What is Trevor Holsinger's NPI number?

Trevor Holsinger's National Provider Identifier (NPI) is 1235009622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Trevor Holsinger's specialty?

Trevor Holsinger is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Trevor Holsinger located?

Trevor Holsinger's practice location on file with NPPES is 901 Washington St, Portsmouth, OH 45662-3944.

What is Trevor Holsinger's phone number?

The practice phone number listed in the NPPES registry for Trevor Holsinger is (740) 354-7702.

Is Trevor Holsinger's NPI active?

Yes — Trevor Holsinger's NPI (1235009622) is active in the NPPES registry as of the last update on 2025-11-12.

IndividualActive

Trevor Holsinger

NPI 1235009622 · Social Worker · Portsmouth, OH

Trevor Holsinger is a Social Worker provider in Portsmouth, OH (NPI 1235009622).

Provider details

NPI number: 1235009622
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: S.2512973 (OH)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense S.2512973 (OH)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 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
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

901 Washington St

Portsmouth, OH 45662-3944

Phone: (740) 354-7702

Fax: (740) 353-1662

Street-level locationGet directions

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Mailing address