DR. MIKE S NGUYEN MD
NPI 1699006304
Radiology - Diagnostic Radiology in Austin, TX

Active since January 20, 2010PECOS EnrolledAccepts Medicare Assignment
92.71/100
CMS Quality Rating
12554 RIATA VISTA CIR, AUSTIN, TX 78727(512) 795-5100(512) 795-5122 Get Directions Write a Review

NPPES record last updated: April 21, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mike S Nguyen Md NPPES

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

DR. MIKE S NGUYEN MD (NPI 1699006304) is an individual diagnostic radiology provider in Austin, Texas, licensed in Texas (Q2475) and active in the NPI registry since January 2010. He is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2009).

NPPES Registry Identity

NPI1699006304
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MIKE S NGUYENCredential: MD
Location Address12554 RIATA VISTA CIRAustin, TX 78727-6431
Mailing Address12554 Riata Vista CirAustin, TX 78727-6431 · (512) 795-5100 · Fax (512) 795-5122
Fax(512) 795-5122
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2009
Enumeration DateJanuary 20, 2010
Last NPPES UpdateApril 21, 2017
✔ NPI 1699006304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in TX · Q2475
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
12554 RIATA VISTA CIR, Austin, TX 78727

Accepted 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

Dr. Mike S 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 ID1658683826
PECOS Enrollment IDI20150630002094
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 Mike Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology
12554 RIATA VISTA CIR
Austin, TX 78727
  • Reassigned Medicare billing, Texas enrollment
  • 187 clinicians in this Medicare group
Diagnostic Radiology
9250 PINECROFT DR
Shenandoah, TX 77380
  • Reassigned Medicare billing, Texas enrollment
  • 1,278 clinicians in this Medicare group

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 88

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.

Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
10,164 services129 patients
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
8,900 services107 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
2,485 services2,314 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
1,886 services1,886 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
1,884 services1,884 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
381 services372 patients

Hospital Affiliations CMS Care Compare 5

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

Ascension Seton Medical Center Austin

Acute Care Hospitals · Austin, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450056
Location1201 W 38th StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450272
Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County
Emergency services Birthing friendly

St David's Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450431
Location919 E 32nd StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

St David's South Austin Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number450713
Location901 West Ben White BlvdAustin, TX 78704 · Travis County
Emergency services Birthing friendly

Cedar Park Regional Medical Center

Acute Care Hospitals · Cedar Park, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number670043
Location1401 Medical ParkwayCedar Park, TX 78613 · Williamson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78727 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.42
Improvement Activities40

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.

Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Clinic/Center (Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Physician Assistant
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Radiology (Vascular & Interventional Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727

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 Mike Nguyen's NPI number?

The NPI number for Mike Nguyen is 1699006304. It was assigned to this individual provider in the NPPES registry on January 20, 2010.

Where is Mike Nguyen located?

Mike Nguyen practices at 12554 Riata Vista Cir, Austin, TX 78727. The listed phone number is (512) 795-5100.

What is Mike Nguyen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mike Nguyen enrolled in Medicare?

Yes. Mike 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 Mike Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mike Nguyen reassigns Medicare benefits to 2 organizations: Austin Radiological Association (Austin, TX) and Singleton Associates PA (Shenandoah, 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 Mike Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mike Nguyen accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Mike 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 Mike Nguyen affiliated with any hospitals?

According to CMS data, Mike Nguyen is affiliated with Ascension Seton Medical Center Austin, