MALLORY LOIS HISLAR MSW, LCSW
NPI 1306482666
Social Worker - Clinical in Greeley, CO

Active since November 21, 2019PECOS EnrolledAccepts Medicare Assignment
1306 11TH AVE, GREELEY, CO 80631(970) 347-2120 Get Directions Write a Review

NPPES record last updated: February 22, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 22, 2022, Mar 29, 2021, Nov 21, 2019 (3 updates tracked since 2019).

About Mallory Lois Hislar Msw, Lcsw NPPES

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

MALLORY LOIS HISLAR MSW, LCSW (NPI 1306482666) is an individual clinical provider in Greeley, Colorado, licensed in Colorado (CSW.09927998) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1306482666
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMALLORY LOIS HISLARCredential: MSW, LCSW
Location Address1306 11TH AVEGreeley, CO 80631-3835
Mailing Address1300 N 17th AveGreeley, CO 80631-9584 · (970) 347-2120
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateNovember 21, 2019
Last NPPES UpdateFebruary 22, 20223 updates tracked since enumeration
NPPES CertifiedFebruary 22, 2022
NPI 1306482666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CO · CSW.09927998
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
1306 11TH AVE, Greeley, CO 80631

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mallory Lois Hislar Msw, Lcsw 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 ID840687422
PECOS Enrollment IDI20220428002750
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 80631 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 $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
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.

Counselor (Mental Health)
1306 11TH AVE
GREELEY, CO 80631
Counselor (Mental Health)
1306 11TH AVE
GREELEY, CO 80631
Counselor (Mental Health)
1306 11TH AVE
GREELEY, CO 80631
Community Health Worker
1306 11TH AVE
GREELEY, CO 80631
Behavior Analyst
1306 11TH AVE
GREELEY, CO 80631
Counselor (Mental Health)
1306 11TH AVE
GREELEY, CO 80631
Counselor (Mental Health)
1306 11TH AVE
GREELEY, CO 80631
Student in an Organized Health Care Education/Training Program
1306 11TH AVE
GREELEY, CO 80631

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 Mallory Hislar's NPI number?

The NPI number for Mallory Hislar is 1306482666. It was assigned to this individual provider in the NPPES registry on November 21, 2019.

Where is Mallory Hislar located?

Mallory Hislar practices at 1306 11th Ave, Greeley, CO 80631. The listed phone number is (970) 347-2120.

What is Mallory Hislar's specialty?

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

Is Mallory Hislar enrolled in Medicare?

Yes. Mallory Hislar 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.

When was this NPI record last updated?

The NPPES record for Mallory Hislar was last updated on February 22, 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.