Optum Allergy and Immunology - Smithtown, NY

Allergy & Immunology • Smithtown, NY

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About

Optum Allergy and Immunology - Smithtown is located at 50 Route 111 Suite 105 in Smithtown, NY. The clinic offers allergy and immunology services including allergy testing, asthma diagnostic testing, immunotherapy, eczema treatment, spirometry, and medication management for seasonal allergies and chronic conditions.

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Clinic Type

Allergy & Immunology

Address

50 Route 111 Ste 105, Smithtown, NY 11787

Phone

+1-631-543-7607

Email

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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 |

Website

https://www.optum.com/en/care/facilities/ny/optum-allergy-and-immunology-smithtown-13601_1001139007.html

Services Offered

Allergy & Immunology
Screening Evaluations
Imaging Services
Acute Conditions
Follow-Up Care
Spirometry
Eczema
Laboratory Studies
Allergy Testing
Asthma Diagnostic Testing
Immunotherapy
Referral Coordination
Medication Management
Seasonal Allergies
Chronic Disease Management
Preventive Care

Team

Lauren Rothstein, Allergy & Immunology — MD
Robyn Kreiner, Allergy & Immunology — MD

Insurance & Payment

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Languages Spoken

English

Social Media

Twitter Facebook Linkedin Instagram

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 Wertheim

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