Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Emily Nelsen
Pharmacist in Boulder, CO · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538044060
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Registry record
Entity type Individual (Type 1)
Name Emily Nelsen
Sex Female
Practice address 4747 Arapahoe Ave, Boulder, CO, 80303
Phone (303) 415-7000
Enumeration date Aug 5, 2025
Last updated in NPPES Aug 5, 2025
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Emily Nelsen?
The National Provider Identifier (NPI) for Emily Nelsen is 1538044060, a Type 1 (individual) record in the CMS NPPES registry.
Where does Emily Nelsen practice?
The practice location on file with NPPES is in Boulder, CO. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Boulder Community Health General Acute Care Hospital · Boulder, CO NPI 1821074196 Michael Thompson Emergency Medicine Physician · Boulder, CO NPI 1316924178 Cynthia Ashby Neonatal Nurse Practitioner · Boulder, CO NPI 1639157472 Matthew Loran Emergency Medicine Physician · Boulder, CO NPI 1376521641 Carol Wallman Neonatal Nurse Practitioner · Boulder, CO NPI 1548248008 Stefanie Krenz Internal Medicine Physician · Boulder, CO NPI 1982676250 Michael Schlegel Emergency Medicine Physician · Boulder, CO NPI 1740252220 Linda Klein Neonatal Nurse Practitioner · Boulder, CO NPI 1255303780
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-05.