SANDRA TSAI YOO MD
NPI 1366434508
Family Medicine in Libertyville, IL

Q: What is Sandra Yoo's NPI number?

The NPI number for Sandra Yoo is 1366434508. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Q: What is Sandra Yoo's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Sandra Yoo was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since August 15, 2005PECOS Enrolled

716 S MILWAUKEE AVE, LIBERTYVILLE, IL 60048(847) 362-1393(847) 362-3797 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Sandra Tsai Yoo Md NPPES

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

SANDRA TSAI YOO MD (NPI 1366434508) is an individual family medicine provider in Libertyville, Illinois, licensed in Illinois (036100943) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366434508

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameSANDRA TSAI YOOCredential: MD

Location Address716 S MILWAUKEE AVELibertyville, IL 60048-3225

Mailing Address716 S Milwaukee AveLibertyville, IL 60048-3225 · (847) 362-1393 · Fax (847) 362-3797

Phone(847) 362-1393

Fax(847) 362-3797

Sole ProprietorNo

Enumeration DateAugust 15, 2005

Last NPPES UpdateJuly 8, 2007

✔ NPI 1366434508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036100943

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

716 S MILWAUKEE AVE, Libertyville, IL 60048

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Other Identifiers 3

Medicaid036100943IL

Medicare UPINH45680

Medicare ID-Type UnspecifiedL87468IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sandra Tsai Yoo Md 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 Sandra Yoo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lutheran General Hospital

17 mi

Cardiovascular Disease

1775 DEMPSTER ST
Park Ridge, IL 60068

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Advocate Health And Hospitals Corporation
4,870 clinicians in this Medicare group

NPI 1801809306 (847) 723-2210

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 60048 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

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 20

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

CASSANDRA LEIGH SNIDER PA-C

Physician Assistant