Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Michelle L Grammer
Counselor in Alton, IL · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821836834
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Registry record
Entity type Individual (Type 1)
Name Mrs. Michelle L Grammer
Sex Female
Practice address 108 Northport Dr, Alton, IL, 62002
Phone (618) 466-0295
Enumeration date Jul 16, 2024
Last updated in NPPES Jun 30, 2026
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 Michelle Grammer?
The National Provider Identifier (NPI) for Michelle Grammer is 1821836834, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michelle Grammer practice?
The practice location on file with NPPES is in Alton, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Lisa Cagle Periodontics · Alton, IL NPI 1427046788 Patricia Horn Professional Counselor · Alton, IL NPI 1174698211 Lori Behrens Clinical Social Worker · Alton, IL NPI 1760522965 Dennis Billman Counselor · Alton, IL NPI 1639370653 E J Aragona MD Ltd Family Medicine Physician · Alton, IL NPI 1184898298 Brianna Fritsch Phillips Clinical Social Worker · Alton, IL NPI 1457624108 Patricia Breshears Professional Counselor · Alton, IL NPI 1215330766 Calmwaters Counseling & Resource Center Inc Professional Counselor · Alton, IL NPI 1134505829
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-30.