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Dr. Dennis Cullen, MD

Washington, DC

37 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Cullen, Internist in Washington, DC?

    Dr. Dennis Cullen, MD is an Internist, who primarily practices in Washington, DC with 2 additional practice locations. He has been practicing for over 37 years and is board certified by the American Board of Internal Medicine. Dr. Cullen graduated from Georgetown University School of Medicine and completed his residency at Georgetown Univ Hosp, Internal Medicine; Dartmouth-Hitchcock M C, Internal Medicine. Dr. Cullen is fluent in English, and is currently seeing new patients. Dr. Cullen’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Cullen’s office at (240) 497-1570.

    What are Areas of Expertise for Dr. Cullen?

    Dr. Dennis Cullen, MD is a highly-rated, board-certified Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Cullen empowers patients to confidently navigate their health journey, specializing in Primary Care, or comprehensive wellness support. Serving the Washington/DC community, Dr. Cullen is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Cullen go to medical school and complete their residency?

    • Residency: Georgetown Univ Hosp, Internal Medicine; Dartmouth-Hitchcock M C, Internal Medicine | Georgetown University | Georgetown University Hospital/Washington Hospital Center Program

    • Medical School: Georgetown Univ Sch of Med, Washington Dc | Georgetown University School of Medicine

    Is Dr. Cullen board certified in Internist?

    Yes, Dr. Dennis Cullen, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Cullen speak?

    Dr. Cullen and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Cullen treat?

    As a Internist, Dr. Cullen diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Cullen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Vitamin D Deficiency
    • Low Vitamin D Levels
    • Lack of Vitamin D
    • Hypovitaminosis D

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Other Specific B Vitamin Deficiency
    • B Vitamins
    • Malnutrition
    • Specific B Vitamin Shortage
    • Less Common B Vitamin Deficiency
    • Rare B Vitamin Deficiency

    ICD-10 Codes:

    • E538: Deficiency of other specified B group vitamins

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Diabetic Hyperglycemia
    • Diabetes
    • Hyperglycemia
    • High Blood Sugar from Diabetes
    • Diabetic High Glucose
    • Elevated Blood Sugar

    ICD-10 Codes:

    • E1365: Other specified diabetes mellitus with hyperglycemia

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Other General Medical Examination
    • Health Checkup
    • General Health Checkup
    • Comprehensive Medical Exam
    • Miscellaneous Physical Exam

    ICD-10 Codes:

    • Z008: Encounter for other general examination

    Also known as:

    • Asthma
    • Reactive Airway Disease
    • Bronchial Asthma
    • Allergic Asthma

    ICD-10 Codes:

    • J45909: Unspecified asthma, uncomplicated

    Also known as:

    • High Blood Sugar
    • Hyperglycemia
    • Elevated Glucose
    • Unspecified High Blood Sugar

    ICD-10 Codes:

    • R739: Hyperglycemia, unspecified

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Parkinson's Disease
    • PD
    • Shaking Palsy
    • Paralysis Agitans

    ICD-10 Codes:

    • G20: Parkinson's disease

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Neck Pain
    • Neck Injuries and Disorder
    • Cervical Pain
    • Sore Neck
    • Neck Ache

    ICD-10 Codes:

    • M542: Cervicalgia

    Also known as:

    • Elevated PSA Level
    • Prostate Cancer Screening
    • Prostate Disease
    • Prostate-Specific Antigen (PSA) Test
    • Prostate Problems
    • High Prostate Specific Antigen
    • Abnormal PSA Test
    • Increased PSA

    ICD-10 Codes:

    • R9720: Elevated prostate specific antigen [PSA]

    Which procedures does Dr. Cullen perform as a Internist?

    As a Internist, procedures performed by an Dr. Dennis Cullen may include:

    For detailed information, please contact Dr. Cullen's office.

    Does Dr. Cullen accept my insurance?

    Dr. Cullen accepts most major insurance plans. Important: Please call our office at (240) 497-1570 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Cullen accept in Washington, DC?

    Dr. Cullen in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • BCBS Unspecified

    • Carefirst BlueCross BlueShield

    • CVS Health (formerly Aetna)

    • Federal Employee Program

    • Highmark Inc.

    • Kaiser Permanente

    • Medicare

    • Mutual of Omaha

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Cullen's office located?

    Dr. Dennis Cullen's Primary Practice

    4910 Massachusetts Ave NW Ste 114 Ofc

    Washington, DC 20016

    (240) 497-1570

    Get Directions

    Dr. Dennis Cullen's Practice 2

    24430 Stone Springs Blvd Ste 425

    Dulles, VA 20166

    Get Directions

    Dr. Dennis Cullen's Practice 3

    46050 Manekin Plz Ste 110

    Sterling, VA 20166

    Get Directions

    What is Dr. Cullen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Cullen's National Provider Identifier (NPI) number is 1104988054.

    What common questions do patients ask about Dr. Cullen?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Cullen

    What is Dr. Dennis Cullen's specialty?

    Dr. Cullen is a Internist near Washington, DC.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Cullen to book an appointment today.

    Is this Dr. Dennis Cullen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Cullen is affiliated with Sibley Memorial Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Internist?

    Explore Internist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dennis Cullen accepting new patients in Washington, DC?

    Yes, Dr. Dennis Cullen is accepting new patients at this time.

    Does Dr. Dennis Cullen offer online booking?

    Please contact Dr. Cullen's office at (240) 497-1570 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dennis Cullen?

    Please contact Dr. Cullen's office at (240) 497-1570 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Dennis Cullen have?

    Dr. Dennis Cullen is certified by the American Board of Internal Medicine.

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