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MRS. KELLI DENISE WILLIAMS MSW, LCSW
NPI 1316149115
Social Worker in Clinton, OK

Active since June 04, 2007PECOS Enrolled
90 N 31ST ST, CLINTON, OK 73601(580) 323-6021(580) 323-6021 Get Directions Write a Review

NPPES record last updated: April 4, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 4, 2019, Feb 5, 2016 (2 updates tracked since 2016).

About Mrs. Kelli Denise Williams Msw, Lcsw NPPES

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

MRS. KELLI DENISE WILLIAMS MSW, LCSW (NPI 1316149115) is an individual social worker in Clinton, Oklahoma and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316149115
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMRS. KELLI DENISE WILLIAMSCredential: MSW, LCSW
Location Address90 N 31ST STClinton, OK 73601-9116
Mailing Address90 N 31st StClinton, OK 73601-9116 · (580) 323-6021
Phone(580) 323-6021
Fax(580) 323-6021
Sole ProprietorNo
Enumeration DateJune 4, 2007
Last NPPES UpdateApril 4, 20192 updates tracked since enumeration
✔ NPI 1316149115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
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.
90 N 31ST ST, Clinton, OK 73601
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Other Names 1

Former Name (1)Mrs. Kelli Denise Salazar

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Kelli Denise Williams Msw, Lcsw 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 Reassignments

2

Medicare enrollment records show Kelli Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oklahoma Mental Health Council
34 mi
Community/Behavioral Health
216 S MAIN ST
Hobart, OK 73651
  • Reassigned Medicare billing, Oklahoma enrollment
  • 201 clinicians in this Medicare group
NPI 1801219340 (580) 774-4077
Community Pathways Unlimited Inc
79 mi
Clinical
4045 NW 64TH ST, STE 520
Oklahoma City, OK 73116
  • Reassigned Medicare billing, Oklahoma enrollment
  • 99 clinicians in this Medicare group
NPI 1659328284 (405) 842-4911

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 20

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

AMBER JEFFREY LPN
Licensed Practical Nurse
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-9730
AURI ALBERT BS, CMII
Social Worker
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-9733
DANNA KENT M.E.
Social Worker (Clinical)
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-6021
HALEY C KINNEY BS
Social Worker (Clinical)
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-6021
KATERI D FLETCHER BS
Social Worker (Clinical)
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-6021
PEGGY SAWATZKY HUGHES
Counselor (Mental Health)
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-6021
TERRICA DUNCAN GRUNEWALD LMFT
Marriage & Family Therapist
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-6021
RACHEL M YARNELL
Case Manager/Care Coordinator
90 N 31ST ST
CLINTON, OK 73601
Custer County (580) 323-6021

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 Kelli Williams's NPI number?

The NPI number for Kelli Williams is 1316149115. It was assigned to this individual provider in the NPPES registry on June 4, 2007. The provider is also known as Mrs. Kelli Denise Salazar.

Where is Kelli Williams located?

Kelli Williams practices at 90 N 31st St, Clinton, OK 73601. The listed phone number is (580) 323-6021.

What is Kelli Williams's specialty?

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

Is Kelli Williams enrolled in Medicare?

Yes. Kelli Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kelli Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kelli Williams reassigns Medicare benefits to 2 organizations: Oklahoma Mental Health Council (Hobart, OK) and Community Pathways Unlimited Inc (Oklahoma City, OK). Each 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 Kelli Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kelli Williams accept?

Health plans from Blue Cross and Blue Shield of Oklahoma and Oscar Insurance Company list Kelli Williams 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 Kelli Williams was last updated on April 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.