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

Mr. Ian Best, MD

Individual provider Pediatrics Physician · NPI 1659359248

Mr. Ian Best, MD is a Pediatrics Physician in Marseilles, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

580 Sycamore St
Marseilles, IL 61341-1366
Phone: (815) 795-2122
Fax: (815) 795-3507
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036111569 (IL)

Record details

NPI number1659359248
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2006
Last updated in NPPESFebruary 25, 2020
Certification dateFebruary 25, 2020
Mailing address725 School St Ste A, Morris, IL 60450-1207