William James Gallagher, MD| Family Medicine | MedStar Health
William James Gallagher

William James Gallagher, MD
Provider is directly employed by MedStar Health

4.7 out of 5 (144 reviews)

Specialties: Family Medicine

Languages: English

(301) 779-9001

Not Accepting New Patients Not Accepting New Patients

Clinical areas of focus

  • Gastroesophageal Reflux Disease (GERD) In Children
  • Hypertension
  • Physical Exams
  • Respiratory Disorders
  • Type 2 Diabetes Mellitus
  • Wellness Exams
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Conditions and procedures

Conditions I treat

  • Abdomen, Lower Back, Pelvis, And Genital Injury
  • Abdomen, Lower Back, Pelvis, And Genital Open Wound
  • Abdominal Pain
  • Abnormal Blood Glucose Levels
  • Abnormal Body Structure Imaging
  • Abnormal Breast Imaging
  • Abnormal Breathing
  • Abnormal Drug Findings In Blood
  • Abnormal Function Study Results
  • Abnormal Serum Enzyme Levels
  • Abnormal Urine Test Results
  • Acne
  • Acute Bronchitis
  • Acute Laryngitis And Tracheitis
  • Acute Pelvic Pain
  • Acute Sinusitis
  • Acute Upper Respiratory Infections Of Multiple Sites
  • Adult And Child Abuse, Neglect And Maltreatment
  • Allergic Contact Dermatitis
  • Allergies
  • Ankle And Foot Injury
  • Ankle And Foot Ligament Sprain
  • Anogenital Warts
  • Anxiety
  • Back Pain
  • Black Eye
  • Bladder Incontinence
  • Blindness And Low Vision
  • Body Region Injury
  • Breast Inflammation
  • Bronchitis
  • Burn Injuries
  • Bursopathy
  • Candidiasis
  • Carrier Of Infectious Disease
  • Cellulitis
  • Cellulitis And Lymphangitis
  • Central Sleep Apnea
  • Chest Injury
  • Chest Pain
  • Chlamydia
  • Choledocholithiasis
  • Choroidal Nevi
  • Chronic Cough
  • Chronic Diseases Of Tonsils And Adenoids
  • Chronic Fatigue Syndrome
  • Chronic Kidney Disease
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Claudication
  • Cocaine Related Disorders
  • Conductive Hearing Loss
  • Contact With Communicable Diseases
  • Contact With Hazardous Health Exposures
  • Cough
  • Cradle Cap (SEBORRHEIC DERMATITIS)
  • Cutaneous Abscess
  • Deficiency Of Essential Nutrients
  • Depressive Episode
  • Dermatophytosis (RINGWORM)
  • Digestive System Symptoms
  • Disorders Of Lipoprotein Metabolism And Lipidemias
  • Disorders Of Mineral Metabolism
  • Disorders Of Nose And Nasal Sinuses
  • Disturbances Of Skin Sensation
  • Disturbances Of Smell And Taste
  • Dizziness And Lightheadedness
  • Dorsalgia
  • Dorsopathies
  • Duodenitis
  • Ear Infection
  • Ear Pain
  • Eating Disorders
  • Eczema (ATOPIC DERMATITIS)
  • Elbow And Forearm Injury
  • Elbow Pain
  • Emotional Disorders
  • Emphysema
  • Enlarged Lymph Nodes
  • Enthesopathies
  • Enthesopathy Of Lower Limb
  • Eustachian Tube Disorders
  • Eye And Adnexa Disorders
  • Eye And Orbit Injury
  • Eye Infections
  • Eyelid Disorders
  • Family History Of Malignant Neoplasm
  • Fatigue
  • Female Genital Pain
  • Fever
  • Fibromyalgia
  • Finger, Hand, And Wrist Open Wound
  • Foot Joint Pain
  • Fungal Otitis Externa
  • Gallstones
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD) In Children
  • Genitourinary Symptoms
  • Gout
  • Head Injury
  • Headache
  • Heart Disease
  • Heart Murmur
  • Hematuria
  • Hemorrhagic Conditions
