Kathleen Ann McClanahan, ANPBC MSN| Cardiology, Gastroenterology | MedStar Health
Kathleen Ann McClanahan

Kathleen Ann McClanahan, ANPBC MSN
Provider is directly employed by MedStar Health

4.8 out of 5 (449 reviews)

Specialties: Cardiology, Gastroenterology, Cardiac Surgery

Languages: English

Clinical areas of focus

  • Abdominal Pain
  • Atrial Flutter
  • Colonoscopy
  • Constipation
  • Dysphagia
  • Enteroscopy
  • Gastroenteritis
  • Gastrointestinal Bleeding
  • Gastrointestinal Bleeding And Rectal Bleeding
  • Hemorrhoidectomy
  • Hemorrhoids
  • Intestinal Dysmotility
  • Throat Pain
  • Transrectal Ultrasound
  • Upper Endoscopy
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Conditions and procedures

Conditions I treat

  • Abdominal Cramping
  • Abdominal Distension
  • Abdominal Pain
  • Abdominal Wall Abscess
  • Abnormal Body Structure Imaging
  • Abnormal Stool
  • Acute Bacterial Endocarditis
  • Acute Pancreatitis
  • Advanced Heart Failure
  • Advanced Heart Failure (ADHF)
  • Advanced Heart Failure (AHF)
  • Advanced Heart Failure Care
  • Alimentary Tract Foreign Body
  • Altered Bowel Habits
  • Amyloidosis
  • Anal Abscess
  • Anal Fissures
  • Angina
  • Anus And Rectum Diseases
  • Aortic Regurgitation
  • Aortic Stenosis
  • Aortic Valve Regurgitation
  • Aphagia And Dysphagia
  • Ascites
  • Atherosclerosis
  • Atherosclerosis Of Aorta
  • Atrial Fibrillation
  • Atrial Flutter
  • Autoimmune Hepatitis
  • Bicuspid Aortic Valve
  • Biliary Tract Disease
  • Bladder Incontinence
  • Blood In Stool
  • Bowel Obstruction
  • Bradycardia
  • Bundle Branch Block
  • Candidiasis
  • Cardiac Arrest
  • Cardiac Arrhythmias
  • Cardiomyopathy
  • Catecholaminergic Polymorphic Ventricular Tachycardia
  • Celiac Disease
  • Cellulitis
  • Choledocholithiasis
  • Chronic Diarrhea
  • Chronic Thromboembolic Pulmonary Hypertension
  • Clotting Disorders
  • Colic In Infants
  • Colitis
  • Colon Polyps
  • Colonic Diverticulosis
  • Colonoscopy
  • Constipation
  • Coronary Artery Disease
  • Crohn's Disease
  • Diabetic Gastroparesis
  • Diaphragmatic Hernia
  • Digestive System Cancer
  • Digestive System Complications
  • Digestive System Diseases
  • Digestive System Symptoms
  • Diseases Of Esophagus
  • Diseases Of Stomach And Duodenum
  • Disorders Of Mineral Metabolism
  • Diverticular Disease
  • Diverticulitis
  • Duodenal Ulcer
  • Dysphagia
  • Eisenmenger Syndrome
  • Epigastric Pain
  • Esophageal Cancer
  • Esophageal Hernia
  • Esophageal Stricture
  • Esophagitis
  • External Hemorrhoids
  • Fibromuscular Dysplasia
  • Flatulence
  • Functional Dyspepsia
  • Functional Intestinal Disorders
  • Gallbladder Disease
  • Gallstones
  • Gastric Cancer
  • Gastric Varices
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal Reflux Disease
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Gastrointestinal Bleeding
  • Gastrointestinal Bleeding And Rectal Bleeding
  • General Symptoms
  • Gestational Edema
  • H. Pylori Infection
  • Heart Disease
  • Heart Murmur
  • Helicobacter Pylori
  • Hemorrhagic Conditions
  • Hemorrhoids
  • Hemorrhoids And Perianal Venous Thrombosis
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • High Cholesterol
  • Hypertension
  • Hypertrophic Cardiomyopathy
  • Infectious Gastroenteritis
  • Inflammatory Bowel Disease
  • Inflammatory Bowel Disease (IBD) With Infection
  • Intestinal Dysmotility
  • Intestinal Infections
  • Intestinal Stenosis
  • Intracranial Aneurysm
  • Irritable Bowel Syndrome
  • Jaundice
  • Kawasaki Disease
  • Left Ventricular Hypertrophy
  • Liver Cancer
  • Liver Cirrhosis
  • Liver Encephalopathy
  • Liver Fibrosis
  • Liver Transplantation
  • Lymphangitis
  • Lymphedema
  • Malabsorption
  • Melena
  • Mitral Regurgitation
  • Mitral Valve Disease
  • Mitral Valve Prolapse
  • Mitral Valve Stenosis
  • Myocardial Infarction
  • Nausea
  • Noninfective Gastroenteritis
  • Palpitations
  • Pancreatic Benign Conditions (E.G. PANCREATITIS, PANCREATIC CYSTS)
  • Pancreatic Diseases
  • Pancreatitis
  • Paralytic Ileus And Intestinal Obstruction
  • Patent Ductus Arteriosus
  • Patent Foramen Ovale
  • Peptic Ulcer Disease
  • Perianal Fistula
  • Perianal Itching
  • Perianal Pain
  • Peripheral Vascular Disease Of The Intestines
  • Personal History Of Diseases And Conditions
  • Polycystic Liver Disease
  • Portal Hypertension
  • Postprandial Diarrhea
  • Postprandial Pain
  • Premature Ventricular Contractions
  • Proctitis
  • Pulmonary Edema
  • Pulmonary Valve Disorders
  • Rectal Cancer
  • Rectal Pain
  • Rectal Ulcers
  • Restrictive Cardiomyopathy
  • Rheumatic Heart Disease
  • Sick Sinus Syndrome
  • Single Ventricle Heart Defects
  • Small Intestine Cancer
  • Stomach Cancer
  • Stomach Cramps
  • Stomach Ulcers
  • Supraventricular Tachycardia
  • Swallowing Disorders
  • Swelling In Legs
  • Syncope
  • Tachycardia
  • Throat Pain
  • Tricuspid Stenosis
  • Ulcerative Colitis
  • Vascular Disorders Of Intestine
  • Venous Thromboembolism
  • Ventricular Aneurysm
  • Ventricular Fibrillation
  • Ventricular Tachycardia
  • Vitamin Deficiency
  • Vomiting
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Procedures I perform

