RJ
33 Years of Experience
Accepting patients
Who is Dr. John, Pediatrician in Dyer, IN?
Dr. Reena John, MD is a Pediatrician, who primarily practices in Dyer, IN with 1 additional practice location. She has been practicing for over 33 years and is board certified. Dr. John completed her residency at Columbus Hosp, Pediatrics. Dr. John is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. John’s office at (219) 864-2235.
Where did Dr. John go to medical school and complete their residency?
Residency: Columbus Hosp, Pediatrics | The Medical Center (Columbus) Program
Medical School: Christian Med Coll- Dr M G R Med Univ- Vellore- Tn- India
Is Dr. John board certified as a Pediatrician?
Yes, Dr. Reena John, MD is board certified by the American Board of Pediatrics
What languages does Dr. John speak?
Dr. John and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Pediatrician like Dr. John typically treat?
As a Pediatrician, Dr. John 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. John. 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 Child Health Examination (Normal Findings)
- Health Checkup
- Normal Well-Child Checkup
- Child Physical Exam (No Issues)
- Routine Pediatric Exam (Clear)
ICD-10 Codes:
- Z00129: Encounter for routine child health examination without abnormal findings
Also known as:
- Delayed Child Development
- Child Development
- Developmental delay
- Slow development in children
- Milestone delays
ICD-10 Codes:
- R620: Delayed milestone in childhood
Also known as:
- Gastrostomy Care
- Ostomy
- G-tube Care
- Feeding Tube Management
- Stomach Tube Care
ICD-10 Codes:
- Z431: Encounter for attention to gastrostomy
Also known as:
- Rett Syndrome
- Rett's Disorder
- MECP2 Disorder
- Childhood Disintegrative Disorder (Rett type)
ICD-10 Codes:
- F842: Rett's syndrome
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Dependence on Ventilator
- Respirator Dependence
- Breathing Machine Reliance
- Long-term Ventilation
ICD-10 Codes:
- Z9911: Dependence on respirator [ventilator] status
Also known as:
- Feeding Difficulties
- Eating Problems
- Swallowing Problems
- Unspecified Feeding Issues
ICD-10 Codes:
- R6330: Feeding difficulties, unspecified
What procedures does a Pediatrician like Dr. John typically perform?
As a Pediatrician, procedures performed by Dr. Reena John may include:
- 12 Month Well-Baby Checkup
- 15 Month Well-Baby Checkup
- 18 Month Well-Baby Checkup
- 1 Month Well-Baby Checkup
- 24 Month Well-Baby Checkup
- 2 Month Well-Baby Checkup
- 2 Week Well Baby Checkup
- 30 Month Well-Baby Checkup
Please contact Dr. John's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. John accept my insurance?
Dr. John accepts most major insurance plans. Important: Please call our office at (219) 864-2235 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. John accept in Dyer, IN?
Dr. John in Dyer, IN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Health Care Service Corporation
State of Indiana
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. John's office located?
What is Dr. John's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. John's National Provider Identifier (NPI) number is 1124010970.
What common questions do patients ask about Dr. John?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. John
What is Dr. Reena John's specialty?
Dr. John is a Pediatrician near Dyer, IN.
What does a Pediatrician do?
A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development.
Is this Dr. Reena John affiliated with a ranked Castle Connolly Top Hospital?
No, John is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Ann & Robert H. Lurie Childrens Hospital Of Chicago, Uchicago Medicine. 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 Pediatrician?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatrician. 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 Reena John accepting new patients in Dyer, IN?
Yes, Dr. Reena John is accepting new patients at this time.
Does Dr. Reena John offer online booking?
Please contact Dr. John's office at (219) 864-2235 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Reena John?
Please contact Dr. John's office at (219) 864-2235 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Reena John have?
Dr. Reena John is certified by the American Board of Pediatrics.
Other Pediatrician Near Dyer, IN

Pediatrician
Dr. Erin Crill, MD is a Pediatrician, who primarily practices in Dyer, IN with 1 additional practice location. She is board certified.
Dyer, IN
CT
Pediatrician
Dr. Cristina Tumacder, MD is a Pediatrician, who primarily practices in Dyer, IN with 1 additional practice location.
Dyer, IN
ES
Pediatrician
Dr. Emily Switzer is a Pediatrician, who primarily practices in Dyer, IN with 1 additional practice location.
Dyer, IN