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TREVOR HOLSINGER
NPI 1235009622
Social Worker in Portsmouth, OH

Active since November 10, 2025
901 WASHINGTON ST, PORTSMOUTH, OH 45662(740) 354-7702(740) 353-1662 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Trevor Holsinger NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TREVOR HOLSINGER (NPI 1235009622) is an individual social worker in Portsmouth, Ohio, licensed in Ohio (S.2512973) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1235009622
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameTREVOR HOLSINGER
Location Address901 WASHINGTON STPortsmouth, OH 45662-3944
Mailing Address901 Washington StPortsmouth, OH 45662-3944 · (740) 354-7702 · Fax (740) 353-1662
Phone(740) 354-7702
Fax(740) 353-1662
Sole ProprietorYes
Enumeration DateNovember 10, 2025
Last NPPES UpdateNovember 12, 2025
NPPES CertifiedNovember 12, 2025
✔ NPI 1235009622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in OH · S.2512973
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
901 WASHINGTON ST, Portsmouth, OH 45662
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. CRYSTAL MARIE TRAVIS
Nurse Practitioner (Psychiatric/Mental Health)
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 354-1010
STEPHANIE CRAFT
Licensed Practical Nurse
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 442-7637
MRS. ROSE POLLARD LSW
Social Worker (Clinical)
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 354-7702
NATHAN C POWELL
Social Worker
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (403) 547-7027
ALEXIS DUNIGAN
Social Worker
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 354-7702
KRISTIN BROWN
Case Manager/Care Coordinator
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 442-7637
MRS. STEPHANIE JOAN LANG NP-C
Nurse Practitioner (Psychiatric/Mental Health)
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 354-7702
PAUL A SHIVELEY
Counselor (Professional)
901 WASHINGTON ST
PORTSMOUTH, OH 45662
Scioto County (740) 354-7702

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Trevor Holsinger's NPI number?

The NPI number for Trevor Holsinger is 1235009622. It was assigned to this individual provider in the NPPES registry on November 10, 2025.

Where is Trevor Holsinger located?

Trevor Holsinger practices at 901 Washington St, Portsmouth, OH 45662. The listed phone number is (740) 354-7702.

What is Trevor Holsinger's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Trevor Holsinger was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.