DR. JOHN G COLLISON D.D.S.
NPI 1851430391
Dentist - General Practice in Marshalltown, IA

Q: What is John Collison's NPI number?

The NPI number for John Collison is 1851430391. It was assigned to this individual provider in the NPPES registry on February 5, 2007.

Q: What is John Collison's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for John Collison was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since February 05, 2007

210 W MAIN ST, MARSHALLTOWN, IA 50158(641) 753-7000(641) 753-7232 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. John G Collison D.d.s. NPPES

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

DR. JOHN G COLLISON D.D.S. (NPI 1851430391) is an individual general practice provider in Marshalltown, Iowa, licensed in Iowa (6536) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1851430391

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. JOHN G COLLISONCredential: D.D.S.

Location Address210 W MAIN STMarshalltown, IA 50158-5846

Mailing Address210 W Main StMarshalltown, IA 50158-5846 · (641) 753-7000 · Fax (641) 753-7232

Phone(641) 753-7000

Fax(641) 753-7232

Sole ProprietorYes

Enumeration DateFebruary 5, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1851430391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in IA · 6536

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

210 W MAIN ST, Marshalltown, IA 50158

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Other Identifiers 1

Medicaid0004044IA

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 Collison's NPI number?

The NPI number for John Collison is 1851430391. It was assigned to this individual provider in the NPPES registry on February 5, 2007.

Where is John Collison located?

John Collison practices at 210 W Main St, Marshalltown, IA 50158. The listed phone number is (641) 753-7000.

What is John Collison's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for John Collison was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.