Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STELLA YUAN-HUI TSENG ZU MD
NPI 1790774909
Internal Medicine in San Antonio, TX

Active since October 19, 2005PECOS Enrolled
3851 ROGER BROOKE DR, SAN ANTONIO, TX 78234(210) 916-5456(210) 916-5156 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Stella Yuan-hui Tseng Zu Md NPPES

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

STELLA YUAN-HUI TSENG ZU MD (NPI 1790774909) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (H5139) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790774909
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSTELLA YUAN-HUI TSENG ZUCredential: MD
Location Address3851 ROGER BROOKE DRSan Antonio, TX 78234-4501
Mailing Address4718 Stagecoach TrlTemple, TX 76502-3892
Fax(210) 916-5156
Sole ProprietorNo
Enumeration DateOctober 19, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1790774909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · H5139
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3851 ROGER BROOKE DR, San Antonio, TX 78234

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Stella Yuan-hui Tseng Zu 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Psychologist
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Anesthesiology (Critical Care Medicine)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Nurse Practitioner (Acute Care)
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, MCHE-QD(CREDS)
FORT SAM HOUSTON, TX 78234
Occupational Therapy Assistant
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physical Therapist
3851 ROGER BROOKE DR, MCHE-QD (CRENDENTIALS)
FORT SAM HOUSTON, TX 78234
Anesthesiology
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Internal Medicine
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Radiology (Therapeutic Radiology)
3851 ROGER BROOKE DR, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234

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 Stella Zu's NPI number?

The NPI number for Stella Zu is 1790774909. It was assigned to this individual provider in the NPPES registry on October 19, 2005.

Where is Stella Zu located?

Stella Zu practices at 3851 Roger Brooke Dr, San Antonio, TX 78234. The listed phone number is (210) 916-5456.

What is Stella Zu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Stella Zu enrolled in Medicare?

Yes. Stella Zu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stella Zu was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.