What is Lonnie Williams's NPI number?

Lonnie Williams's National Provider Identifier (NPI) is 1699414227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lonnie Williams's specialty?

Lonnie Williams is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Lonnie Williams located?

Lonnie Williams's practice location on file with NPPES is 1040 W Bristol Rd, Flint, MI 48507-5516.

What is Lonnie Williams's phone number?

The practice phone number listed in the NPPES registry for Lonnie Williams is (810) 257-3705.

Is Lonnie Williams's NPI active?

Yes — Lonnie Williams's NPI (1699414227) is active in the NPPES registry as of the last update on 2025-10-23.

IndividualActive

Lonnie Williams

NPI 1699414227 · Case Manager/Care Coordinator · Flint, MI

Lonnie Williams is a Case Manager/Care Coordinator provider in Flint, MI (NPI 1699414227).

Provider details

NPI number: 1699414227
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
4 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1040 W Bristol Rd

Flint, MI 48507-5516

Phone: (810) 257-3705

Street-level locationGet directions

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Mailing address