Affiliated with a Castle Connolly Top Hospital
Who is Dr. Allen, Internist in Baltimore, MD?
What languages does Dr. Allen speak?
Dr. Allen and their clinical team can communicate with patients in the following languages:
- English
What conditions does an Internist like Dr. Allen typically treat?
As an Internist, Dr. Allen 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. Allen. 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 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 Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- Blood and Immune System Disorder Screening
- Health Screening
- Blood Disorder Check
- Immune System Check-up
- Hematologic Screening
ICD-10 Codes:
- Z130: Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Also known as:
- Other Specific Healthcare Encounters
- Special Medical Visits
- Unusual Doctor Appointments
- Healthcare for Unique Situations
ICD-10 Codes:
- Z7689: Persons encountering health services in other specified circumstances
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
Also known as:
- Other Specific B Vitamin Deficiency
- B Vitamins
- Malnutrition
- Specific B Vitamin Shortage
- Less Common B Vitamin Deficiency
- Rare B Vitamin Deficiency
ICD-10 Codes:
- E538: Deficiency of other specified B group vitamins
What procedures does an Internist like Dr. Allen typically perform?
As an Internist, procedures performed by Dr. John Allen 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. Allen's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Allen accept my insurance?
Dr. Allen accepts most major insurance plans. Important: Please call our office at (410) 328-8040 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Allen accept in Baltimore, MD?
Dr. Allen in Baltimore, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alterwood Health Management
CareFirst BlueCross BlueShield
Cigna Group
Corporate Services
CVS Health (formerly Aetna)
Humana
Medicare
Riverside Health
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Allen's office located?
What hospitals are Dr. Allen affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Allen has admitting privileges at the following hospitals:
What is Dr. Allen's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Allen's National Provider Identifier (NPI) number is 1023436839.
What common questions do patients ask about Dr. Allen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Allen
What is Dr. John Allen'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.
