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TIMOTHY MICHAEL KILLIAN LMSW
NPI 1497334379
Social Worker in Grand Blanc, MI

Active since April 06, 2021PECOS Enrolled
10801 S SAGINAW ST STE 5, GRAND BLANC, MI 48439(810) 771-4074 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 1, 2026, Apr 8, 2026, Mar 4, 2026 and 1 more (4 updates tracked since 2021).

About Timothy Michael Killian Lmsw NPPES

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

TIMOTHY MICHAEL KILLIAN LMSW (NPI 1497334379) is an individual social worker in Grand Blanc, Michigan, licensed in Michigan (6802091095) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1497334379
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameTIMOTHY MICHAEL KILLIANCredential: LMSW
Location Address10801 S SAGINAW ST STE 5Grand Blanc, MI 48439-8126
Mailing Address10801 S Saginaw St Ste DGrand Blanc, MI 48439-8126 · (810) 771-4074
Phone(810) 771-4074
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateApril 6, 2021
Last NPPES UpdateSeptember 1, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1497334379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MI · 6802091095
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.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 6851118251 (MI)
10801 S SAGINAW ST STE 5, Grand Blanc, MI 48439
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy Michael Killian Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820556855
PECOS Enrollment IDI20260819003265
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 Timothy Killian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Creekside Counseling Group LLC
0.2 mi
Clinical
10683 S SAGINAW ST STE B
Grand Blanc, MI 48439
  • Reassigned Medicare billing, Michigan enrollment
  • 51 clinicians in this Medicare group
NPI 1619550860 (810) 771-4074

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

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 Timothy Killian's NPI number?

The NPI number for Timothy Killian is 1497334379. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Timothy Killian located?

Timothy Killian practices at 10801 S Saginaw St Ste 5, Grand Blanc, MI 48439. The listed phone number is (810) 771-4074.

What is Timothy Killian's specialty?

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

Is Timothy Killian enrolled in Medicare?

Yes. Timothy Killian is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Timothy Killian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Killian reassigns Medicare benefits to Creekside Counseling Group LLC (Grand Blanc, 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 Timothy Killian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Killian accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Timothy Killian 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 Timothy Killian was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.