  • Hemorrhoids
  • Hemorrhoids And Perianal Venous Thrombosis
  • Herpes
  • Herpes (GENITAL HERPES)
  • High Blood Pressure
  • High Cholesterol
  • Hip And Thigh Open Wound
  • Hip And Thigh Tendon Injury
  • Hip Osteoarthritis
  • Hip Pain
  • Hives
  • Hordeolum And Chalazion
  • Hypertension
  • Hypertriglyceridemia
  • Hypertrophic Skin Disorders
  • Influenza
  • Influenza Due To Other Identified Influenza Virus
  • Ingrown Toenail
  • Insect Bites And Stings
  • Intervertebral Disc Disorders
  • Intestinal Infections
  • Irritable Bowel Syndrome
  • Joint Disorder
  • Joint Sprain
  • Kidney And Ureter Disorders
  • Kidney Stones
  • Knee And Leg Open Wound
  • Knee Joint And Ligament Sprain
  • Knee Pain
  • Lacrimal Gland Disorders
  • Laryngitis
  • Leg Pain
  • Liver Enzyme Abnormalities
  • Long Term Drug Therapy
  • Lower Back Pain
  • Lower Leg Injury
  • Malabsorption
  • Malaise And Fatigue
  • Male Genital Organ Disorders
  • Menstrual Disorders
  • Mesothelioma
  • Middle Ear Disorders
  • Migraine
  • Mononeuropathy Of Upper Limb
  • Multiple Sclerosis
  • Muscle Strain
  • Nail Disorders
  • Nasopharyngitis
  • Nausea
  • Neck Pain
  • Nervous And Musculoskeletal Symptoms
  • Newborn Feeding Problems
  • Nonscarring Hair Loss
  • Nonsuppurative Otitis Media
  • Obesity
  • Osteoarthritis
  • Osteoporosis
  • Otalgia And Ear Effusion
  • Overactive Bladder
  • Pain In Throat And Chest
  • Painful Urination
  • Palpitations
  • Penis Disorders
  • Personal History Of Diseases And Conditions
  • Pilar Cysts
  • Plantar Fasciitis
  • Plantar Warts
  • Pneumonia
  • Polycystic Liver Disease
  • Polycystic Ovary Syndrome
  • Problems Related To Lifestyle
  • Protozoal Diseases
  • Pruritus
  • Psoriasis
  • Raynaud's Disease
  • Reaction To Stress And Adjustment Disorders In Children
  • Rectal Pain
  • Respiratory Disorders
  • Rheumatoid Arthritis
  • Sciatica
  • Sedative Use Disorder
  • Shingles
  • Shoulder And Upper Arm Muscle, Fascia, And Tendon Injury
  • Shoulder And Upper Arm Tendon Injury
  • Shoulder Joint And Ligament Sprain
  • Shoulder Joint Pain
  • Sinus Infections
  • Skin And Soft Tissue Infections
  • Skin And Subcutaneous Tissue Disorders
  • Skin Changes
  • Skin Swelling And Lumps
  • Sleep Disorders
  • Soft Tissue Pain
  • Sore Throat
  • Spondylopathies
  • Sprains And Strains
  • Staphylococcal Infection
  • Stomatitis And Related Lesions
  • Strep Throat
  • Superficial Abdomen Injury
  • Superficial Knee Injury
  • Superficial Mycoses
  • Syncope
  • Tachycardia
  • Tarsal Tunnel Syndrome
  • Tendinitis
  • Tendinous Disorders
  • Throat Infection (TONSILLITIS)
  • Thumb Synovitis
  • Thyroid Disorders
  • Tinnitus
  • Tuberculosis
  • Type 2 Diabetes
  • Type 2 Diabetes Mellitus
  • Urological Disorders
  • Urticaria
  • Uterine Fibroids
  • Vagina And Vulva Inflammation And Infections
  • Vaginal Infections
  • Varicose Veins Of Lower Extremities
  • Vasomotor And Allergic Rhinitis
  • Vestibular Disorders
  • Viral Diseases
  • Viral Warts
  • Vision Disturbances
  • Vitamin Deficiency
  • Vomiting
  • Vomiting And Nausea
  • Weight Loss
  • Wrist And Hand Joint And Ligament Dislocation And Sprain
  • Wrist And Hand Tendon Injury
  • Zoster
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Procedures I perform

