Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nancy Rotarius, LMSW
Social Worker in Warren, MI · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881867489
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Registry record
Entity type Individual (Type 1)
Name Nancy Rotarius
Credential LMSW
Sex Female
Practice address 12220 E 13 Mile Rd, Suite 300, Warren, MI, 48093
Phone (586) 258-0206
Fax (586) 258-0201
Enumeration date Apr 4, 2008
Last updated in NPPES Apr 4, 2008
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
Where does Nancy Rotarius practice?
The practice location on file with NPPES is in Warren, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nancy Rotarius?
The National Provider Identifier (NPI) for Nancy Rotarius is 1881867489, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jacqueline Nicastri Professional Counselor · Warren, MI NPI 1780802652 Aimee Kessel Clinical Social Worker · Warren, MI NPI 1861600298 Jennifer Kozlowski Mental Health Counselor · Warren, MI NPI 1851502553 Melissa Savage Mental Health Counselor · Warren, MI NPI 1043421837 Jennifer Tabar Mental Health Counselor · Warren, MI NPI 1487865879 Jillian Schneider Mental Health Counselor · Warren, MI NPI 1235332941 Wendy Harris Mental Health Counselor · Warren, MI NPI 1598942096 Katie Juliano Social Worker · Warren, MI NPI 1710147152
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-04.