Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Zachary Albert Leifson, LCSW

Clinical Social Worker in South Ogden, UT · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1245557792

Verified

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Registry record

Entity type Individual (Type 1)

Name Zachary Albert Leifson

Credential LCSW

Sex Male

Practice address South Ogden, UT, 84403

Phone (801) 582-1565

Enumeration date Apr 23, 2010

Last updated in NPPES Dec 8, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6856471-3501 (UT) Primary

261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center) Ambulatory Health Care Facilities Secondary

261QR0405X Substance Use Disorder Rehabilitation Clinic/Center Ambulatory Health Care Facilities Secondary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
1245557792	Medicaid	UT	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Zachary Leifson?

The National Provider Identifier (NPI) for Zachary Leifson is 1245557792, a Type 1 (individual) record in the CMS NPPES registry.

Where does Zachary Leifson practice?

The practice location on file with NPPES is in South Ogden, UT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Mathew Schweppe Pediatric Dentistry · South Ogden, UT NPI 1215964234 J. Gilbert General Practice Dentistry · Ogden, UT NPI 1124031596 Mark Cowley General Practice Dentistry · South Ogden, UT NPI 1821117474 Comfort Family Dental of South Ogden, LLC General Practice Dentistry · South Ogden, UT NPI 1235323932 Thomas C. Johnston D.D.S., P.C. Prosthetic/Orthotic Supplier · South Ogden, UT NPI 1538532569

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-08.