Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GWENDOLYN BARNHART LISW
NPI 1437840105
Social Worker - Clinical in Columbus, OH

Q: What is Gwendolyn Barnhart's NPI number?

The NPI number for Gwendolyn Barnhart is 1437840105. It was assigned to this individual provider in the NPPES registry on May 15, 2023.

Q: What is Gwendolyn Barnhart's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Active since May 15, 2023PECOS Enrolled

181 TAYLOR AVE, COLUMBUS, OH 43203(614) 293-9600(614) 366-1215 Get Directions Write a Review

NPPES record last updated: October 30, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 30, 2026, Jul 10, 2023, May 15, 2023 (3 updates tracked since 2023).

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About Gwendolyn Barnhart Lisw NPPES

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

GWENDOLYN BARNHART LISW (NPI 1437840105) is an individual clinical provider in Columbus, Ohio, licensed in Ohio (I.2203357-SUPV) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Columbus, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1437840105

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameGWENDOLYN BARNHARTCredential: LISW

Location Address181 TAYLOR AVEColumbus, OH 43203-1779

Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 293-9600 · Fax (614) 366-1215

Phone(614) 293-9600

Fax(614) 366-1215

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateMay 15, 2023

Last NPPES UpdateOctober 30, 20263 updates tracked since enumeration

NPPES CertifiedOctober 30, 2026

✔ NPI 1437840105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in OH · I.2203357-SUPV

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

181 TAYLOR AVE, Columbus, OH 43203

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Secondary Practice Location 1

Location 116 W Long StColumbus, OH 43215-2815 · Phone (614) 225-0990

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Oscar Health Insurance, Oscar Insurance Corporation of Ohio.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gwendolyn Barnhart Lisw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3577901339

PECOS Enrollment IDI20240329002027

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Gwendolyn Barnhart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southeast, Inc

2.1 mi

Mental Health (Including Community Mental Health Center)

16 W LONG ST
Columbus, OH 43215

Reassigned Medicare billing, Ohio enrollment
81 clinicians in this Medicare group

NPI 1932169497 (614) 225-0980

Buckeye Clinic

6.6 mi

Rehabilitation, Substance Use Disorder

3121 W BROAD ST
Columbus, OH 43204

Reassigned Medicare billing, Ohio enrollment
14 clinicians in this Medicare group

NPI 1174115034 (614) 869-2002

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $54.34 – $166.65

Typical copayment $0.00 (range $13.58 – $41.66)

Most-billed visit code NA

Established Patient

$68.07 typical visit price

range $17.10 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

AMY ELIZABETH PIETRAGALLO RN, MSN, ACNP-BC

Nurse Practitioner (Acute Care)