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Clinic Type

Allergy and Immunology

Address

626 W Wheatland Rd Ste B, Duncanville, TX 75116

Phone

1-972-709-6673

Email

dcalderon@wellmed.net

Opening Hours

Monday 8 a.m. to 5 p.m.; Tuesday 8 a.m. to 5 p.m.; Wednesday 8 a.m. to 5 p.m.; Thursday 8 a.m. to 5 p.m.; Friday 8 a.m. to 5 p.m.

Services Offered

  • Allergy and immunology

Team

  • Harold C. DelasAlas, MD — Allergy and immunology

Insurance & Payment

—

Languages Spoken

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FAQs

What are the office hours?

Monday–Friday 8 a.m. to 5 p.m.

What is the street address?

626 W Wheatland Rd Ste B, Duncanville, TX 75116

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp: 3.5 stars (8 reviews (Yelp))
  • Facebook: 92% recommend (9 reviews (Facebook))

Patients praise

  • kind, patient, and thorough providers
  • friendly and efficient staff mentioned by long-term patients
  • successful prompt appointment availability for some patients

Common complaints

  • difficulties scheduling or getting appointments
  • poor communication and responsiveness from staff
  • unprofessional experiences reported by some patients

"Had the best experience from beginning to end. Staff is very friendly. I called for an appointment and staff was able to get me right in."

— Yelp user (Lori F.)

"I had the ABSOLUTE WORST EXPERIENCE EVER!! today when bringing my 4 year old daughter there..."

— Yelp user (Taylor P.)

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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Duncanville, TX·Allergy and Immunology

Allergy & Asthma Center of Duncanville is a small Health and Human Services clinic in Duncanville, Texas, focused on allergy and asthma care. Key points: - Services: Allergy and asthma treatment (including pet allergies and seasonal triggers) for over 30 years. - Leadership: Dr. Harold Delasalas, affiliated with professional allergy associations. - Size and reach: Privately held clinic with a small team (about 3 employees); online presence attracts ~2,700 monthly visits. - Audience: Primarily U.S. visitors, with notable traffic from Uganda and other countries. - Updates: Recent posts highlight vaccine questions, Pride Month inclusion, and general patient care messages. If you’re seeking a local Duncanville specialist for allergy or asthma evaluation and management, this clinic positions itself as an established, patient-centered option.

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