  • Abdominal Ultrasound
  • Anal Canal Reconstruction
  • Barium Enema
  • Bowel Resection
  • Capsule Endoscopy
  • Carotid Artery Aneurysm Repair
  • Celiac Plexus Block
  • Colonoscopy
  • Computerized Tomography (CT) Scan
  • Diagnostic Radiology
  • Electrodesiccation And Curettage
  • Endoscopic Mucosal Resection
  • Endoscopic Retrograde Cholangiopancreatography
  • Enterectomy
  • Enteroscopy
  • Esophageal Dilation
  • Gastric Manometry
  • Gastroesophageal Reflux Disease
  • Gastrointestinal Motility Study
  • Gastrointestinal Tube Placement
  • Helicobacter Pylori Stool Test
  • Hemorrhoidectomy
  • Hydrogen Breath Test
  • Hysteroscopic Polyp Resection
  • Immunoglobulin Administration
  • Inflammatory Bowel Disease
  • Intra-Abdominal Abscess Drainage
  • Lactose Breath Test
  • Laparoscopic Splenectomy
  • Liver Biopsy
  • Liver Imaging
  • Lymphedema
  • Magnetic Resonance Imaging (MRI)
  • Neonatal Abdominal Paracentesis
  • Percutaneous Cholecystostomy
  • Percutaneous Liver Biopsy
  • PH Probe Studies
  • Pulmonary Artery Stenosis Repair
  • Sonohysterography
  • Stretta Procedure
  • Transrectal Ultrasound
  • Upper Endoscopy
  • Urea Breath Test
  • Variceal Band Ligation
  • Virtual Autopsy
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Practice locations

Distance from Change LocationEnter your Location

24035 Three Notch Rd
Hollywood, MD, 20636

301-373-7900

Fax 301-373-6900

Get Directions

miles away

Fax 301-373-6900

110 Irving St NW
MHVI-1st Floor North Addition
Washington, DC, 20010

202-877-4698

Fax 202-877-2799

Get Directions

miles away

Fax 202-877-2799

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.

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

Education

Board Certification: American Nurses Credentialing Center,

Medical School: The Catholic University Of America (2001)

Graduate: The Catholic University Of America (2001)

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.8
  • Extent to which the care provider listened to you

    4.8
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.8
  • Provider included you in decisions

    4.8
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.8
  • Sep 23, 2025

    Would highly recommend

  • Sep 19, 2025

    She was friendly and professional, answered all my questions, and wasn't rushed.

  • Aug 19, 2025

    Very knowledgeable and I felt immediate rapport with her.