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JOHN OOSTENDORP MD
NPI 1790725802
Internal Medicine in Holland, MI

Active since June 07, 2006
588 LAKEWOOD BLVD, HOLLAND, MI 49424(616) 494-5800(616) 494-5901 Get Directions Write a Review

NPPES record last updated: January 7, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 7, 2022, Feb 25, 2021 (2 updates tracked since 2021).

About John Oostendorp Md NPPES

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

JOHN OOSTENDORP MD (NPI 1790725802) is an individual internal medicine provider in Holland, Michigan, licensed in Michigan (4301042921) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1790725802
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN OOSTENDORPCredential: MD
Location Address588 LAKEWOOD BLVDHolland, MI 49424-2023
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Phone(616) 494-5800
Fax(616) 494-5901
Sole ProprietorNo
Enumeration DateJune 7, 2006
Last NPPES UpdateJanuary 7, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2022
✔ NPI 1790725802 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301042921
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.
588 LAKEWOOD BLVD, Holland, MI 49424
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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 John Oostendorp's NPI number?

The NPI number for John Oostendorp is 1790725802. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is John Oostendorp located?

John Oostendorp practices at 588 Lakewood Blvd, Holland, MI 49424. The listed phone number is (616) 494-5800.

What is John Oostendorp'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 John Oostendorp was last updated on January 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.