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 (7)

The overall average patient rating of Dr. Nicholaos Bellos, Internist is Excellent. Dr. Bellos has been reviewed by 13 patients who have provided 7 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.9
Courteous Staff 4.2
Accurate Diagnosis 3.8
Bedside Manner 3.5
Spends Time with Me 3.5
Follows Up After Visit 3.7

Specialties & Research

Dr. Nicholaos Bellos, MD, PA is board certified in Internal Medicine and Infectious Disease.

  • He has special expertise in 3 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • HIV Infections
  • Hepatitis C

Education & Awards

Dr. Bellos graduated from Baylor College of Medicine, Houston. He has 2 awards.

Coronary care unit resident of the year, 1985 touro infirmary-new orleans, louisiana
Patients' Choice Award (2008 - 2009)


Dr. Bellos has 14 hospital affiliations:

  • Methodist Dallas Medical Center 
  • Children's Medical Center of Dallas 


  • Spanish
  • Greek

> > > > Dr. Nicholaos Bellos, MD, PA

Similar doctors nearby

Dr. Merin Muthalathu

Internal Medicine
Dallas, TX

Dr. Avian Kidd

Internal Medicine
9 years experience
Dallas, TX

Dr. David Lee

Internal Medicine
12 years experience
Dallas, TX

Dr. Breck Thrash

Internal Medicine
Dallas, TX

Dr. William Sutker

Internal Medicine
37 years experience
Dallas, TX

Dr. Brady Allen

Internal Medicine
32 years experience
Dallas, TX
Search All Similar Doctors
Additional Information
Dr. Nicholaos Constantine Bellos MD and PA is a male Internist, has 30 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. Nicholaos C. Bellos practice?
Dr. Nicholaos Bellos has 3 office locations.
Dr. Nicholaos Bellos practices Internal Medicine and Infectious Disease near Dallas, TX.
Additional practice locations include: Addison, TX.
See Dallas Internists and Dallas Infectious Disease Doctors.