- CareFirst Community Health Plan of MD
- Select HMO/HealthFund/Health Network
- Cigna True Choice Medicare (PPO)
- IH-Open HMO
- Uniformed Services Family Health Plan
- HumanaChoice PPO
- WellPoint Maryland - Maryland Health Choice
- IH-HMO
- Healthy Blue (HMO, POS)
- IH-Indemnity
- Aetna Worker's Compensation Network
- Amerigroup DC Healthy Families
- Kaiser Permanente Signature
- CareFirst MedStar Select PPO
- Medicare FFS
- MedStar Family Choice - Maryland Health Choice
- IH-Open EPO Plus
- HumanaChoice Honor's plan PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Open Choice (PPO)
- Anthem BCBS of VA HealthKeepers (HMO)
- BlueChoice Open Access
- United HealthCare Community Plan - Maryland Health Choice Program
- Tricare Reserve Select
- Kaiser Permanente Select - Added Choice
- CareFirst EPO
- IH-EPO Plus
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- IH-Open POS II
- POS OA
- Cigna TotalCare (HMO D-SNP)
- OCI Direct (HMO)
- Alterwood Advanatge HMO & DSNP Plans
- Magellan Complete Care of VA - VA Medicaid MCO
- Advantra Platinum (PPO)
- Anthem BCBS of VA HealthKeepers Plus
- DC/MD SHOP QHP Small Business Plans
- Coventry of Delaware HMO/PPO
- CareFirst Dual Prime HMO-SNP
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- CareFirst NASCO
- Sentara Health
- MultiPlan, Inc
- Core Essential (HMO)
- Aetna Premier 200PD
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Options PPO Cardiac Global
- Aetna Basic
- MedStar Family Choice DC Healthy Families
- CIGNA EPO
- Veterans Affairs Community Care Network
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- NYC Medicare Advantage Plus
- CareFirst MedStar PPO
- CIGNA PPO
- TRICARE East Prime
- Aetna Classic 5000
- CareFirst Administrators
- Jai Medical Systems - Maryland Health Choice
- CareFirst Blue Choice Opt Out Open Access
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- United Healthcare Community Plan - VA Medicaid MCO
- Kaiser Permanente Flexible Choice 3-tier POS
- Kaiser Permanente Select
- Choice POS
- IH-Open HMO Option
- Aetna Traditional Choice (PPO)
- Police and Fire Clinic
- Aetna Managed Choice Open Access (POS)
- CIGNA HMO & Network (HMO)
- IH-PPO
- Blue Choice Advantage
- IH-POS
- United Healthcare Select Plus (POS)
- Lasso Healthcare - Medicare Medical Savings Account
- CareFirst Group Medicare Advantage
- Aetna Classic 5000PD
- M.D. IPA Preferred (POS)
- Anthem Federal Employee Program Basic
- Aetna Elect Choice/ Open Access (POS)
- OA Plus
- Kaiser Permanente Medicare Advantage Signature and Select
- United Student Resources
- Mamsi Life & Health (Indem./PPO)
- CareFirst FEP Blue Focus
- Optimum Choice Preferred (POS)
- United Healthcare Navigate Cardiac Global
- Kaiser Permanente Select Cardiac Global
- Aetna HMO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Aetna Advantage 6350
- Aetna Medicare Advantage HMO & PPO Plans
- United Healthcare Options (PPO)
- Aetna Signature Administrator PPO/TPA
- Anthem BCBS Medi Blue SNP
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Humana Medicare Advantage - PPO
- Choice Fund PPO
- Aetna Classic 3500
- Erickson Advantage Plans
- Private Fee-for-Service Plans (PFFS)
- Network OA
- Johns Hopkins Advantage MD HMO
- CIGNA PPO Plus
- HealthyBlue PPO
- Aetna Advantage 6350PD
- IH-Network Only Plus
- TRICARE East Select
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Anthem BCBS Medi Blue Plus
- IH-Open Network Only Plus
- CIGNA SureFit (HMO)
- Johns Hopkins Advantage MD PPO
- Kaiser Permanente Signature - Added Choice
- Health Services for Children with Special Needs
- Kaiser Permanente Flexible Choice POS Cardiac Global
- United Healthcare Choice
- TriWest Healthcare Alliance
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Private Health Care Systems (PPO)
- Aetna VA Exchange
- Beech Street PPO
- CareFirst Maryland Indemnity or PPO
- Humana Gold Plus HMO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- UnitedHealthcare and AARP Medicare Complete Plans
- Cigna Preferred Medicare (HMO)
- Choice POS II Open Access
- Aetna Quality Point of Service (POS)
- Anthem BCBS Medi Blue Dual Adv
- Priority Partners - Maryland Health Choice
- Anthem Federal Employee Program Standard
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- United Healthcare Choice Plus Cardiac Global
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Choice POS II
- Humana Medicare Advantage - HMO Open Access
- Optimum Choice
- Aetna Better Health of VA
- CIGNA POS/Network POS
- CareFirst Maryland Point of Service Plan
- CareFirst (NCA) Indemnity
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- AmeriHealth Caritas DC Healthcare Alliance
- Kaiser Permanente Medicare Plus
- MedStar Family Choice DC Healthcare Alliance
- HighMark
- AMERIVANTAGE/Amerigroup Community Care
- United Healthcare Choice Plus
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- IH-Open POS Plus
- CareFirst BlueChoice HMO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Geisinger Medicare Advantage
- Aetna Advantage 5750
- Navigate
- CareFirst Blue Preferred PPO
- Great-West Healthcare POS/CIGNA
- Cigna Alliance Medicare (HMO)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
Education
Residency Program: MedStar Washington Hospital Center (1994)
Internship Program: MedStar Washington Hospital Center (1992)
Medical School: George Washington University (1991)