JN
Accepting patients
Who is Dr. Niles, Gynecologist in Greenbelt, MD?
Dr. John Niles, MD is a Gynecologist, who primarily practices in Greenbelt, MD. Dr. Niles graduated from Howard Univ College of Medicine and completed his residency at Johns Hopkins Bloomberg School of Public Health Program A. Dr. Niles is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Niles’s office at (301) 474-5400.
Where did Dr. Niles go to medical school and complete their residency?
Residency: Johns Hopkins Bloomberg School of Public Health Program A
Medical School: Howard Univ College of Medicine
What languages does Dr. Niles speak?
Dr. Niles and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Gynecologist like Dr. Niles typically treat?
As a Gynecologist, Dr. Niles 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. Niles. 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:
- Routine Gynecological Exam (Normal Findings)
- Routine Gynecological Exam (Abnormal Findings)
- Women's Health Checkup
- Women's checkup, all clear
- Pelvic exam, normal results
- OB/GYN visit, no issues
- Women's checkup with issues
- Pelvic exam, abnormal results
- OB/GYN visit with concerns
ICD-10 Codes:
- Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings
- Z01411: Encounter for gynecological examination (general) (routine) with abnormal findings
Also known as:
- Obesity
- Severe Obesity
- Take Charge of Your Health: A Guide for Teenagers
- Helping Your Child Who Is Overweight
- Understanding Adult Overweight & Obesity
- Excess Weight
- Being Overweight
- High BMI
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E669: Obesity, unspecified
- E6601: Morbid (severe) obesity due to excess calories
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:
- Acute Vaginal Inflammation
- Vaginitis
- Acute Vaginitis
- Sudden Vaginal Infection
- Vaginal Irritation
ICD-10 Codes:
- N760: Acute vaginitis
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Atypical Cells on Pap Test (ASC-US)
- Cervical Cancer Screening
- ASC-US Pap smear
- Uncertain abnormal cervical cells
- Mildly abnormal Pap test
ICD-10 Codes:
- R87610: Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)
What procedures does a Gynecologist like Dr. Niles typically perform?
As a Gynecologist, Dr. Niles 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. Niles. 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:
- Colposcopy with Vaginal and Cervical Biopsy
- Biopsy
- Colposcopy
- Vaginal Colposcopy with Biopsy
- Cervical Colposcopy with Biopsy
- Vaginal and Cervical Tissue Sample
CPT Codes:
- 57421: Colposcopy of the entire vagina, with cervix if present; with biopsy(s) of vagina/cervix
Does Dr. Niles accept my insurance?
Dr. Niles accepts most major insurance plans. Important: Please call our office at (301) 474-5400 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Niles accept in Greenbelt, MD?
Dr. Niles in Greenbelt, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield Association
View All Insurances
Where is Dr. Niles' office located?
Dr. John Niles' Primary Practice
7500 Greenway Center Dr Ste 620
Greenbelt, MD 20770
(301) 474-5400
What is Dr. Niles's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Niles's National Provider Identifier (NPI) number is 1528161445.
What common questions do patients ask about Dr. Niles?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Niles
What is Dr. John Niles's specialty?
Dr. Niles is a Gynecologist near Greenbelt, MD.
What does a Gynecologist do?
A physician specializing in the diagnosis, treatment, and management of patients with gynecologic conditions is dedicated to addressing a wide range of female reproductive health issues.
Is this Dr. John Niles affiliated with a ranked Castle Connolly Top Hospital?
No, Niles is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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
When to see a Gynecologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gynecologist. Explore 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 John Niles accepting new patients in Greenbelt, MD?
Yes, Dr. John Niles is accepting new patients at this time.
Does Dr. John Niles offer online booking?
Please contact Dr. Niles's office at (301) 474-5400 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Niles?
Please contact Dr. Niles's office at (301) 474-5400 for information regarding telehealth appointment availability or for scheduling assistance.
Other Gynecologist Near Greenbelt, MD

Primary Care Specialist (General Practitioner)
Dr. Oluremi Ilupeju, MD is a Primary Care Specialist (General Practitioner), who primarily practices in Greenbelt, MD. He is board certified.
Greenbelt, MD
RB
Gynecologist
Dr. Rupen Baxi, MD is a Gynecologist, who primarily practices in Greenbelt, MD with 1 additional practice location.
Greenbelt, MD
LM
Gynecologist
Dr. Lakeischa Mcmillan, MD is a Gynecologist, who primarily practices in Berwyn Heights, MD with 2 additional practice locations.
Berwyn Heights, MD