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WILLIAM JOHN HEETDERKS MD
NPI 1407709579
Internal Medicine in Newaygo, MI

Active since February 18, 2026
5678 S GORDON AVE, NEWAYGO, MI 49337(231) 245-3279 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William John Heetderks Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM JOHN HEETDERKS MD (NPI 1407709579) is an individual internal medicine provider in Newaygo, Michigan, licensed in Maryland (D0035115) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1407709579
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM JOHN HEETDERKSCredential: MD
Location Address5678 S GORDON AVENewaygo, MI 49337-9162
Mailing Address5678 S Gordon AveNewaygo, MI 49337-9162
Phone(231) 245-3279
Sole ProprietorYes
Enumeration DateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1407709579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0035115
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5678 S GORDON AVE, Newaygo, MI 49337
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Heetderks's NPI number?

The NPI number for William Heetderks is 1407709579. It was assigned to this individual provider in the NPPES registry on February 18, 2026.

Where is William Heetderks located?

William Heetderks practices at 5678 S Gordon Ave, Newaygo, MI 49337. The listed phone number is (231) 245-3279.

What is William Heetderks's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for William Heetderks was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.