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KATHERINE M. HEISLER LCSW
NPI 1811420102
Social Worker - Clinical in Ontario, CA

Active since April 04, 2017PECOS Enrolled
3400 INLAND EMPIRE BLVD STE 101, ONTARIO, CA 91764(909) 378-6070(909) 259-2457 Get Directions Write a Review

NPPES record last updated: November 21, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katherine M. Heisler Lcsw NPPES

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

KATHERINE M. HEISLER LCSW (NPI 1811420102) is an individual clinical provider in Ontario, California, licensed in California (LCSW75901) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Corona.

NPPES Registry Identity

NPI1811420102
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE M. HEISLERCredential: LCSW
Location Address3400 INLAND EMPIRE BLVD STE 101Ontario, CA 91764-5577
Mailing Address3400 Inland Empire Blvd Ste 101Ontario, CA 91764-5577 · (909) 378-6070 · Fax (909) 259-2457
Phone(909) 378-6070
Fax(909) 259-2457
Sole ProprietorYes
Enumeration DateApril 4, 2017
Last NPPES UpdateNovember 21, 2019
✔ NPI 1811420102 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 CA · LCSW75901
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.
3400 INLAND EMPIRE BLVD STE 101, Ontario, CA 91764
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Secondary Practice Location 1

Location 12813 S Main StCorona, CA 92882-5942 · Phone (951) 272-5445 · Fax (951) 272-5489

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine M. Heisler 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 Reassignment

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

County Of Riverside
7.1 mi
Federally Qualified Health Center (FQHC)
8876 MISSION BLVD
Jurupa Valley, CA 92509
  • Reassigned Medicare billing, California enrollment
  • 336 clinicians in this Medicare group
NPI 1871607713 (951) 360-8795

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 91764 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 $59.60 – $179.42
Typical copayment $0.00 (range $14.90 – $44.85)
Most-billed visit code NA
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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 4

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

ABLOSSOM HEALTH CARE
Home Health
3400 INLAND EMPIRE BLVD STE 101
ONTARIO, CA 91764
San Bernardino County (213) 436-3740
CRUZ HOSPICE CARE INC.
Hospice Care, Community Based
3400 INLAND EMPIRE BLVD STE 101
ONTARIO, CA 91764
San Bernardino County (909) 815-8523
SPIRITED BY TRUTH LICENSED CLINICAL SOCIAL WORKER CORPORTATION
Social Worker (Clinical)
3400 INLAND EMPIRE BLVD STE 101
ONTARIO, CA 91764
San Bernardino County (909) 312-0552
KENNETH WOODARD
Private Vehicle
3400 INLAND EMPIRE BLVD STE 101
ONTARIO, CA 91764
San Bernardino County (310) 994-5742

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 Katherine Heisler's NPI number?

The NPI number for Katherine Heisler is 1811420102. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Katherine Heisler located?

Katherine Heisler practices at 3400 Inland Empire Blvd Ste 101, Ontario, CA 91764. The listed phone number is (909) 378-6070.

What is Katherine Heisler's specialty?

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

Is Katherine Heisler enrolled in Medicare?

Yes. Katherine Heisler is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Heisler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Heisler reassigns Medicare benefits to County Of Riverside (Jurupa Valley, CA). The 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 Katherine Heisler'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 Katherine Heisler was last updated on November 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.