DIANA L HARTWIG LISW-S
NPI 1053874859
Social Worker - Clinical in Beachwood, OH

Q: What is Diana Hartwig's NPI number?

The NPI number for Diana Hartwig is 1053874859. It was assigned to this individual provider in the NPPES registry on April 9, 2019.

Q: What is Diana Hartwig's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Diana Hartwig was last updated on April 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.

Active since April 09, 2019PECOS EnrolledAccepts Medicare Assignment

23715 MERCANTILE RD STE A203, BEACHWOOD, OH 44122(216) 292-2880 Get Directions Write a Review

NPPES record last updated: April 9, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Diana L Hartwig Lisw-s NPPES

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

DIANA L HARTWIG LISW-S (NPI 1053874859) is an individual clinical provider in Beachwood, Ohio and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1053874859

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameDIANA L HARTWIGCredential: LISW-S

Location Address23715 MERCANTILE RD STE A203Beachwood, OH 44122-5918

Mailing Address23715 Mercantile Rd Ste A203Beachwood, OH 44122-5918 · (216) 292-2880

Phone(216) 292-2880

Sole ProprietorYes

Medical School CMSOtherGraduated 2014

Enumeration DateApril 9, 2019

✔ NPI 1053874859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

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.

23715 MERCANTILE RD STE A203, Beachwood, OH 44122

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana L Hartwig Lisw-s is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769723873

PECOS Enrollment IDI20190417001931

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 Reassignment

Medicare enrollment records show Diana Hartwig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psycho Social Therapies,ltd

0.4 mi

Clinical

23366 COMMERCE PARK STE 100B
Beachwood, OH 44122

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

NPI 1750335261 (216) 292-2880

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834

Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.

125 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44122 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.

DARLENE MASON LISW

Social Worker (Clinical)