Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Erin Gwen Harper-Sanchez, CNM, NP, RN

Family Nurse Practitioner in Boulder, CO · enumerated 2007.

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

National Provider Identifier

1629293436

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Registry record

Entity type Individual (Type 1)

Name Ms. Erin Gwen Harper-Sanchez

Credential CNM, NP, RN

Sex Female

Practice address 4745 Arapahoe Ave Ste 200, Boulder, CO, 80303

Phone (303) 938-4710

Fax (303) 541-0807

Enumeration date Apr 16, 2007

Last updated in NPPES Mar 10, 2025

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN.0992730-NP (CO) Primary

176B00000X Midwife Other Service Providers · License 4334 (CO) Secondary

CNM · Certified Nurse Midwife: An advanced practice nurse specializing in pregnancy, childbirth, and reproductive care. About the CNM 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

How do I verify Erin Harper-Sanchez's NPI record?

Cross-check NPI 1629293436 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1629293436 active?

Yes, as of the latest NPPES snapshot, NPI 1629293436 is active (record last updated 2025-03-10).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-10.