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North Country Allergy & Immunology

Allergy & Immunology • Watertown, WI

About

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North Country Allergy & Immunology is a Watertown, NY medical practice specializing in allergy and immunology services. They offer personalized treatments including immunotherapy, asthma treatment, pediatric allergist care, sinus problem management, and eczema treatment. The practice emphasizes patient responsiveness and is headquartered in Watertown. Contact: 315-221-3645. Website: watertownallergist.com. Small practice (1–10 employees) with a local focus and modest online presence.

Clinic Type

Allergy & Immunology

Address

531 Washington St, 1st Floor, Watertown, NY 13601

Phone

315-221-3645

Email

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Opening Hours

Mon: 8:00am - 4:30pm; Tue: 8:00am - 4:30pm; Wed: 8:00am - 4:30pm; Thu: 8:00am - 4:30pm; Fri: 8:00am - Noon; Weekends: Closed

Website

https://watertownallergist.com/

Services Offered

  • Allergy Testing
  • Allergy Treatment
  • Immunologists
  • Immunotherapy
  • Asthma
  • Pediatric Allergist
  • Childrens Asthma Treatment
  • Sinus Problems
  • Eczema Treatment

Insurance & Payment

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Languages Spoken

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FAQs

What services are offered for allergy and immunology?

Comprehensive allergy testing, immunotherapy, eczema treatment, asthma treatment, and sinus therapy.

Photos

North Country Allergy & Immunology, allergy & immunology clinic in Watertown, WI — photo 1 of 1

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Dr. John Cosachov): 4.0/5.0 (7 ratings, 2 reviews)
  • WebMD (Dr. Dariusz Chrostowski): 4.5/5.0 (14 ratings)
  • FindATopDoc (Dr. Dariusz Chrostowski): 4.0/5.0 (10 ratings)

Patients praise

  • Caring and straightforward providers
  • Effective treatment for asthma and allergies
  • Knowledgeable and kind staff reported at other regional practices

Common complaints

  • Unprofessionalism reported among nursing staff

"Dr John Cosachov is a very caring Dr. He will answers your question straight forward."

— WebMD patient review (2024)

"The RNs running the practice at this office and in the main office are extremely unprofessional."

— Yelp review of North Country Allergy & Immunology

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

In the News

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

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