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WINONA TZOU MSN, APRN, FNP-C
NPI 1841802527
Nurse Practitioner - Family in Richardson, TX

Active since August 23, 2020PECOS EnrolledAccepts Medicare Assignment
465 WEST PRESIDENT GEORGE BUSH HIGHWAY, SUITE 240, RICHARDSON, TX 75080(469) 677-0267(469) 677-0247 Get Directions Write a Review

NPPES record last updated: November 19, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 19, 2020, Nov 15, 2020, Aug 23, 2020 (3 updates tracked since 2020).

About Winona Tzou Msn, Aprn, Fnp-c NPPES

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

WINONA TZOU MSN, APRN, FNP-C (NPI 1841802527) is an individual family provider in Richardson, Texas, licensed in Texas (1007390) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and maintains a secondary practice location in Plano.

NPPES Registry Identity

NPI1841802527
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameWINONA TZOUCredential: MSN, APRN, FNP-C
Location Address465 WEST PRESIDENT GEORGE BUSH HIGHWAY, SUITE 240Richardson, TX 75080
Mailing Address5425 W Spring Creek Pkwy Ste 210Plano, TX 75024-4241 · (972) 608-3333 · Fax (972) 473-7333
Phone(469) 677-0267
Fax(469) 677-0247
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 23, 2020
Last NPPES UpdateNovember 19, 20203 updates tracked since enumeration
NPPES CertifiedNovember 19, 2020
✔ NPI 1841802527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1007390
465 WEST PRESIDENT GEORGE BUSH HIGHWAY, Richardson, TX 75080
Open in Google Maps ↗

Secondary Practice Location 1

Location 15425 W Spring Creek Pkwy Ste 210Plano, TX 75024-4241 · Phone (972) 608-3333 · Fax (972) 473-7333

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Blue Cross and Blue Shield of Texas.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

Winona Tzou Msn, Aprn, Fnp-c 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 ID4880082957
PECOS Enrollment IDI20211021001704
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

2

Medicare enrollment records show Winona Tzou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lisa Medwedeff M.D. PA
6.5 mi
Specialist
5425 W SPRING CREEK PKWY, STE 210
Plano, TX 75024
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Lisa Medwedeff MD PA
  • 6 clinicians in this Medicare group
NPI 1982843769 (972) 608-3333
Texas Medical Group, PA
8.6 mi
Internal Medicine
8210 WALNUT HILL LN, SUITE 230
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 11 clinicians in this Medicare group
NPI 1548489222 (972) 284-7000

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 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
70 services63 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
65 services58 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
19 services16 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
15 services15 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baylor University Medical Center

Acute Care Hospitals · Dallas, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450021
Location3500 Gaston AveDallas, TX 75246 · Dallas County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Dallas

Acute Care Hospitals · Dallas, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450462
Location8200 Walnut Hill LaneDallas, TX 75231 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75080 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

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 Winona Tzou's NPI number?

The NPI number for Winona Tzou is 1841802527. It was assigned to this individual provider in the NPPES registry on August 23, 2020.

Where is Winona Tzou located?

Winona Tzou practices at 465 West President George Bush Highway Suite 240, Richardson, TX 75080. The listed phone number is (469) 677-0267.

What is Winona Tzou's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Winona Tzou enrolled in Medicare?

Yes. Winona Tzou 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 Winona Tzou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Winona Tzou reassigns Medicare benefits to 2 organizations: Lisa Medwedeff M.D. PA (Plano, TX) and Texas Medical Group, PA (Dallas, TX). 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 Winona Tzou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Winona Tzou accept?

Health plans from Antidote Health of TX and Blue Cross and Blue Shield of Texas list Winona Tzou 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.

Is Winona Tzou affiliated with any hospitals?

According to CMS data, Winona Tzou is affiliated with Baylor University Medical Center and Texas Health Presbyterian Hospital Dallas.

When was this NPI record last updated?

The NPPES record for Winona Tzou was last updated on November 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.