Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gregory Madden, D.C.
Chiropractor in Eagle River, AK · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518388636
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Registry record
Entity type Individual (Type 1)
Name Dr. Gregory Madden
Credential D.C.
Sex Male
Practice address 11462 Business Blvd, Eagle River, AK, 99577
Phone (907) 694-9224
Fax (907) 694-1066
Enumeration date Dec 16, 2013
Last updated in NPPES Dec 16, 2013
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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
What is the NPI number for Gregory Madden?
The National Provider Identifier (NPI) for Gregory Madden is 1518388636, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Madden practice?
The practice location on file with NPPES is in Eagle River, AK. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Myron Schweigert Chiropractor · Eagle River, AK NPI 1780774117 Eagle River Primary Care Medical Physician Assistant · Eagle River, AK NPI 1235319450 Chugach Chiropractic Clinic LLC Chiropractor · Eagle River, AK NPI 1033390927 Lisa Thomas Specialist · Eagle River, AK NPI 1629509468 Shelly Waltrip Massage Therapist · Eagle River, AK NPI 1447781711 Janet Huff Mental Health Counselor · Eagle River, AK NPI 1275165763 Nicholas Lynch Massage Therapist · Eagle River, AK NPI 1477219624
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-16.