BRENDA RU-LAN CHAO M.D.
NPI 1255625075
Obstetrics & Gynecology in Round Rock, TX

Q: What is Brenda Chao's NPI number?

The NPI number for Brenda Chao is 1255625075. It was assigned to this individual provider in the NPPES registry on June 9, 2011.

Q: What is Brenda Chao's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Brenda Chao was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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 June 09, 2011PECOS EnrolledAccepts Medicare Assignment

2300 ROUND ROCK AVE STE 208, ROUND ROCK, TX 78681(877) 800-5722 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 11, 2025, Jun 27, 2025, Feb 24, 2021 and 1 more (4 updates tracked since 2020).

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About Brenda Ru-lan Chao M.d. NPPES

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

BRENDA RU-LAN CHAO M.D. (NPI 1255625075) is an individual obstetrics & gynecology provider in Round Rock, Texas, licensed in Texas (Q2886) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Cedar Park, and is a graduate of Tulane University School Of Medicine (2011).

NPPES Registry Identity

NPI1255625075

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameBRENDA RU-LAN CHAOCredential: M.D.

Location Address2300 ROUND ROCK AVE STE 208Round Rock, TX 78681-4026

Mailing Address2423 Williams Dr Ste 107Georgetown, TX 78628-3269 · (877) 800-5722

Phone(877) 800-5722

Sole ProprietorYes

Medical School CMSTulane University School Of MedicineGraduated 2011

Enumeration DateJune 9, 2011

Last NPPES UpdateAugust 11, 20254 updates tracked since enumeration

NPPES CertifiedAugust 11, 2025

✔ NPI 1255625075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in TX · Q2886

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

2300 ROUND ROCK AVE STE 208, Round Rock, TX 78681

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Secondary Practice Location 1

Location 11401 Medical Pkwy Ste 311Cedar Park, TX 78613-5014 · Phone (877) 800-5721

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc. and more.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

Brenda Ru-lan Chao M.d. 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 ID3072743087

PECOS Enrollment IDI20150701000454

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 Brenda Chao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seton Family Of Doctors

7.5 mi

Family Medicine

3001 PALM WAY, D1 : 134-138
Austin, TX 78758

Reassigned Medicare billing, Texas enrollment
1,188 clinicians in this Medicare group

NPI 1225644065 (512) 324-5938

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 78681 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

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

Other Providers at the Same Location NPPES 3

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

DR. MICHAEL A BUTLER MD

Obstetrics & Gynecology

2300 ROUND ROCK AVE STE 208
ROUND ROCK, TX 78681

Williamson County (877) 800-5722

LONE STAR CIRCLE OF CARE

Clinic/Center (Federally Qualified Health Center (FQHC))

2300 ROUND ROCK AVE STE 208
ROUND ROCK, TX 78681

Williamson County (877) 800-5722

KRYSTEL BABARAN

Obstetrics & Gynecology

2300 ROUND ROCK AVE STE 208
ROUND ROCK, TX 78681

Williamson County (877) 800-5722

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 Brenda Chao's NPI number?

The NPI number for Brenda Chao is 1255625075. It was assigned to this individual provider in the NPPES registry on June 9, 2011.

Where is Brenda Chao located?

Brenda Chao practices at 2300 Round Rock Ave Ste 208, Round Rock, TX 78681. The listed phone number is (877) 800-5722.

What is Brenda Chao's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Brenda Chao enrolled in Medicare?

Yes. Brenda Chao 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 Brenda Chao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brenda Chao reassigns Medicare benefits to Seton Family Of Doctors (Austin, TX). 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 Brenda Chao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brenda Chao accept?

Health plans from Blue Cross and Blue Shield of Texas, Harbor Health, Moda Health Plan, Inc., Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Brenda Chao 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 Brenda Chao was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.