Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

CARLY SINN
NPI 1003734583
Counselor - Mental Health in Boulder, CO

Active since July 09, 2026
3434 47TH ST STE 130, BOULDER, CO 80301(303) 225-2708 Get Directions Write a Review

NPPES record added: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Carly Sinn NPPES

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

CARLY SINN (NPI 1003734583) is an individual mental health provider in Boulder, Colorado and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1003734583
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameCARLY SINN
Location Address3434 47TH ST STE 130Boulder, CO 80301-1802
Mailing Address325 Maggie StLongmont, CO 80501-9737
Sole ProprietorYes
Enumeration DateJuly 9, 2026
NPPES CertifiedJuly 10, 2026
NPI 1003734583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
3434 47TH ST STE 130, Boulder, CO 80301

Other Providers at the Same Location NPPES 9

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

Counselor (Mental Health)
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor (Mental Health)
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor (Mental Health)
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor (Mental Health)
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor (Professional)
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor (Mental Health)
3434 47TH ST STE 130
BOULDER, CO 80301
Counselor (Mental Health)
3434 47TH ST STE 130
BOULDER, CO 80301

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 Carly Sinn's NPI number?

The NPI number for Carly Sinn is 1003734583. It was assigned to this individual provider in the NPPES registry on July 9, 2026.

Where is Carly Sinn located?

Carly Sinn practices at 3434 47th St Ste 130, Boulder, CO 80301. The listed phone number is (303) 225-2708.

What is Carly Sinn's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Carly Sinn was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.