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Allergy & Immunology Specialist
24 years of experience
Accepting new patients
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. Mark Titi is Good. Dr. Titi has been reviewed by 4 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.3

Specialties & Research

Dr. Mark Titi, MD is board certified in Allergy & Immunology.

  • He has special expertise in 4 areas:
  • Asthma
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Hives (Urticaria)
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Titi graduated from University of Maryland , Baltimore.


Dr. Titi has 9 hospital affiliations:

  • Lancaster General Hospital 
  • Ephrata Community Hospital 


  • Russian
  • Spanish
  • English

> > > > Dr. Mark Titi, MD

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Additional Information
Dr. Mark J Titi MD is a male Allergist & Immunologist, has 24 years of experience and practices in Allergy & Immunology.
Where does Dr. Mark J. Titi practice?
Dr. Mark Titi has 3 office locations.
Dr. Mark Titi practices Allergy & Immunology near Lancaster, PA.
Additional practice locations include: York, PA and Lebanon, PA.
See Lancaster Allergists.