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Dr. John Angstadt, MD
Bariatric Surgery
28 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 (0)

The overall average patient rating of Dr. John Angstadt, Bariatric Surgery is Excellent. Dr. Angstadt has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
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. John Angstadt, MD is board certified in Surgery.

  • He has special expertise in 5 areas:
  • Gastric Bypass Gastrojejunostomy
  • Minimally Invasive Surgical Procedures
  • Organ Transplantation
  • Surgical Oncology
  • Weight Loss Surgery Bariatric Surgery

Education & Awards

Dr. Angstadt graduated from Thomas Jefferson University, Philadelphia.


Dr. Angstadt has 11 hospital affiliations:

  • Memorial Health University Medical Center 
  • Candler Hospital 

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Additional Information
Dr. John David Angstadt MD is a male Colon/Rectal Surgeon, has 28 years of experience and practices in Colon & Rectal Surgery and Surgery.
Where does Dr. John D. Angstadt practice?
Dr. John Angstadt has 6 office locations.
Dr. John Angstadt practices Colon & Rectal Surgery and Surgery near New Hyde Park, NY.
Additional practice locations include: Port Jefferson, NY and Smithtown, NY.
See New Hyde Park Surgeons.