BAO C NGUYEN MD
NPI 1134569023
Surgery in Round Rock, TX

Q: What is Bao Nguyen's NPI number?

The NPI number for Bao Nguyen is 1134569023. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Q: What is Bao Nguyen's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Bao Nguyen was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 25, 2013PECOS EnrolledAccepts Medicare Assignment

3207 GREENLAWN BLVD STE 200, ROUND ROCK, TX 78664(737) 399-2200(512) 406-6299 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 4, 2026, Mar 9, 2022, Dec 16, 2019 (3 updates tracked since 2019).

On this page

About Bao C Nguyen Md NPPES

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

BAO C NGUYEN MD (NPI 1134569023) is an individual surgery provider in Round Rock, Texas, licensed in Texas (S2435) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Northwest Hills Surgical Hospital, and is a graduate of University Of Texas Medical School At Houston (2014).

NPPES Registry Identity

NPI1134569023

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameBAO C NGUYENCredential: MD

Location Address3207 GREENLAWN BLVD STE 200Round Rock, TX 78664-2989

Mailing Address6210 E Hwy 290Austin, TX 78723-1098 · (512) 483-9596 · Fax (512) 406-6216

Phone(737) 399-2200

Fax(512) 406-6299

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2014

Enumeration DateJune 25, 2013

Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration

NPPES CertifiedAugust 4, 2026

✔ NPI 1134569023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in TX · S2435

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

3207 GREENLAWN BLVD STE 200, Round Rock, TX 78664

Open in Google Maps ↗

Accepted Insurance

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

Bao C Nguyen Md 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 ID244532539

PECOS Enrollment IDI20191105002811

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

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

Austin Regional Clinic, PA

11 mi

Family Medicine

6210 E US HWY 290, SUITE 420 - CREDENTIALING
Austin, TX 78723

Reassigned Medicare billing, Texas enrollment
461 clinicians in this Medicare group

NPI 1821157579 (512) 231-5516

Joel A Rodriguez MD PLLC

91 mi

Surgery

3103 SE MILITARY DR, SUITE 105
San Antonio, TX 78223

Reassigned Medicare billing, Texas enrollment
5 clinicians in this Medicare group

NPI 1881009025 (210) 359-0051

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

39 services39 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

24 services24 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

23 services23 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.

15 services13 patients

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.

13 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Northwest Hills Surgical Hospital

Acute Care Hospitals · Austin, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number450808

Location6818 Austin Ctr Blvd Suite 100Austin, TX 78731 · Travis County

Emergency services

Ascension Seton Northwest

Acute Care Hospitals · Austin, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450867

Location11113 Research BoulevardAustin, TX 78759 · Travis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78664 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

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 4

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

ANGEL F DE LA CRUZ MCD, FAAA

Audiologist

3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664

Williamson County (737) 399-2200

SIERRA BIXENMANN

Physician Assistant

3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664

Williamson County (737) 399-2200

JENNA KAY BALL PA-C

Physician Assistant

3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664

Williamson County (737) 339-2200

DR. PALAK PATEL M.D.

Otolaryngology

3207 GREENLAWN BLVD STE 200
ROUND ROCK, TX 78664

Williamson County (737) 399-2200

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 Bao Nguyen's NPI number?

The NPI number for Bao Nguyen is 1134569023. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Where is Bao Nguyen located?

Bao Nguyen practices at 3207 Greenlawn Blvd Ste 200, Round Rock, TX 78664. The listed phone number is (737) 399-2200.

What is Bao Nguyen's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Bao Nguyen enrolled in Medicare?

Yes. Bao Nguyen 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 Bao Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bao Nguyen reassigns Medicare benefits to 2 organizations: Austin Regional Clinic, PA (Austin, TX) and Joel A Rodriguez MD PLLC (San Antonio, 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 Bao Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bao Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Select Health, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Bao Nguyen 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 Bao Nguyen affiliated with any hospitals?

According to CMS data, Bao Nguyen is affiliated with Northwest Hills Surgical Hospital and Ascension Seton Northwest.

When was this NPI record last updated?

The NPPES record for Bao Nguyen was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.