CARY LEA WILLIAMS LISW
NPI 1851609366
Counselor - Mental Health in Ames, IA

Active since September 17, 2010PECOS EnrolledAccepts Medicare Assignment
1619 S HIGH AVE, AMES, IA 50010(515) 232-5811(515) 232-3780 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 16, 2026, Aug 1, 2019 (2 updates tracked since 2019).

About Cary Lea Williams Lisw NPPES

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

CARY LEA WILLIAMS LISW (NPI 1851609366) is an individual mental health provider in Ames, Iowa, licensed in Iowa (06414) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1851609366
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameCARY LEA WILLIAMSCredential: LISW
Location Address1619 S HIGH AVEAmes, IA 50010-8055
Mailing Address1619 S High AveAmes, IA 50010-8055 · (641) 442-5110
Fax(515) 232-3780
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateSeptember 17, 2010
Last NPPES UpdateJanuary 16, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1851609366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IA · 06414
1619 S HIGH AVE, Ames, IA 50010

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cary Lea Williams Lisw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173768827
PECOS Enrollment IDI20130328000353
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 Cary Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health
1619 SOUTH HIGH AVENUE
Ames, IA 50010
  • Reassigned Medicare billing, Iowa enrollment
  • 12 clinicians in this Medicare group
Substance Abuse Rehabilitation Facility
211 AVENUE M
Fort Dodge, IA 50501
  • Reassigned Medicare billing, Iowa enrollment
  • 6 clinicians in this Medicare group

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 17

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

Counselor (Addiction (Substance Use Disorder))
1619 S HIGH AVE
AMES, IA 50010
Social Worker (Clinical)
1619 S HIGH AVE
AMES, IA 50010
Counselor (Addiction (Substance Use Disorder))
1619 S HIGH AVE
AMES, IA 50010
Counselor (Addiction (Substance Use Disorder))
1619 S HIGH AVE
AMES, IA 50010
Counselor (Addiction (Substance Use Disorder))
1619 S HIGH AVE
AMES, IA 50010
Counselor (Mental Health)
1619 S HIGH AVE, AMES
AMES, IA 50010
Psychiatry & Neurology (Psychiatry)
1619 S HIGH AVE
AMES, IA 50010
Counselor
1619 S HIGH AVE
AMES, IA 50010

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 Cary Williams's NPI number?

The NPI number for Cary Williams is 1851609366. It was assigned to this individual provider in the NPPES registry on September 17, 2010.

Where is Cary Williams located?

Cary Williams practices at 1619 S High Ave, Ames, IA 50010. The listed phone number is (515) 232-5811.

What is Cary Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Cary Williams enrolled in Medicare?

Yes. Cary Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Cary Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cary Williams reassigns Medicare benefits to 2 organizations: The Richmond Center (Ames, IA) and Community And Family Resources (Fort Dodge, IA). 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 Cary Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cary Williams accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 2 other insurers list Cary 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 Cary Williams was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.