John B Hein, MD
Allergy and Immunology • Newburyport, MA
Clinic Type
Allergy and Immunology (multi-location group)
Address
1 Park Way, Haverhill, MA 01830
Phone
978-521-3200
mghpfr@mgb.org
Opening Hours
Opens Monday 08:00 AM
Services Offered
Team
Insurance & Payment
This provider may accept more insurance plans than shown. Please call the practice to find out if plan is accepted.
Languages Spoken
FAQs
Is the provider accepting new patients?
Not specified in the extracted text.
What are the hours for the Haverhill location?
Not specified beyond opening time on Monday 08:00 AM.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Mass General Brigham: 4.8 out of 5 (44 reviews)
- WebMD Care: 4.0 out of 5 (13 ratings)
- Healthgrades: 3.3 out of 5 (13 reviews)
- U.S. News & World Report: 4 out of 5 (25 reviews)
Patients praise
- High patient appreciation for diagnostic skills and accuracy
- Recognition for being thorough and knowledgeable in complex or recurring cases
- Appreciation for his ability to listen and explain medical conditions clearly
Common complaints
- Inconsistent patient experiences, with some reports of poor bedside manner or communication issues
- Variable ratings regarding time spent with patients and thoroughness of exams
"I felt Dr Hein was fully knowledgeable re my history and was respectful of my concerns. He was patient and thorough in scheduling follow-up care. He was the most personable of the doctors I have met so far at MGB."
— Mass General Brigham Patient Review"I spoke to Dr. Hein for 5 minutes and he was able to give a name to what I had. He’s the best allergist or any allergy like symptoms such as EIA which are still considered new and rare. I highly recommend him!"
— WebMD Patient Review"Dr. Hein quickly diagnosed, assessed, and treated my case (chronic hives). He has an efficient, friendly, and caring staff, who reflect Dr. Hein's own demeanor. His empathy and experience were important to me and much appreciated."
— Healthgrades Patient ReviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Pediatric Allergy & Immunology - Top Ranked Children's Hospital Job Opening in Cleveland, Ohio - American Academy of Allergy, Asthma & Immunology Career Connections Center — Jul 1, 2026
- ALLERGY AND IMMUNOLOGY Job Opening in Hollywood, Florida - American Academy of Allergy, Asthma & Immunology Career Connections Center — Jul 5, 2026
Information sourced from the clinic's website as of July 11, 2026.
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