Doctor profile · Federal record

Dr. Mallory Hislar, MSW, LCSW

Clinical Social Worker · Mental Health Counselor · Greeley, CO

  • NPI 1306482666
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1306 11Th Ave
Greeley, CO 806313835
(970) 347-2120
Mailing address
1300 N 17Th Ave
Greeley, CO 806319584

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
February 22, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Colorado #CSW.09927998

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306482666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$1,492
HCPCS Description Services Patients Avg allowed
90791 Psychiatric diagnostic evaluation 12 12 $124

In context: peer comparison

Among 2 peers in Greeley Clinical Social Worker, average services per provider: 24. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mallory Hislar's medical specialty?
Dr. Mallory Hislar practices Clinical Social Worker in Greeley, CO.
Where does Dr. Mallory Hislar practice?
Dr. Mallory Hislar practices at 1306 11Th Ave, Greeley, CO 806313835. Office phone: 9703472120.
What is Dr. Mallory Hislar's NPI?
Dr. Mallory Hislar's National Provider Identifier (NPI) is 1306482666, issued by NPPES.
Does Dr. Mallory Hislar accept Medicare assignment?
Yes. Dr. Mallory Hislar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mallory Hislar commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.