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Internist, Critical Care Specialist, Pulmonologist (lungs)
33 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).

Learn more about Dr. David Horak:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. David Horak is Good. Dr. Horak has been reviewed by 2 patients who have provided 0 comments. The rating is 3.5 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. David Horak, MD is board certified in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.

  • He has special expertise in 1 area:
  • Asthma

Education & Awards

Dr. Horak graduated from University of California at Los Angeles.


Dr. Horak has 1 hospital affiliations:

  • City of Hope National Medical Center 

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Additional Information
Dr. David Alan Horak MD is a male Internist, has 33 years of experience and practices in Internal Medicine, Pulmonary Disease, and Critical Care Medicine.
Where does Dr. David A. Horak practice?
Dr. David Horak has 3 office locations.
Dr. David Horak practices Internal Medicine, Pulmonary Disease, and Critical Care Medicine near Lancaster, CA.
Additional practice locations include: Duarte, CA and Arcadia, CA.
See Lancaster Internists, Lancaster Pulmonologists, and Lancaster Critical Care Practitioners.