The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Compared with the same specialty in Boulder and Colorado

336 active clinicians are listed under Counselor - Professional with a practice address in Boulder, CO (7,104 in Colorado).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Boulder

1.2% of these 336 clinicians have the CMS telehealth indicator.

4.8% of these 336 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-01-23

Counselor - Professional Primary Specialty

NUCC Taxonomy Code: 101YP2500X

License # reported to NPPES CO 0013809

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Colorado Division of Professions and Occupations.

Look Up on State Board Site

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

10 Historical Events

📍

Updated Practice Location January 23, 2026

Registered at 5200 HANS PEAK, BOULDER, CO 80303 (Tel: 7203936644)

📍

Updated Business Mailing Address January 23, 2026

Registered at 5200 HANS PEAK, BOULDER, CO 803034227 (Tel: 6063685458)

📍

Updated Practice Location February 09, 2023

Registered at 2138 WILLOW BROOK CIR, ERIE, CO 805166505 (Tel: 6073685458)

👤

Provider Name / Credentials Updated February 09, 2023

Recorded as LAUREN SINCLAIR, LPC

✅

NPI Profile Active September 23, 2019

NPI status registered as active in NPPES database

📍

Practice Location (Initial Record) September 23, 2019

Registered at 170 SEMINOLE DR, BOULDER, CO 803034227 (Tel: 6063685458)

📍

Business Mailing Address (Initial Record) September 23, 2019

Registered at 170 SEMINOLE DR, BOULDER, CO 803034227 (Tel: 6063685458)

👤

Provider Name / Credentials (Initial Record) September 23, 2019

Recorded as LAUREN NORTHRUP, LPC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 23, 2019

Counselor (license number reported to NPPES: CO 0013809)

🟢

Initial NPI Registration & Enumeration September 23, 2019

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1952952764

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: September 23, 2019

Last Update: January 23, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5200 Hans Peak

Boulder, CO 803034227

Phone: 6063685458

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.