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

Dr. Marvin John Salzmann, MD

Individual provider Internal Medicine Physician · NPI 1558342923

Dr. Marvin John Salzmann, MD is an Internal Medicine Physician in Crystal Lake, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2005
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

460 Coventry Ln
Crystal Lake, IL 60014-7561
Phone: (815) 455-1344
Fax: (815) 455-8232
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 03641106 (IL)

Record details

NPI number1558342923
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 10, 2005
Last updated in NPPESOctober 7, 2013

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