What is John Collison's NPI number?

John Collison's National Provider Identifier (NPI) is 1851430391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Collison's specialty?

John Collison is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is John Collison located?

John Collison's practice location on file with NPPES is 210 W Main St, Marshalltown, IA 50158-5846.

What is John Collison's phone number?

The practice phone number listed in the NPPES registry for John Collison is (641) 753-7000.

Is John Collison's NPI active?

Yes — John Collison's NPI (1851430391) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Collison, D.D.S.

NPI 1851430391 · General Practice Dentistry · Marshalltown, IA

John Collison, D.D.S. is a General Practice Dentistry provider in Marshalltown, IA (NPI 1851430391).

Provider details

NPI number: 1851430391
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: Yes
License: 6536 (IA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 6536 (IA)
Dental Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

210 W Main St

Marshalltown, IA 50158-5846

Phone: (641) 753-7000

Fax: (641) 753-7232

Street-level locationGet directions

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Mailing address