32 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. John, Internist in Baltimore, MD?
Dr. Sebastian John, MD is an Internist, who primarily practices in Baltimore, MD with 1 additional practice location. He has been practicing for over 32 years and is board certified. Dr. John completed his residency at Muhlenberg Reg Med Ctr, Internal Medicine. Dr. John is fluent in English and Malayalam, and is currently seeing new patients. Dr. John’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. John’s office.
Where did Dr. John go to medical school and complete their residency?
Residency: Muhlenberg Reg Med Ctr, Internal Medicine
Medical School: M.S. Ramaiah Medical College, Bangalore University
Is Dr. John board certified as an Internist?
Yes, Dr. Sebastian John, MD is board certified by the American Board of Internal Medicine
What languages does Dr. John speak?
Dr. John and their clinical team can communicate with patients in the following languages:
English
Malayalam
What conditions does an Internist like Dr. John typically treat?
As an Internist, 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- Malaise
- Fatigue
- General discomfort
- Feeling unwell
- Unease
ICD-10 Codes:
- R5381: Other malaise
Also known as:
- One-Sided Weakness or Paralysis After Ischemic Stroke
- Paralysis
- Stroke
- Post-ischemic stroke hemiplegia
- Partial paralysis from ischemic stroke
- Ischemic stroke-related body weakness
- Hemiparesis after brain infarction
ICD-10 Codes:
- I69351: Hemiplegia and hemiparesis following cerebral infarction affecting right dominant side
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:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
What procedures does an Internist like Dr. John typically perform?
As an Internist, procedures performed by Dr. Sebastian John 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. 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 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. John accept in Baltimore, MD?
Dr. John in Baltimore, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
Cigna Group
CVS Health (formerly Aetna)
Medicare
Riverside Health
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 1760590400.
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. Sebastian John's specialty?
Dr. John is a Internist near Baltimore, MD.
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.