What is Mark Claussen's NPI number?

Mark Claussen's National Provider Identifier (NPI) is 1457221335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Claussen's specialty?

Mark Claussen is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).

Where is Mark Claussen located?

Mark Claussen's practice location on file with NPPES is 512 W Phillip Ave, Norfolk, NE 68701-5208.

What is Mark Claussen's phone number?

The practice phone number listed in the NPPES registry for Mark Claussen is (402) 644-2500.

Is Mark Claussen's NPI active?

Yes — Mark Claussen's NPI (1457221335) is active in the NPPES registry as of the last update on 2025-11-06.

IndividualActive

Mark Claussen

NPI 1457221335 · School Psychologist · Norfolk, NE

Mark Claussen is a School Psychologist provider in Norfolk, NE (NPI 1457221335).

Provider details

NPI number: 1457221335
Entity type: Individual
Primary specialty: School PsychologistBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

School PsychologistPrimary103TS0200X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

512 W Phillip Ave

Norfolk, NE 68701-5208

Phone: (402) 644-2500

Street-level locationGet directions

More NE providers

Mailing address