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DAVID SULLIVAN LCSW, LAC
NPI 1952550402
Social Worker - Clinical in Boulder, CO

Active since September 09, 2008
2955 VALMONT RD STE 110, BOULDER, CO 80301(720) 492-7254 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 9, 2025, Jan 28, 2021, Dec 3, 2019 (3 updates tracked since 2019).

About David Sullivan Lcsw, Lac NPPES

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

DAVID SULLIVAN LCSW, LAC (NPI 1952550402) is an individual clinical provider in Boulder, Colorado, licensed in Colorado (9924117) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1952550402
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameDAVID SULLIVANCredential: LCSW, LAC
Location Address2955 VALMONT RD STE 110Boulder, CO 80301-1360
Mailing Address2955 Valmont Rd Ste 110Boulder, CO 80301-1360 · (720) 492-7254
Phone(720) 492-7254
Sole ProprietorYes
Enumeration DateSeptember 9, 2008
Last NPPES UpdateApril 9, 20253 updates tracked since enumeration
NPPES CertifiedApril 9, 2025
✔ NPI 1952550402 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 · 9924117
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 · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 770 (CO)
2955 VALMONT RD STE 110, Boulder, CO 80301
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Other Identifiers 1

Medicaid50770080CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH KLAERS
Social Worker (Clinical)
2955 VALMONT RD STE 110
BOULDER, CO 80301
Boulder County (720) 446-6706
DAVID SULLIVAN THERAPY LLC
Community/Behavioral Health
2955 VALMONT RD STE 110
BOULDER, CO 80301
Boulder County (720) 492-7254
VERONICA ALDANA LEMBERGER MA, LPC
Counselor (Professional)
2955 VALMONT RD STE 110
BOULDER, CO 80301
Boulder County (303) 513-1926

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 David Sullivan's NPI number?

The NPI number for David Sullivan is 1952550402. It was assigned to this individual provider in the NPPES registry on September 9, 2008.

Where is David Sullivan located?

David Sullivan practices at 2955 Valmont Rd Ste 110, Boulder, CO 80301. The listed phone number is (720) 492-7254.

What is David Sullivan's specialty?

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

What insurance does David Sullivan accept?

Health plans from Oscar Insurance Company list David Sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Sullivan was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.