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WILLIAM TANANBAUM LMSW
NPI 1720414642
Social Worker in East Lansing, MI

Active since September 24, 2013PECOS Enrolled
271 WOODLAND PASS STE 216, EAST LANSING, MI 48823(517) 347-6944 Get Directions Write a Review

NPPES record last updated: May 18, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Tananbaum Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM TANANBAUM LMSW (NPI 1720414642) is an individual social worker in East Lansing, Michigan, licensed in Michigan (6801105263) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720414642
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameWILLIAM TANANBAUMCredential: LMSW
Location Address271 WOODLAND PASS STE 216East Lansing, MI 48823-2060
Mailing Address4690 Ottawa DrOkemos, MI 48864-2031
Phone(517) 347-6944
Sole ProprietorNo
Enumeration DateSeptember 24, 2013
Last NPPES UpdateMay 18, 2021
NPPES CertifiedMay 18, 2021
✔ NPI 1720414642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MI · 6801105263
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
271 WOODLAND PASS STE 216, East Lansing, MI 48823
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Tananbaum Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William Tananbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wst Counseling LLC
Same address
Social Worker
271 WOODLAND PASS STE 216
East Lansing, MI 48823
  • Reassigned Medicare billing, Michigan enrollment
NPI 1457905192 (517) 347-6944

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RISE UP SOCIAL & EMOTIONAL WELLNESS LLC
Social Worker (Clinical)
271 WOODLAND PASS STE 216
EAST LANSING, MI 48823
Ingham County (517) 290-7177
TMCM4 LLC
Social Worker
271 WOODLAND PASS STE 216
EAST LANSING, MI 48823
Ingham County (517) 347-6944
SUSAN J FRANK PHD
Psychologist
271 WOODLAND PASS STE 216
EAST LANSING, MI 48823
Ingham County (517) 347-6944
WST COUNSELING LLC
Social Worker
271 WOODLAND PASS STE 216
EAST LANSING, MI 48823
Ingham County (517) 347-6944
MICHELE OLLIE POORMAN PHD
Psychologist
271 WOODLAND PASS STE 216
EAST LANSING, MI 48823
Ingham County (517) 281-5513

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Tananbaum's NPI number?

The NPI number for William Tananbaum is 1720414642. It was assigned to this individual provider in the NPPES registry on September 24, 2013.

Where is William Tananbaum located?

William Tananbaum practices at 271 Woodland Pass Ste 216, East Lansing, MI 48823. The listed phone number is (517) 347-6944.

What is William Tananbaum's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is William Tananbaum enrolled in Medicare?

Yes. William Tananbaum is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Tananbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Tananbaum reassigns Medicare benefits to Wst Counseling LLC (East Lansing, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Tananbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Tananbaum accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list William Tananbaum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Tananbaum was last updated on May 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.