DR. DIANA LYNN THEISS PH.D., LISW-S
NPI 1265722813
Social Worker - Clinical in Sylvania, OH

Active since April 17, 2011PECOS EnrolledAccepts Medicare Assignment
5800 MONROE ST STE A1, SYLVANIA, OH 43560(419) 276-3556 Get Directions Write a Review

NPPES record last updated: March 2, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 2, 2023, Apr 25, 2018, Nov 3, 2017 (3 updates tracked since 2017).

About Dr. Diana Lynn Theiss Ph.d., Lisw-s NPPES

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

DR. DIANA LYNN THEISS PH.D., LISW-S (NPI 1265722813) is an individual clinical provider in Sylvania, Ohio, licensed in Ohio (I-0900183-SUPV) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1265722813
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDR. DIANA LYNN THEISSCredential: PH.D., LISW-S
Location Address5800 MONROE ST STE A1Sylvania, OH 43560-2208
Mailing Address5800 Monroe St Ste A1Sylvania, OH 43560-2208 · (419) 276-3556
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateApril 17, 2011
Last NPPES UpdateMarch 2, 20233 updates tracked since enumeration
NPPES CertifiedMarch 2, 2023
NPI 1265722813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in OH · I-0900183-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.

Also ListedSocial WorkerTaxonomy 104100000X · License I.0900183-SUPV (OH)
5800 MONROE ST STE A1, Sylvania, OH 43560

Other Identifiers 1

Medicaid0155198OH

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Diana Lynn Theiss Ph.d., 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 ID1557522141
PECOS Enrollment IDI20120406000390
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.

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, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
172 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43560 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 10

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

Social Worker (Clinical)
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Social Worker (Clinical)
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Social Worker (Clinical)
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Social Worker
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Social Worker
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Counselor (Mental Health)
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Social Worker (Clinical)
5800 MONROE ST STE A1
SYLVANIA, OH 43560
Social Worker
5800 MONROE ST STE A1
SYLVANIA, OH 43560

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 Diana Theiss's NPI number?

The NPI number for Diana Theiss is 1265722813. It was assigned to this individual provider in the NPPES registry on April 17, 2011.

Where is Diana Theiss located?

Diana Theiss practices at 5800 Monroe St Ste A1, Sylvania, OH 43560. The listed phone number is (419) 276-3556.

What is Diana Theiss's specialty?

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

Is Diana Theiss enrolled in Medicare?

Yes. Diana Theiss is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diana Theiss accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and MedMutual and 3 other insurers list Diana Theiss as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diana Theiss was last updated on March 2, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.