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ARIEL WILLIAMS
NPI 1205520574
Nurse Practitioner - Psychiatric/Mental Health in Mesa, AZ

Active since June 08, 2023PECOS EnrolledAccepts Medicare Assignment
1855 W BASELINE RD STE 101, MESA, AZ 85202(662) 645-7128 Get Directions Write a Review

NPPES record last updated: February 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2024, Nov 21, 2023, Jun 8, 2023 (3 updates tracked since 2023).

About Ariel Williams NPPES

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

ARIEL WILLIAMS (NPI 1205520574) is an individual psychiatric/mental health provider in Mesa, Arizona, licensed in Arizona (298202) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1205520574
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameARIEL WILLIAMS
Location Address1855 W BASELINE RD STE 101Mesa, AZ 85202-9098
Mailing Address3180 E 40th StYuma, AZ 85365-7772
Phone(662) 645-7128
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 8, 2023
Last NPPES UpdateFebruary 6, 20243 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2024
✔ NPI 1205520574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in AZ · 298202
1855 W BASELINE RD STE 101, Mesa, AZ 85202
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc.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

Ariel Williams 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 ID2365886959
PECOS Enrollment IDI20240222002132, I20240802003588
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 Ariel Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Bridges, Inc.
2.8 mi
Community/Behavioral Health
358 E JAVELINA AVE STE 103
Mesa, AZ 85210
  • Reassigned Medicare billing, Arizona enrollment
  • 131 clinicians in this Medicare group
NPI 1588348775 (480) 507-3180
Alliance Healthcare Services
1,256 mi
Community/Behavioral Health
2150 WHITNEY AVE
Memphis, TN 38127
  • Reassigned Medicare billing, Tennessee enrollment
  • 86 clinicians in this Medicare group
NPI 1295898393 (901) 353-5440

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

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

MR. ADNAN CELJO M.D.
Psychiatry & Neurology (Psychiatry)
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 831-7566
KATHIANA MARIE JOSEPH
Registered Nurse (Psychiatric/Mental Health)
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (888) 224-2087
FRANCIS KANGERE KAHIGA
Nurse Practitioner (Psychiatric/Mental Health)
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 831-7566
DR. ANNETTE LUSKO D.O
Family Medicine
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 507-3188
EMILY KOCH RN
Registered Nurse
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 831-7566
IMMA NZOMO PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 831-7566
IAN DOUGLAS BOND MD
Anesthesiology (Addiction Medicine)
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 831-7566
COMMUNITY BRIDGES INC.
Community/Behavioral Health
1855 W BASELINE RD STE 101
MESA, AZ 85202
Maricopa County (480) 831-7566

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 Ariel Williams's NPI number?

The NPI number for Ariel Williams is 1205520574. It was assigned to this individual provider in the NPPES registry on June 8, 2023.

Where is Ariel Williams located?

Ariel Williams practices at 1855 W Baseline Rd Ste 101, Mesa, AZ 85202. The listed phone number is (662) 645-7128.

What is Ariel Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ariel Williams enrolled in Medicare?

Yes. Ariel 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 Ariel Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Williams reassigns Medicare benefits to 2 organizations: Community Bridges, Inc. (Mesa, AZ) and Alliance Healthcare Services (Memphis, TN). 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 Ariel Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ariel Williams accept?

Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Ariel 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 Ariel Williams was last updated on February 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.