Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

REBECCA NELSON MUMM LCSW
NPI 1376139667
Social Worker - Clinical in Rexburg, ID

Active since December 21, 2020PECOS Enrolled
343 E 4TH N STE 235, REXBURG, ID 83440(208) 243-9526(208) 366-1969 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 3, 2026, Aug 25, 2026, Dec 21, 2020 (3 updates tracked since 2020).

About Rebecca Nelson Mumm Lcsw NPPES

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

REBECCA NELSON MUMM LCSW (NPI 1376139667) is an individual clinical provider in Rexburg, Idaho, licensed in Idaho (8861508) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1376139667
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameREBECCA NELSON MUMMCredential: LCSW
Location Address343 E 4TH N STE 235Rexburg, ID 83440-6009
Mailing Address665 W Main StRexburg, ID 83440-1889 · (208) 351-3086
Fax(208) 366-1969
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateDecember 21, 2020
Last NPPES UpdateSeptember 3, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
NPI 1376139667 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 ID · 8861508
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.
343 E 4TH N STE 235, Rexburg, ID 83440

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 (PECOS)

Rebecca Nelson Mumm Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446733505
PECOS Enrollment IDI20260317001700
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83440 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 $52.44 – $160.17
Typical copayment $0.00 (range $13.11 – $40.04)
Most-billed visit code NA
Established Patient
$65.77 typical visit price
range $16.68 – $130.93
Typical copayment $16.44 (range $4.17 – $32.73)
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

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

Clinic/Center (Mental Health (Including Community Mental Health Center))
343 E 4TH N STE 235
REXBURG, ID 83440

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 Rebecca Mumm's NPI number?

The NPI number for Rebecca Mumm is 1376139667. It was assigned to this individual provider in the NPPES registry on December 21, 2020.

Where is Rebecca Mumm located?

Rebecca Mumm practices at 343 E 4th N Ste 235, Rexburg, ID 83440. The listed phone number is (208) 243-9526.

What is Rebecca Mumm's specialty?

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

Is Rebecca Mumm enrolled in Medicare?

Yes. Rebecca Mumm is registered in the Medicare PECOS enrollment system.

What insurance does Rebecca Mumm accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Rebecca Mumm 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 Rebecca Mumm was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.