Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Marlynn Annette Riker, LCSW
Clinical Social Worker in Cody, WY · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104070069
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Registry record
Entity type Individual (Type 1)
Name Ms. Marlynn Annette Riker
Credential LCSW
Sex Female
Practice address 2538 Big Horn Ave, Cody, WY, 82414
Phone (307) 587-2197
Fax (307) 527-6218
Enumeration date Nov 5, 2008
Last updated in NPPES Jul 27, 2016
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW #289 (WY) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW 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 Marlynn Riker practice?
The practice location on file with NPPES is in Cody, WY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marlynn Riker?
The National Provider Identifier (NPI) for Marlynn Riker is 1104070069, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kirsten Hendershot Professional Counselor · Cody, WY NPI 1659326528 Yellowstone Behavioral Health Center Mental Health Clinic/Center (Including Community Mental Health Center) · Cody, WY NPI 1962447375 Tamara Ryan Marriage & Family Therapist · Cody, WY NPI 1982842977 Tami Hartnett Counselor · Cody, WY NPI 1629217211 Judson Mckee Marriage & Family Therapist · Cody, WY NPI 1912147299 Steven Humphries-Wadsworth Marriage & Family Therapist · Cody, WY NPI 1700026903 Kelli Skarda Mental Health Counselor · Cody, WY NPI 1336389568 Lachelle Rosenbaum Clinical Social Worker · Cody, WY NPI 1215177191
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-27.