  • Adhd Assessment
  • Adrenal Hormone Level Testing
  • Advance Directive Planning
  • Anxiety Disorder Screening
  • Asthma Management
  • Back Pain Treatment
  • Birth Control
  • Blood Pressure Monitoring
  • Body Mass Index (BMI) Evaluation
  • Cardiovascular Disease Screening
  • Cervical Biopsy
  • Cervix Dilation
  • Cholesterol Screening
  • Chronic Cough Treatment
  • Chronic Headache Treatment
  • Cold And Flu Treatment
  • Cold Treatment
  • Continuous Glucose Monitoring System
  • Contraceptive Device Insertion
  • Copd Management
  • Depression Treatment
  • Dermatological Care
  • Destruction Of Benign Lesions
  • Diabetes Foot Care
  • Diabetes Screening
  • Distance Stereoacuity Test
  • Drug Testing
  • Durable Power Of Attorney Discussion
  • Electrocardiogram
  • Electrodesiccation And Curettage
  • Fertility Counseling
  • Flu Shot Administration
  • Foreign Body Removal From Skin
  • Functional Abdominal Pain Treatment
  • Gastrointestinal Therapy
  • Geriatric Care
  • Geriatric Health Screening
  • Geriatric Sleep Disorder Treatment
  • Glucose Control Management
  • Gynecological Examination
  • Health Promotion Counseling
  • Hearing Testing
  • Helicobacter Pylori Stool Test
  • Hormone Replacement Therapy
  • Hospice Care Referral
  • Hypertension Treatment
  • Hypothyroidism Treatment
  • Immunization Administration
  • Impacted Earwax Removal
  • Incision And Drainage Of Abscess
  • Infectious Disease Treatment
  • Insulin Injection
  • Insulin Tolerance Test
  • Intrauterine Device
  • Labs And Blood Work
  • Mammogram Referral
  • Mental Health Medication Management
  • Mixed Venous Oxygen Saturation
  • Muscle Injection
  • Nebulizer Therapy
  • Nitrogen Washout Treatment
  • Occupational Therapy Evaluation
  • Oral And Pharyngeal Swallowing Function Evaluation
  • Osteoporosis Risk Assessment
  • Palliative Care Services
  • Pap Smear
  • Pediatric Autism Screening
  • Pediatric Sick Visit
  • Pesticide Poisoning Treatment
  • Physical Exams
  • Physical Performance Test
  • Physical Therapy Modalities
  • Psa Testing
  • Pulsatile Tinnitus Treatment
  • Reproductive Planning
  • Retinal Laceration Repair
  • School Physicals
  • Sinus Infection Treatment
  • Sinusitis Treatment
  • Skin Allergy Testing
  • Skin Cancer Screening
  • Skin Tag Removal
  • Spirometry Test
  • Sports Physicals
  • Suture Removal
  • Swallowing Disorder Treatment
  • Tension Headache Treatment
  • Therapeutic Activities
  • Therapeutic Exercises
  • Travel Health
  • Tuberculosis Testing
  • Ulcerative Colitis-Associated Arthritis Treatment
  • Urinary Incontinence Treatment
  • Urinary Protein Test
  • Urinary Tract Infection (UTI) Treatment
  • Vaccinations
  • Venous Blood Collection
  • Viral Gastroenteritis Treatment
  • Vision Screening
  • Wellness Exams
  • Wellness Services
  • Wound Repair
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Practice locations

Distance from Change LocationEnter your Location

4151 Bladensburg Rd
Colmar Manor, MD, 20722

301-699-7700

Fax 301-779-9001

Get Directions

miles away

Fax 301-779-9001

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

Education

Board Certification: American Board of Family Medicine, Family Medicine

Residency: Georgetown University (1996)

Medical School: Temple University School Of Medicine (1993)

Ratings and reviews

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

    4.7
  • Extent to which the care provider listened to you

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

    4.7
  • Provider included you in decisions

    4.7
  • Concern the care provider showed for your questions or worries

    4.7
  • Likelihood of recommending this care provider to others

    4.7
  • May 31, 2025

    Dr Gallagher The Absolute Best Doctor always on point make sure I understand my medication Health care I am truly grateful for Dr Gallagher

  • Apr 16, 2025

    Dr Gallagher was great

  • Feb 24, 2025

    Very good