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

Dr. Constance Kay Haan, MD

Individual provider Surgery Physician · NPI 1790750305

Dr. Constance Kay Haan, MD is a Surgery Physician in Billings, Montana. Works from 2 locations. Licensed in Florida.

Licensed in
FL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3723 Central Ave
Billings, MT 59102
Phone: (406) 281-5344
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5245 Merlot Ln, Billings, MT 59106-2302 — (406) 927-2571

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence ME85414 (FL)
Surgery Physician Taxonomy 208600000X · Licence ME85414 (FL)

Record details

NPI number1790750305
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 18, 2006
Last updated in NPPESJuly 6, 2018
Mailing address5245 Merlot Ln, Billings, MT 59106-2302

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