DR. KATYA VISWANADHAN PSY.D
NPI 1760028377
Psychologist - Clinical Child & Adolescent in Evanston, IL

Active since November 19, 2019PECOS Enrolled
1854 SHERMAN AVE, EVANSTON, IL 60201(847) 565-6400 Get Directions Write a Review

NPPES record last updated: September 20, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 20, 2022, Jul 21, 2022, Nov 19, 2019 (3 updates tracked since 2019).

About Dr. Katya Viswanadhan Psy.d NPPES

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

DR. KATYA VISWANADHAN PSY.D (NPI 1760028377) is an individual clinical child & adolescent provider in Evanston, Illinois, licensed in New York (024755) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1760028377
Entity TypeIndividualFemale
Primary Taxonomy103TC2200X
Provider Legal NameDR. KATYA VISWANADHANCredential: PSY.D
Location Address1854 SHERMAN AVEEvanston, IL 60201-3795
Mailing AddressPo Box 5213Evanston, IL 60204-5213 · (847) 565-6400
Sole ProprietorNo
Enumeration DateNovember 19, 2019
Last NPPES UpdateSeptember 20, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2022
✔ NPI 1760028377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
License✔ Licensed in NY · 024755
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
Also ListedPsychologistTaxonomy 103T00000X
1854 SHERMAN AVE, Evanston, IL 60201

Secondary Practice Location 1

Location 11 Park AveNew York, NY 10016-5802 · Phone (646) 754-5000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katya Viswanadhan Psy.d 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 Reassignment

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

Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 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 11

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

Counselor (Professional)
1854 SHERMAN AVE
EVANSTON, IL 60201
Social Worker
1854 SHERMAN AVE
EVANSTON, IL 60201
Student in an Organized Health Care Education/Training Program
1854 SHERMAN AVE
EVANSTON, IL 60201
Social Worker
1854 SHERMAN AVE
EVANSTON, IL 60201
Counselor (Professional)
1854 SHERMAN AVE
EVANSTON, IL 60201
Social Worker
1854 SHERMAN AVE
EVANSTON, IL 60201
Social Worker (Clinical)
1854 SHERMAN AVE
EVANSTON, IL 60201
Social Worker
1854 SHERMAN AVE
EVANSTON, IL 60201

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 Katya Viswanadhan's NPI number?

The NPI number for Katya Viswanadhan is 1760028377. It was assigned to this individual provider in the NPPES registry on November 19, 2019.

Where is Katya Viswanadhan located?

Katya Viswanadhan practices at 1854 Sherman Ave, Evanston, IL 60201. The listed phone number is (847) 565-6400.

What is Katya Viswanadhan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Katya Viswanadhan enrolled in Medicare?

Yes. Katya Viswanadhan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katya Viswanadhan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katya Viswanadhan reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Katya Viswanadhan'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 Katya Viswanadhan was last updated on September 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.