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

William John Heetderks, MD

Individual provider Internal Medicine Physician · NPI 1407709579

William John Heetderks, MD is an Internal Medicine Physician in Newaygo, Michigan. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2026
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

5678 S Gordon Ave
Newaygo, MI 49337-9162
Phone: (231) 245-3279
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 D0035115 (MD)

Record details

NPI number1407709579
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 18, 2026
Last updated in NPPESFebruary 18, 2026
Certification dateFebruary 18, 2026
Mailing address5678 S Gordon Ave, Newaygo, MI 49337-9162