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

Dr. Peter H. Marks, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1558327320

Dr. Peter H. Marks, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Beloit, Wisconsin. Licensed in Illinois and Wisconsin. Registered with an NPI since 2006.

Licensed in
IL, WI
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

1969 W Hart Road Beloit Health System Inc
Beloit, WI 53511-2298
Phone: (608) 364-5011
Fax: (608) 364-5593
Show map & directions

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

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 45518-20 (WI)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 036-060891 (IL)

Record details

NPI number1558327320
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESFebruary 27, 2013
Mailing address1969 W. Hart Road, Beloit Health System Inc, Beloit, WI 53511-2298