What is Lars Ruser's NPI number?

Lars Ruser's National Provider Identifier (NPI) is 1619536471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lars Ruser's specialty?

Lars Ruser is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Lars Ruser located?

Lars Ruser's practice location on file with NPPES is 23332 Red Arrow Hwy, Mattawan, MI 49071-9703.

What is Lars Ruser's phone number?

The practice phone number listed in the NPPES registry for Lars Ruser is (269) 283-5345.

Is Lars Ruser's NPI active?

Yes — Lars Ruser's NPI (1619536471) is active in the NPPES registry as of the last update on 2019-06-06.

IndividualActive

Lars Ruser

NPI 1619536471 · Occupational Therapist · Mattawan, MI

Lars Ruser is a Occupational Therapist provider in Mattawan, MI (NPI 1619536471).

Provider details

NPI number: 1619536471
Entity type: Individual
Primary specialty: Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Occupational TherapistPrimary225X00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(59/100 index)

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

Registry tenure38% of score
7 yrs in NPPES 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

23332 Red Arrow Hwy

Mattawan, MI 49071-9703

Phone: (269) 283-5345

Street-level locationGet directions

More MI providers

Mailing address

839 Wickford Dr

Kalamazoo, MI 49009-7975

Enumerated: 2019-06-06
Last updated: 2019-06-06

Frequently asked questions

What is Lars Ruser's NPI number?: Lars Ruser's National Provider Identifier (NPI) is 1619536471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Lars Ruser's specialty?: Lars Ruser is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Lars Ruser located?: Lars Ruser's practice location on file with NPPES is 23332 Red Arrow Hwy, Mattawan, MI 49071-9703.
What is Lars Ruser's phone number?: The practice phone number listed in the NPPES registry for Lars Ruser is (269) 283-5345.
Is Lars Ruser's NPI active?: Yes — Lars Ruser's NPI (1619536471) is active in the NPPES registry as of the last update on 2019-06-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.