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NANCY EUEGINA WILLIAMS APRN
NPI 1245255637
Nurse Practitioner - Psychiatric/Mental Health in Tempe, AZ

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment
2075 S COTTONWOOD DR, TEMPE, AZ 85282(480) 718-0568(480) 307-6676 Get Directions Write a Review

NPPES record last updated: June 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nancy Euegina Williams Aprn NPPES

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

NANCY EUEGINA WILLIAMS APRN (NPI 1245255637) is an individual psychiatric/mental health provider in Tempe, Arizona, licensed in Arizona (AP1252) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Elizabethtown, and is a graduate of University Of Arizona College Of Medicine (2000).

NPPES Registry Identity

NPI1245255637
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameNANCY EUEGINA WILLIAMSCredential: APRN
Location Address2075 S COTTONWOOD DRTempe, AZ 85282-3040
Mailing Address2075 S Cottonwood DrTempe, AZ 85282-3040 · (480) 718-0568 · Fax (480) 307-6676
Phone(480) 718-0568
Fax(480) 307-6676
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2000
Enumeration DateJuly 13, 2006
Last NPPES UpdateJune 10, 2020
NPPES CertifiedJune 10, 2020
✔ NPI 1245255637 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
Licenses✔ Licensed in AZ · AP1252✔ Licensed in KY · APRN3006237✔ Licensed in AZ · RN059716
2075 S COTTONWOOD DR, Tempe, AZ 85282
Open in Google Maps ↗

Other Names 1

Former Name (1)Nanette Holloway

Secondary Practice Location 1

Location 11239 Woodland Dr, Suite 110Elizabethtown, KY 42701-2770 · Phone (270) 900-0094 · Fax (270) 900-0430

Other Identifiers 1

Medicaid555336AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, 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

Nancy Euegina Williams Aprn 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 ID8628081932
PECOS Enrollment IDI20260414000686
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

4

Medicare enrollment records show Nancy Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

East Valley Psychiatry LLC
16 mi
Psychiatry
1301 S CRISMON RD
Mesa, AZ 85209
  • Reassigned Medicare billing, Arizona enrollment
  • 19 clinicians in this Medicare group
NPI 1992240857 (623) 308-2472
Sonora Behavioral Health Hospital, LLC
91 mi
Psychiatric Hospital
6050 N CORONA RD, #3
Tucson, AZ 85704
  • Reassigned Medicare billing, Arizona enrollment
  • 33 clinicians in this Medicare group
NPI 1750466892 (520) 469-8700
Sierra Vista Regional Health Center Medical Group LLC
160 mi
Family Medicine
5750 E HIGHWAY 90, SUITE 200
Sierra Vista, AZ 85635
  • Reassigned Medicare billing, Arizona enrollment
  • 128 clinicians in this Medicare group
NPI 1043575483 (520) 263-3979
The Southeast Permanente Medical Group
1,582 mi
Internal Medicine
3495 PIEDMONT ROAD NE, NINE PIEDMONT CENTER
Atlanta, GA 30305
  • Reassigned Medicare billing, Georgia enrollment
  • 1,389 clinicians in this Medicare group
NPI 1245266956 (404) 364-3821

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
46 services13 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
20 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85282 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 14

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

LINDA S MACCONNELL PA-C
Physician Assistant
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 718-0568
ASHLEY MEGHAN WANZER PA-C
Physician Assistant
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 718-0568
ROXANNA DONAN FNP-C
Nurse Practitioner (Family)
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 718-0568
DR. FERAS ALDAOUD
Internal Medicine
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 718-0568
MS. MARTHA LAMARRE PA-C
Physician Assistant
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 718-0568
MS. LEAH CAROL THOMPSON CCC-SLP
Speech-Language Pathologist
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 222-4100
VICKI LYNN STEVENSON LMSW
Social Worker
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (480) 718-0568
NEXT GEN MEDICUS
Psychologist
2075 S COTTONWOOD DR
TEMPE, AZ 85282
Maricopa County (602) 362-1823

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 Nancy Williams's NPI number?

The NPI number for Nancy Williams is 1245255637. It was assigned to this individual provider in the NPPES registry on July 13, 2006. The provider is also known as Nanette Holloway.

Where is Nancy Williams located?

Nancy Williams practices at 2075 S Cottonwood Dr, Tempe, AZ 85282. The listed phone number is (480) 718-0568.

What is Nancy Williams's specialty?

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

Is Nancy Williams enrolled in Medicare?

Yes. Nancy 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 Nancy Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Williams reassigns Medicare benefits to 4 organizations: East Valley Psychiatry LLC (Mesa, AZ), Sonora Behavioral Health Hospital, LLC (Tucson, AZ), Sierra Vista Regional Health Center Medical Group LLC (Sierra Vista, AZ) and The Southeast Permanente Medical Group (Atlanta, GA). 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 Nancy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Williams accept?

Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list Nancy 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 Nancy Williams was last updated on June 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.