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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 (6)

The overall average patient rating of Dr. Patrick Lam is Good. Dr. Lam has been reviewed by 9 patients who have provided 6 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.9
Courteous Staff 3.7
Accurate Diagnosis 4.0
Bedside Manner 3.7
Spends Time with Me 3.9
Follows Up After Visit 3.9

Specialties & Research

Dr. Patrick Lam, DO, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Lam graduated from Western University of Health Sciences, Pomona.


Dr. Lam has 7 hospital affiliations:

  • Arrowhead Community 
  • Del E Webb Memorial Hospital 


  • English

> > > > Dr. Patrick Lam, DO, MD

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Additional Information
Dr. Patrick Lam DO and MD is a male Internist, has 15 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Patrick Lam practice?
Dr. Patrick Lam has 2 office locations.
Dr. Patrick Lam practices Internal Medicine and Gastroenterology near Avondale, AZ.
Additional practice locations include: Phoenix, AZ.
See Avondale Internists and Avondale Gastroenterologists.