DR. NANCY E.M. RIVAS PHD
NPI 1609954924
Psychologist - Clinical in Naperville, IL

Q: What is Nancy Rivas's NPI number?

The NPI number for Nancy Rivas is 1609954924. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Q: What is Nancy Rivas's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Nancy Rivas was last updated on November 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.

Active since November 02, 2006PECOS EnrolledAccepts Medicare Assignment

1805 N MILL ST STE L, NAPERVILLE, IL 60563(331) 229-3123(331) 226-0780 Get Directions Write a Review

NPPES record last updated: November 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 22, 2024, Jul 18, 2024 (2 updates tracked since 2024).

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About Dr. Nancy E.m. Rivas Phd NPPES

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

DR. NANCY E.M. RIVAS PHD (NPI 1609954924) is an individual clinical provider in Naperville, Illinois, licensed in Illinois (071-006321) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1609954924

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. NANCY E.M. RIVASCredential: PHD

Location Address1805 N MILL ST STE LNaperville, IL 60563-4860

Mailing Address1805 N Mill St Ste LNaperville, IL 60563-4860 · (331) 229-3123 · Fax (331) 226-0780

Phone(331) 229-3123

Fax(331) 226-0780

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateNovember 2, 2006

Last NPPES UpdateNovember 22, 20242 updates tracked since enumeration

NPPES CertifiedNovember 22, 2024

✔ NPI 1609954924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in IL · 071-006321

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

1805 N MILL ST STE L, Naperville, IL 60563

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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

Dr. Nancy E.m. Rivas Phd 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 ID5698847655

PECOS Enrollment IDI20260216000590

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 Reassignment

Medicare enrollment records show Nancy Rivas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr Nancy M Rivas PC Flourishing Lives Counseling Center

Same address

Clinical

1805 N MILL ST STE L
Naperville, IL 60563

Reassigned Medicare billing, Illinois enrollment
9 clinicians in this Medicare group

NPI 1831521145 (630) 881-6604

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 60563 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

$181.38 typical visit price

range $59.81 – $181.38

Typical copayment $45.34 (range $14.95 – $45.34)

Most-billed visit code 99205

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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 2

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

DR. M KATHLEEN HAYDEN PSYD

Psychologist (Clinical)

1805 N MILL ST STE L
NAPERVILLE, IL 60563

Dupage County (331) 229-3123

DR NANCY M RIVAS PC FLOURISHING LIVES COUNSELING CENTER

Psychologist (Clinical)

1805 N MILL ST STE L
NAPERVILLE, IL 60563

Dupage County (630) 881-6604

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 Rivas's NPI number?

The NPI number for Nancy Rivas is 1609954924. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Where is Nancy Rivas located?

Nancy Rivas practices at 1805 N Mill St Ste L, Naperville, IL 60563. The listed phone number is (331) 229-3123.

What is Nancy Rivas's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Nancy Rivas enrolled in Medicare?

Yes. Nancy Rivas 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 organization bills Medicare for Nancy Rivas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Rivas reassigns Medicare benefits to Dr Nancy M Rivas PC Flourishing Lives Counseling Center (Naperville, IL). The 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 Rivas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nancy Rivas was last updated on November 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.