28 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Harris, Internist in Washington, DC?
Dr. Gerard Harris, MD is an Internist, who primarily practices in Washington, DC with 2 additional practice locations. He has been practicing for over 28 years. Dr. Harris graduated from Howard Univ College of Medicine and completed his residency at Washington Hosp Ctr, Internal Medicine. Dr. Harris is fluent in English, and is currently seeing new patients. Dr. Harris’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Harris’s office.
Where did Dr. Harris go to medical school and complete their residency?
Residency: Washington Hosp Ctr, Internal Medicine | Washington Hospital Center | Washington Hospital Center Program
Medical School: Howard Univ Coll of Med, Washington Dc | Howard Univ College of Medicine
What languages does Dr. Harris speak?
Dr. Harris and their clinical team can communicate with patients in the following languages:
English
What conditions does an Internist like Dr. Harris typically treat?
As an Internist, Dr. Harris 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. Harris. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- 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:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
What procedures does an Internist like Dr. Harris typically perform?
As an Internist, Dr. Harris performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Harris. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Ultrasound-Guided Breast Biopsy
- Breast Biopsy
- Percutaneous Breast Biopsy
- Breast Tissue Sample
- Breast Lesion Biopsy with Clip
CPT Codes:
- 19083: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including ultrasound guidance
Also known as:
- Breast Biopsy with Stereotactic Guidance
- Breast Biopsy
- Stereotactic Breast Biopsy
- Image-Guided Breast Biopsy
- Percutaneous Breast Biopsy
- Breast Lesion Biopsy
CPT Codes:
- 19081: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including stereotactic guidance
Does Dr. Harris accept my insurance?
Dr. Harris accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Harris accept in Washington, DC?
Dr. Harris in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
CareFirst BlueCross BlueShield
Cigna Group
CVS Health (formerly Aetna)
District of Columbia
Federal government of the United States
Humana
Medicare
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Harris' office located?
What hospitals are Dr. Harris affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Harris has admitting privileges at the following hospitals:
Medstar Washington Hospital Center,Washington, DC
Ranked in 2 Specialties

Ranked in 8 Procedures

Ranked in 2 Specialties
Ranked in 8 Procedures
Medstar Georgetown University Hospital,Washington, DC
What is Dr. Harris's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Harris's National Provider Identifier (NPI) number is 1679542724.
What common questions do patients ask about Dr. Harris?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Harris
What is Dr. Gerard Harris's specialty?
Dr. Harris is an Internist near Washington, DC.
What does an Internist do?
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.