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TAMMIE PRENGER LISW
NPI 1821769985
Social Worker - Clinical in Sidney, OH

Active since September 27, 2021PECOS EnrolledAccepts Medicare Assignment
1101 N VANDEMARK RD, SIDNEY, OH 45365(937) 710-4616 Get Directions Write a Review

NPPES record last updated: September 27, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Tammie Prenger Lisw NPPES

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

TAMMIE PRENGER LISW (NPI 1821769985) is an individual clinical provider in Sidney, Ohio, licensed in Ohio (I.2103008) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1821769985
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTAMMIE PRENGERCredential: LISW
Location Address1101 N VANDEMARK RDSidney, OH 45365-3567
Mailing Address530 S Main StLima, OH 45804-1240 · (567) 371-4418
Phone(937) 710-4616
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 27, 2021
NPPES CertifiedSeptember 27, 2021
✔ NPI 1821769985 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.2103008
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.
1101 N VANDEMARK RD, Sidney, OH 45365
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MedMutual.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

Tammie Prenger Lisw 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 ID42609448
PECOS Enrollment IDI20211104002566
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

2

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

Crystal L. Oswalt, Ph.D., Counseling & Consulting Services Inc.
27 mi
Clinical
316 W MARKET ST
Celina, OH 45822
  • Reassigned Medicare billing, Ohio enrollment
  • 3 clinicians in this Medicare group
NPI 1518465822 (419) 586-3900
Family Resource Center Of Northwest Ohio Inc
30 mi
Mental Health (Including Community Mental Health Center)
530 S MAIN ST
Lima, OH 45804
  • Reassigned Medicare billing, Ohio enrollment
  • 48 clinicians in this Medicare group
NPI 1710930953 (419) 222-1168

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 45365 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.

RACHEL LAVINS
Social Worker
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 423-6365
PAMELA A TRENT SWA
Social Worker
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 492-8080
JENNA J BRANAM PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 622-7393
AMANDA STRUNK
Community Health Worker
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 710-4616
JOANNA SUE SHAW
Licensed Practical Nurse
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (567) 371-4418
MRS. CHRISTIAN R. COBLENTZ MSW LSW
Social Worker
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 492-8080
CIARA DAWN FERGUSON
Social Worker
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 710-4616
SHELBY COUNTY COUNSELING CENTER, INC.
Clinic/Center (Mental Health (Including Community Mental Health Center))
1101 N VANDEMARK RD
SIDNEY, OH 45365
Shelby County (937) 492-6970

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 Tammie Prenger's NPI number?

The NPI number for Tammie Prenger is 1821769985. It was assigned to this individual provider in the NPPES registry on September 27, 2021.

Where is Tammie Prenger located?

Tammie Prenger practices at 1101 N Vandemark Rd, Sidney, OH 45365. The listed phone number is (937) 710-4616.

What is Tammie Prenger's specialty?

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

Is Tammie Prenger enrolled in Medicare?

Yes. Tammie Prenger 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.

Which organizations bill Medicare for Tammie Prenger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammie Prenger reassigns Medicare benefits to 2 organizations: Crystal L. Oswalt, Ph.D., Counseling & Consulting Services Inc. (Celina, OH) and Family Resource Center Of Northwest Ohio Inc (Lima, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammie Prenger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammie Prenger accept?

Health plans from MedMutual list Tammie Prenger 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 Tammie Prenger was last updated on September 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.