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JENNIFER RIVERS LCSW, LAC-C
NPI 1609397017
Social Worker - Clinical in Helena, MT

Active since July 06, 2017PECOS Enrolled
60 S LAST CHANCE GULCH, HELENA, MT 59601(406) 443-2343(406) 442-5490 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Aug 5, 2020, Jul 6, 2017 (3 updates tracked since 2017).

About Jennifer Rivers Lcsw, Lac-c NPPES

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

JENNIFER RIVERS LCSW, LAC-C (NPI 1609397017) is an individual clinical provider in Helena, Montana, licensed in Montana (44019) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609397017
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJENNIFER RIVERSCredential: LCSW, LAC-C
Location Address60 S LAST CHANCE GULCHHelena, MT 59601-4131
Mailing AddressPo Box 1153Helena, MT 59624-1153 · (406) 443-2343 · Fax (406) 442-5490
Phone(406) 443-2343
Fax(406) 442-5490
Sole ProprietorNo
Enumeration DateJuly 6, 2017
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPPES CertifiedAugust 5, 2020
✔ NPI 1609397017 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 MT · 44019
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.
60 S LAST CHANCE GULCH, Helena, MT 59601
Open in Google Maps ↗

Other Names 1

Former Name (1)Jen Shirilla

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, PacificSource Health Plans, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer Rivers Lcsw, Lac-c 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 Jennifer Rivers reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Boyd Andrew Community Services
Same address
Rehabilitation, Substance Use Disorder
60 S LAST CHANCE GULCH
Helena, MT 59601
  • Reassigned Medicare billing, Montana enrollment
NPI 1841323706 (406) 443-2343

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 59601 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 $56.81 – $172.26
Typical copayment $0.00 (range $14.20 – $43.06)
Most-billed visit code NA
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
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 9

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

JENNIFER ANN GANTZ LAC
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
SARAH ANN GONSER ACLC
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
KARI A HARCHARIK LAC
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
MADISEN LINDQUIST LAC
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
ANDREE O'SHEA L.A.C.
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
HEATHER JEAN HUNDTOFT LAC,LCSW
Social Worker (Clinical)
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
ROBERT WILLIAM WITKOWSKI LAC-C
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343
DEREK BROWNING LAC
Counselor (Addiction (Substance Use Disorder))
60 S LAST CHANCE GULCH
HELENA, MT 59601
Lewis And Clark County (406) 443-2343

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 Jennifer Rivers's NPI number?

The NPI number for Jennifer Rivers is 1609397017. It was assigned to this individual provider in the NPPES registry on July 6, 2017. The provider is also known as Jen Shirilla.

Where is Jennifer Rivers located?

Jennifer Rivers practices at 60 S Last Chance Gulch, Helena, MT 59601. The listed phone number is (406) 443-2343.

What is Jennifer Rivers's specialty?

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

Is Jennifer Rivers enrolled in Medicare?

Yes. Jennifer Rivers is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jennifer Rivers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Rivers reassigns Medicare benefits to Boyd Andrew Community Services (Helena, MT). 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 Jennifer Rivers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Rivers accept?

Health plans from Blue Cross and Blue Shield of Montana, PacificSource Health Plans and Providence Health Plan list Jennifer Rivers 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 Jennifer Rivers was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.