What is Zachary Holbrook's NPI number?

Zachary Holbrook's National Provider Identifier (NPI) is 1891624342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Zachary Holbrook's specialty?

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

Where is Zachary Holbrook located?

Zachary Holbrook's practice location on file with NPPES is 517 3rd Ave, Chesapeake, OH 45619-1036.

What is Zachary Holbrook's phone number?

The practice phone number listed in the NPPES registry for Zachary Holbrook is (740) 451-0342.

Is Zachary Holbrook's NPI active?

Yes — Zachary Holbrook's NPI (1891624342) is active in the NPPES registry as of the last update on 2026-05-19.

IndividualActive

Zachary Holbrook, CMS

NPI 1891624342 · Case Manager/Care Coordinator · Chesapeake, OH

Zachary Holbrook, CMS is a Case Manager/Care Coordinator provider in Chesapeake, OH (NPI 1891624342).

Provider details

NPI number: 1891624342
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Credential: CMS
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Basic profile(46/100 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

517 3rd Ave

Chesapeake, OH 45619-1036

Phone: (740) 451-0342

Street-level locationGet directions

More OH providers

Mailing address