42 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Costello, Internist in Saint Louis, MO?
Where did Dr. Costello go to medical school and complete their residency?
Medical School: St Louis Univ Sch of Med, St Louis Mo
Is Dr. Costello board certified as an Internist?
Yes, Dr. John Costello, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Costello speak?
Dr. Costello and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does an Internist like Dr. Costello typically treat?
As an Internist, Dr. Costello 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. Costello. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
What procedures does an Internist like Dr. Costello typically perform?
As an Internist, procedures performed by Dr. John Costello may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
Please contact Dr. Costello's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Costello accept my insurance?
Dr. Costello accepts most major insurance plans. Important: Please call our office at (314) 995-9988 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Costello accept in Saint Louis, MO?
Dr. Costello in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Allied Benefit Systems
Blue Cross Blue Shield of Michigan
Elevance Health Inc. (formerly Anthem)
Medicare
UnitedHealth Group
View All Insurances
Where is Dr. Costello's office located?
Dr. John Costello's Primary Practice
2821 N Ballas Rd Ste 165
Saint Louis, MO 63131
(314) 995-9988
What hospitals are Dr. Costello affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Costello has admitting privileges at the following hospitals:

Ranked in 3 Specialties
Ranked in 7 Procedures
What is Dr. Costello's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Costello's National Provider Identifier (NPI) number is 1417062563.
What common questions do patients ask about Dr. Costello?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Costello
What is Dr. John Costello's specialty?
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.