Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Tananbaum, LMSW
Social Worker in East Lansing, MI · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720414642
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name William Tananbaum
Credential LMSW
Sex Male
Practice address 271 Woodland Pass Ste 216, East Lansing, MI, 48823
Phone (517) 347-6944
Enumeration date Sep 24, 2013
Last updated in NPPES May 18, 2021
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 6801105263 (MI) Primary
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 William Tananbaum?
The National Provider Identifier (NPI) for William Tananbaum is 1720414642, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Tananbaum practice?
The practice location on file with NPPES is in East Lansing, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michele Poorman Psychologist · East Lansing, MI NPI 1932112695 Susan Frank Psychologist · East Lansing, MI NPI 1245343243 Tmcm4 LLC Social Worker · East Lansing, MI NPI 1184171498 Wst Counseling LLC Social Worker · East Lansing, MI NPI 1457905192 Rise Up Social & Emotional Wellness LLC Clinical Social Worker · East Lansing, MI NPI 1164210050 Andrea Mcguire LLC Clinical Social Worker · East Lansing, MI NPI 1568252617
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-18.