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CASSIE KOESTER LCSW
NPI 1376191171
Social Worker - Clinical in Trinity, FL

Active since August 27, 2019PECOS Enrolled
9332 STATE ROUTE 54, SUITE 307, TRINITY, FL 34655(727) 999-3311 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2021, Sep 3, 2020, Aug 27, 2019 (3 updates tracked since 2019).

About Cassie Koester Lcsw NPPES

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

CASSIE KOESTER LCSW (NPI 1376191171) is an individual clinical provider in Trinity, Florida and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1376191171
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameCASSIE KOESTERCredential: LCSW
Location Address9332 STATE ROUTE 54, SUITE 307Trinity, FL 34655
Mailing Address9332 State Route 54, Suite 307Trinity, FL 34655 · (727) 999-3311
Phone(727) 999-3311
Sole ProprietorNo
Enumeration DateAugust 27, 2019
Last NPPES UpdateSeptember 13, 20213 updates tracked since enumeration
NPPES CertifiedAugust 26, 2021
✔ NPI 1376191171 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.
9332 STATE ROUTE 54, Trinity, FL 34655
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13251 N McMullen Booth Rd Ste 100Clearwater, FL 33761-2022 · Phone (727) 725-6026
Location 214499 N Dale Mabry Hwy Ste 130-STampa, FL 33618-2078 · Phone (813) 530-1414

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassie Koester Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Cassie Koester reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Behavioral Health Management Services Inc
2.3 mi
Adult Mental Health
4411 ROWAN RD
New Port Richey, FL 34653
  • Reassigned Medicare billing, Florida enrollment
  • 188 clinicians in this Medicare group
NPI 1043472673 (727) 841-4430
Personal Recovery Network LLC
377 mi
Psychiatry
250 CORPORATE CENTER CT
Stockbridge, GA 30281
  • Reassigned Medicare billing, Florida enrollment
  • 408 clinicians in this Medicare group
NPI 1881990869 (770) 389-8100

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 34655 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 $56.00 – $171.84
Typical copayment $0.00 (range $14.00 – $42.96)
Most-billed visit code NA
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
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.

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 Cassie Koester's NPI number?

The NPI number for Cassie Koester is 1376191171. It was assigned to this individual provider in the NPPES registry on August 27, 2019.

Where is Cassie Koester located?

Cassie Koester practices at 9332 State Route 54 Suite 307, Trinity, FL 34655. The listed phone number is (727) 999-3311.

What is Cassie Koester's specialty?

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

Is Cassie Koester enrolled in Medicare?

Yes. Cassie Koester is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Cassie Koester's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Koester reassigns Medicare benefits to 2 organizations: Behavioral Health Management Services Inc (New Port Richey, FL) and Personal Recovery Network LLC (Stockbridge, GA). 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 Cassie Koester's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Cassie Koester was last updated on September 13, 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.