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 (3)

The overall average patient rating of Dr. William Wertheim, Internist, General Practitioner is Excellent. Dr. Wertheim has been reviewed by 5 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.6
Promptness 3.7
Courteous Staff 4.5
Accurate Diagnosis 4.7
Bedside Manner 5.0
Spends Time with Me 4.7
Follows Up After Visit 4.7

Specialties & Research

Dr. William Wertheim, MD is board certified in Internal Medicine.

Education & Awards

Dr. Wertheim graduated from New York University. He has 5 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2014 - 2015)
Patients' Choice Award (2010 - 2012)
Compassionate Doctor Recognition (2010, 2012)
Bridges to Excellence Recognition
Bridges to Excellence Medical Home Recognition (2014 - 2017)
Level III
NCQA Physician Practice Connections - Patient Centered Medical Home (2014 - 2017)


Dr. Wertheim has 3 hospital affiliations:

  • Stony Brook University Hospital 
  • New York Community Hosp Of Br00klyn 
  • University Medical Center At Stony Brook 


  • Spanish

> > > > Dr. William Wertheim, MD

Similar doctors nearby

Dr. Victor Jimenez

Internal Medicine
37 years experience
East Setauket, NY

Dr. William Greene

Internal Medicine
43 years experience
East Setauket, NY

Dr. Rachel Wong

Internal Medicine
East Setauket, NY

Dr. Shabbir Hossain

Internal Medicine
6 years experience
East Setauket, NY

Dr. Alice Greene

Internal Medicine
18 years experience
East Setauket, NY

Dr. Rekha Sivadas

Internal Medicine
15 years experience
East Setauket, NY
Search All Similar Doctors
Additional Information
Dr. William Arthur Wertheim MD is a male Internist, has 22 years of experience and practices in Internal Medicine.
Where does Dr. William A. Wertheim practice?
Dr. William Wertheim has 2 office locations.
Dr. William Wertheim practices Internal Medicine near East Setauket, NY.
Additional practice locations include: Stony Brook, NY.
See East Setauket Internists.