Jennifer Sleek, MA
Jennifer Sleek is a Professional Counselor provider (Counselor) practicing in Boulder, CO, registered in the NPPES registry with NPI 1124318621 since 2011. Practices at La Luna Center, LLC (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1124318621 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Jennifer Sleek |
| Credential | MA |
| Sex | Female |
| Practice address | Boulder, CO, 80301 |
| Phone | 7206412737 |
| Fax | 3032007098 |
| Enumeration date | 2011-04-18 |
| Last updated in NPPES | 2011-04-18 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 101YP2500X | Professional Counselor | Primary | — | — |
Copy-ready billing details
Provider: Jennifer Sleek, MA NPI: 1124318621 Taxonomy: 101YP2500X (Professional Counselor) Address: Boulder, CO, 80301
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1679690689 | Malia Sperry | Individual | Mental Health Counselor | Boulder, CO |
| 1215054218 | La Luna Center, LLC | Organization | Group Psychotherapy Psychologist | Boulder, CO |
| 1881892495 | Carolyn Aibel | Individual | Psychologist | Boulder, CO |
| 1861665804 | Marla Guzzo | Individual | Mental Health Counselor | Boulder, CO |
| 1174813661 | Michelle Fields | Individual | Professional Counselor | Boulder, CO |
| 1043599921 | Amy Winkelman | Individual | Professional Counselor | Boulder, CO |
| 1659653210 | Sarah Hewes | Individual | Clinical Social Worker | Boulder, CO |
| 1760742209 | Stephanie Pollock | Individual | Professional Counselor | Boulder, CO |
Verify this record
Cross-check NPI 1124318621 against the authoritative CMS record: view Jennifer Sleek on the official NPPES registry .
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 or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-04-18.