VIVIAN RYU LCSW
NPI 1700397411
Social Worker - Clinical in Sierra Vista, AZ

Active since October 20, 2017PECOS EnrolledAccepts Medicare Assignment
2300 E FRY BLVD, #3822, SIERRA VISTA, AZ 85635(520) 559-4976 Get Directions Write a Review

NPPES record last updated: March 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 20, 2020, Oct 20, 2017 (2 updates tracked since 2017).

About Vivian Ryu Lcsw NPPES

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

VIVIAN RYU LCSW (NPI 1700397411) is an individual clinical provider in Sierra Vista, Arizona, licensed in Arizona (LCSW-16880) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1700397411
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameVIVIAN RYUCredential: LCSW
Location Address2300 E FRY BLVD, #3822Sierra Vista, AZ 85635
Mailing AddressPo Box 3822Sierra Vista, AZ 85636-3822 · (520) 559-4976
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateOctober 20, 2017
Last NPPES UpdateMarch 20, 20202 updates tracked since enumeration
NPPES CertifiedMarch 20, 2020
✔ NPI 1700397411 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in AZ · LCSW-16880
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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

Vivian Ryu Lcsw 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 ID9436418324
PECOS Enrollment IDI20180123001319
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 Vivian Ryu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
2300 E FRY BLVD
Sierra Vista, AZ 85635
  • Reassigned Medicare billing, Arizona enrollment

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 85635 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
$0.00 typical visit price
range $55.44 – $168.60
Typical copayment $0.00 (range $13.86 – $42.15)
Most-billed visit code NA
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Vivian Ryu's NPI number?

The NPI number for Vivian Ryu is 1700397411. It was assigned to this individual provider in the NPPES registry on October 20, 2017.

Where is Vivian Ryu located?

Vivian Ryu practices at 2300 E Fry Blvd, #3822, Sierra Vista, AZ 85635. The listed phone number is (520) 559-4976.

What is Vivian Ryu's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Vivian Ryu enrolled in Medicare?

Yes. Vivian Ryu 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 Vivian Ryu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Ryu reassigns Medicare benefits to Vivian Ryu Lcsw PLLC (Sierra Vista, AZ). 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 Vivian Ryu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vivian Ryu accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and UnitedHealthcare list Vivian Ryu 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 Vivian Ryu was last updated on March 20, 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.