Britt H. Tonnessen, MD

Healthcare Provider

(203) 785-6258New Haven, CT
Telehealth Available
NPI Active per CMS — Q2 2026

Britt Tonnessen, MD practices as part of a group healthcare provider practice in New Haven, CT. A Mayo Medical School graduate since 1999, she brings 27+ years of experience.

1 of 9 specialty providers in CT27+ years experienceNPI since 2006

Data updated 2019-01-23 on CMS NPPES

Contact & Location

Practice Location

330 Cedar Street, Boardman 204, New Haven, CT 06520-8062

Fax: (203) 785-7556

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Education & Training

Mayo Medical School (Class of 1999)

Virtual Healthcare Care With Britt Tonnessen

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Britt Tonnessen for follow-ups, medication reviews, and ongoing care — no travel to New Haven required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Britt Tonnessen

NPI records show Dr. Tonnessen as active with telehealth listed in New Haven, CT. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (203) 785-6258.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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