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About

Summary: Hanissian Allergy (HANISSIAN CLINIC PC) provides allergy and asthma care in the Memphis/Mid-South area, led by Gregory Hanissian, MD. The practice operates out of Germantown, TN, with three US offices and a focus on allergy, asthma, and related health diagnostics. Website: memphisallergist.com. Key details: private healthcare provider, annual revenue ~$6.58M, small workforce (1–10 employees), about 930 monthly site visits, and active presence in Germantown with additional offices nearby. If you’re specifically looking for allergy care in Collierville, consider contacting the Germantown locations to confirm service availability or whether there are nearby Collierville-affiliated providers. Contact: +1 901-751-9696.

Clinic Type

Allergy and Immunology

Address

2101 Merchants Row, Ste 3, Germantown, TN 38138

Phone

901-751-9696

Email

Opening Hours

Monday 8:30 AM – 5:30 PM; Tuesday 8:30 AM – 5:30 PM; Wednesday 8:30 AM – 4:30 PM; Thursday 8:30 AM – 4:30 PM; Friday Closed

Services Offered

  • Allergy
  • Asthma
  • Immunology
  • Allergy Shots
  • Allergy Testing
  • Asthma in Children
  • Allergic Rhinitis
  • Medical information and patient resources

Team

  • Dr. Gregory Hanissian, Board-certified in Allergy and Immunology (implied) — Physician

Insurance & Payment

Languages Spoken

  • English

FAQs

What are the office hours?

ALLERGY SHOT and OFFICE HOURS: Friday: Closed; Thursday: 8:30 AM - 4:30 PM; Wednesday: 8:30 AM - 4:30 PM; Tuesday: 8:30 AM - 5:30 PM; Monday: 8:30 AM - 5:30 PM.

Awards & Accreditations

  • One of Memphis Top Doctors in Allergy & Immunology (yearly since 2014)

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: very positive

  • US News Doctors (Dr. Ara J. Hanissian, MD): Overall Rating: Excellent (5 out of 5) (73 total patient reviews received)
  • Birdeye (Hanissian Allergy: Gregory A. Hanissian, MD): 4.6 star rating (65 reviews)
  • Healthgrades (Dr. Gregory Hanissian, MD): 5.0 star rating (16 reviews) / Healthgrades specialty listing shows 8.9 (contextual) (16 reviews (on physician page))
  • US News Doctors (Dr. Gregory A. Hanissian): 5/5 (34 reviews total)

Patients praise

  • Patients report consistently high satisfaction with care and bedside manner
  • Doctor is described as knowledgeable/up to date on allergy issues
  • Staff/offices are described as friendly and helpful
  • Patients describe time spent listening, answering questions, and developing treatment plans

"“Great clinic and super professional. nurses are super sweet and the doctor knows exactly what he's doing and talking about.100% Recommended.”"

Birdeye review snippet (Hanissian Allergy: Gregory A. Hanissian, MD)

"“Excellent first impression on our first visit... Dr. Hanissian listened to my concerns... All around great bedside manner. He seems very knowledgeable and up to date on allergy issues...”"

Birdeye review snippet (Hanissian Allergy: Gregory A. Hanissian, MD)

"“We’ve published patient experience ratings for Dr. Hanissian in 6 key categories based on 34 reviews... (5/5)”"

US News patient experience section (Dr. Gregory A. Hanissian)

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

Information sourced from the clinic's website as of July 11, 2026.

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