Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Heather Lyn Merrill, RN
Registered Nurse in Longmont, CO · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427384585
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Registry record
Entity type Individual (Type 1)
Name Heather Lyn Merrill
Credential RN
Sex Female
Practice address 2345 Bent Way, Longmont, CO, 80503
Phone (303) 338-4545
Enumeration date Oct 26, 2009
Last updated in NPPES Oct 26, 2009
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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.
Frequently asked questions
Where does Heather Merrill practice?
The practice location on file with NPPES is in Longmont, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Heather Merrill?
The National Provider Identifier (NPI) for Heather Merrill is 1427384585, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jill Murphey Family Medicine Physician · Longmont, CO NPI 1962403782 Deborah Archer Pediatrics Physician · Longmont, CO NPI 1437135613 Alison Railsback Family Medicine Physician · Longmont, CO NPI 1043281777 Suzanne Parsons Family Medicine Physician · Longmont, CO NPI 1841266293 Kaiser Foundation Health Plan of Colorado Multi-Specialty Clinic/Center · Longmont, CO NPI 1255445417 Jason Martin Physician Assistant · Longmont, CO NPI 1730265315 Kaiser Foundation Health Plan of Colorado Managed Care Organization Pharmacy · Longmont, CO NPI 1174698435 Colette Fisher Pediatrics Physician · Longmont, CO NPI 1417018649
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-26.