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General Internal Medicine Specialist - Edison, NJ - Hao Zhang, MD logo

General Internal Medicine Specialist - Edison, NJ - Hao Zhang, MD

Internal MedicineEdison, NJ

★★★★★5.0/5341 reviews across 2 platforms

Ratings by platform

  • US News Doctors: 5/5 (119 reviews)
  • Edison Wellness Medical Group website (official): 4.95/5 (222 reviews)

What patients say

Patients praise

  • Professional and knowledgeable care
  • Efficient and punctual service with little to no wait time
  • Friendly and helpful staff
  • Clean and organized office environment
  • Good explanations of medical conditions and management
  • Convenient on-site lab testing and online portal for appointments/reports

Common complaints

  • Issues with insurance billing codes and lack of response from the office to rectify errors

In patients' words

"I still received a bill from Labcorp. I called my insurance company and they told me that it was due to the wrong code that the doctor added for the lab tests... they never get back to me."

LocalityBiz Review

"My appointment was at 8am. I was called almost immediately as soon as I finished my paperwork. My visit was one of the best experiences to a Dr.'s office."

Ireland724.info Review

"Dr.Zhang is really nice, patent, knowledgeable. Manage time well and almost no waiting time. Definitely recommend."

Edison Wellness Medical Group Website

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7].

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