What is Darrell Messersmith's NPI number?

Darrell Messersmith's National Provider Identifier (NPI) is 1518189893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Darrell Messersmith's specialty?

Darrell Messersmith is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Darrell Messersmith located?

Darrell Messersmith's practice location on file with NPPES is Po Box 378, Ekalaka, MT 59324-0378.

What is Darrell Messersmith's phone number?

The practice phone number listed in the NPPES registry for Darrell Messersmith is (970) 471-1843.

Is Darrell Messersmith's NPI active?

Yes — Darrell Messersmith's NPI (1518189893) is active in the NPPES registry as of the last update on 2026-03-06.

IndividualActive

Darrell Messersmith, MSPT

NPI 1518189893 · Case Manager/Care Coordinator · Ekalaka, MT

Darrell Messersmith, MSPT is a Case Manager/Care Coordinator provider in Ekalaka, MT (NPI 1518189893).

Provider details

NPI number: 1518189893
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Credential: MSPT
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Detailed profile(83/100 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
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

Po Box 378

Ekalaka, MT 59324-0378

Phone: (970) 471-1843

Approximate (ZIP-level) locationGet directions

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Mailing address