Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mackenzie Lynn Carlson, ARNP
Nurse Practitioner in Humboldt, IA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558953059
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Registry record
Entity type Individual (Type 1)
Name Mackenzie Lynn Carlson
Credential ARNP
Sex Female
Practice address 1000 15th St N, Humboldt, IA, 50548
Phone (515) 332-4200
Enumeration date Feb 5, 2021
Last updated in NPPES May 1, 2025
Taxonomy & licenses
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 2020169468 (IA) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License A162658 (IA) Primary
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Mackenzie Carlson?
Mackenzie Carlson is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Humboldt County Memorial Hospital Critical Access Hospital · Humboldt, IA NPI 1194702977 Humboldt County Hospital Institutional Pharmacy · Humboldt, IA NPI 1760432637 Humboldt County Memorial Hospital Nursing Facility/Intermediate Care Facility · Humboldt, IA NPI 1912089848 Humboldt County Memorial Hospital Ambulance · Humboldt, IA NPI 1821170754 Humboldt County Memorial Hospital Emergency Medicine Physician · Humboldt, IA NPI 1043395247 Humboldt County Memorial Hospital Medicare Defined Swing Bed Hospital Unit · Humboldt, IA NPI 1235214420 North Central Iowa Mental Health Center, Inc Mental Health Clinic/Center (Including Community Mental Health Center) · Humboldt, IA NPI 1619014008 North Central Iowa Mental Health Center, Inc Mental Health Clinic/Center (Including Community Mental Health Center) · Humboldt, IA NPI 1619253051
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-01.