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

John A Walen, MD

Individual provider Family Medicine Physician · NPI 1922155332

John A Walen, MD is a Family Medicine Physician in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2007.

Licensed in
MI
In the registry since
2007
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

1211 Lafayette Ave NE
Grand Rapids, MI 49505-5092
Phone: (616) 336-8800
Fax: (616) 336-9700
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 4301045167 (MI)

Record details

NPI number1922155332
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 5, 2007
Last updated in NPPESJune 14, 2016
Mailing address1211 Lafayette Ave Ne, Grand Rapids, MI 49505-5092

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