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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 (1)

The overall average patient rating of Dr. Isaac Tam is Good. Dr. Tam has been reviewed by 4 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 3.7
Courteous Staff 4.1
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.7

Specialties & Research

Dr. Isaac Tam, MD is board certified in Internal Medicine.

  • He has special expertise in 9 areas:
  • Head and Neck Cancer
  • Hyperparathyroidism
  • Hyperthyroidism
  • Laryngoscopy
  • Mouth Cancer
  • Skin Cancer
  • Skull Base Cancer
  • Squamous Cell Carcinoma
  • Thyroid Cancer

Education & Awards

Dr. Tam graduated from University of Pennsylvania , Philadelphia.


Dr. Tam has 5 hospital affiliations:

  • Pennsylvania Hospital University PA Health System 
  • Chester County Hospital 


  • Chinese

> > > > Dr. Isaac Tam, MD

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Additional Information
Dr. Isaac Ti-Yaen Tam MD is a male Internist, has 37 years of experience and practices in Internal Medicine.
Where does Dr. Isaac T. Tam practice?
Dr. Isaac Tam has 5 office locations.
Dr. Isaac Tam practices Internal Medicine near West Chester, PA.
Additional practice locations include: Phoenixville, PA and Philadelphia, PA.
See West Chester Internists.