Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isaac Garfinkle, LCSW

Clinical Social Worker in Windsor, CO · enumerated 2022 · practices at Arielle Garfinkle Dmd Pllc.

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

National Provider Identifier

1285354068

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Registry record

Entity type Individual (Type 1)

Name Isaac Garfinkle

Credential LCSW

Sex Male

Practice address 455 E Main St Unit C, Windsor, CO, 80550

Phone (970) 460-6030

Enumeration date Aug 31, 2022

Last updated in NPPES Feb 23, 2026

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License CSW.09930942 (CO) Primary

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

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 specialty is Isaac Garfinkle?

Isaac Garfinkle is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Arielle Garfinkle Dmd Pllc Dental Clinic/Center · Windsor, CO NPI 1912714841

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-23.