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