Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Crystal Marie Allen
Peer Specialist in Nowata, OK · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801542840
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Registry record
Entity type Individual (Type 1)
Name Mrs. Crystal Marie Allen
Sex Female
Practice address 325 S Ash St, Nowata, OK, 74048
Phone (918) 273-7344
Enumeration date Feb 28, 2022
Last updated in NPPES Feb 28, 2022
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 Crystal Allen?
The National Provider Identifier (NPI) for Crystal Allen is 1801542840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Crystal Allen practice?
The practice location on file with NPPES is in Nowata, OK. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Stephanie Redding Marriage & Family Therapist · Nowata, OK NPI 1124230206 Grand Lake Mental Health Center Inc. Mental Health Clinic/Center (Including Community Mental Health Center) · Nowata, OK NPI 1477851756 Porchia Silas Registered Nurse · Nowata, OK NPI 1164858478 Sheri Lewis Clinical Social Worker · Nowata, OK NPI 1700321155 Carrie Deschenes Social Worker · Nowata, OK NPI 1700308939 Rachel Reid Case Manager/Care Coordinator · Nowata, OK NPI 1497318117 Alexxis Brown Case Manager/Care Coordinator · Nowata, OK NPI 1356909428 Chrystal Garrison Case Manager/Care Coordinator · Nowata, OK NPI 1790336667
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-28.