Optum Allergy and Immunology - Smithtown, NY
Allergy & Immunology • Smithtown, NY
Clinic Type
Allergy & Immunology
Address
50 Route 111 Ste 105, Smithtown, NY 11787
Phone
+1-631-543-7607
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Opening Hours
| Monday | 9:00 AM - 5:00 PM | | --- | --- | | Tuesday | Closed | | Wednesday | 9:00 AM - 4:00 PM | | Thursday | Closed | | Friday | Closed | | Saturday | Closed | | Sunday | Closed |
Services Offered
Team
Insurance & Payment
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Languages Spoken
Social Media
Photos

What Patients Say
Overall sentiment across review platforms: positive
- Optum Official Provider Profile (Dr. Robyn Kreiner): 5.0 out of 5 stars (from 7 ratings on Optum site) (7)
- Zocdoc (Dr. Robyn Kreiner): 5.0 out of 5 stars (from 1 review on Zocdoc) (1)
- Zocdoc (Dr. Lauren Rothstein): 4.82 out of 5 stars (158)
- Optum Official Provider Profile (Dr. David Wertheim): 5.0 out of 5 stars (from 64 ratings on Optum site) (64)
Patients praise
- Knowledgeable and thorough physicians
- Friendly and helpful staff
- Effective treatment plans that improve quality of life
- Good communication and willingness to listen to patient concerns
- Efficient appointment wait times
Common complaints
- While generally highly rated, some medical settings can involve complexities with chronic conditions that require patience and ongoing evaluation.
"Within 2 visits my daughter is now on a medication that is exceptionally improving her quality of life. Dr wertheim truly cares about patients well being and is committed to helping find solutions."
— Optum Patient Review for Dr. David Wertheim"Dr. Wertheim was very thorough in reviewing my issues, and he discussed and explained everything in detail in an easy-to-understand manner."
— Optum Patient Review for Dr. David WertheimSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Optum Multi-Specialty Center - Smithtown, NY — May 15, 2026
- Optum Allergy and Immunology - Smithtown, NY - MapQuest — Apr 1, 2026
- UPS Facilities Map - Optum — Apr 5, 2026
Information sourced from the clinic's website as of July 11, 2026.
More allergy & immunology clinics in Smithtown
Center4AsthmaAllergy is a small U.S. healthcare practice focused on asthma and allergy care. Based in Shirley, NY (HQ at 2 Coraci Blvd, Shirley) with a second office in Centereach, NY. The practice appears to have a medical and administrative team (2 employees total) and specializes in diagnosis, treatment, and education related to asthma and allergies. Web metrics indicate modest traffic with a strong local footprint (top countries: United States, Denmark). Notable links: LinkedIn presence and two office locations. The provided user query mentions “Dr. Mayer: Expert Allergist and Asthma Specialist at ... Smithtown,” but there is no explicit reference to Dr. Mayer or Smithtown on the center’s page. If you’re seeking Dr. Mayer’s affiliation or appointment in Smithtown, this page does not confirm it. For targeted allergist/asthma specialist in Smithtown, consider checking the centers’ physician bios or other local allergy clinics in Smithtown. Keywords: asthma, allergy, diagnosis, treatment, education, Shirley NY, Centereach NY.
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