Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. John Adan is Excellent. Dr. Adan has been reviewed by 4 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Adan, MBBS, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 6 areas:
  • Acute Coronary Syndrome (ACS)
  • Device Interrogation
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Adan graduated from The Queen's University Of Belfast, Ireland.


Dr. Adan has 15 hospital affiliations:

  • Desert Springs Hospital 
  • Valley Hospital Medical Center 


  • Czech
  • German
  • Spanish
  • French
  • Turkish
  • Slovak
  • English

> > > > Dr. John Adan, MBBS, MD

Similar doctors nearby

Dr. Ali Reza

Internal Medicine
30 years experience
Turlock, CA

Dr. Rim Atoui

Internal Medicine
15 years experience
Turlock, CA

Dr. Gholamreza Vafadouste

Internal Medicine
27 years experience
Turlock, CA

Dr. Iraj Sabahi

Internal Medicine
Turlock, CA

Dr. Joginder Soni

Internal Medicine
39 years experience
Turlock, CA

Dr. Vernon Park

Internal Medicine
38 years experience
Turlock, CA
Search All Similar Doctors
Additional Information
Dr. John N Adan MBBS and MD is a male Internist, has 38 years of experience and practices in Internal Medicine, Cardiovascular Disease, and Cardiology.
Where does Dr. John N. Adan practice?
Dr. John Adan has 7 office locations.
Dr. John Adan practices Internal Medicine, Cardiovascular Disease, and Cardiology near Turlock, CA.
Additional practice locations include: Merced, CA and Montgomery, AL.
See Turlock Internists and Turlock Cardiologists.