Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Britt H. Tonnessen, MD

Individual provider Vascular Surgery Physician · NPI 1073567772

Dr. Britt H. Tonnessen, MD is a Vascular Surgery in New Haven, Connecticut. Graduated from Mayo Medical School in 1999, 27 years ago. Practices with Yale University, a 2,618-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Connecticut, Louisiana, New York and South Carolina.

Years since qualifying
27
Trained at
Mayo Medical School
Licensed in
CT, LA, NY, SC
In the registry since
2006
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

330 Cedar Street Boardman 204
New Haven, CT 06520-8062
Phone: (203) 785-6258
Fax: (203) 785-7556
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 117 Marys Ave Ste 202, Kingston, NY 12401-5849 — (845) 338-1992
  • 21 Reade Pl Ste 2200, Poughkeepsie, NY 12601-3970 — (845) 483-0698
  • 316 Calhoun St, Charleston, SC 29401-1113 — (843) 720-5665

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 62276 (CT)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence TL32882 (SC)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 32882 (SC)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 282289 (NY)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence MD.025529 (LA)

Record details

NPI number1073567772
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESJanuary 23, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyVASCULAR SURGERY
Medical schoolMAYO MEDICAL SCHOOL
Graduated 1999 (27 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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