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

Sidney Lynn Marsman

Individual provider Case Manager/Care Coordinator · NPI 1205792686

Sidney Lynn Marsman is a Case Manager/Care Coordinator in Grand Rapids, Michigan. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

790 Fuller Ave NE
Grand Rapids, MI 49503-1918
Phone: (616) 336-3909
Fax: (616) 336-8830
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1205792686
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedDecember 30, 2025
Last updated in NPPESDecember 30, 2025
Certification dateDecember 30, 2025

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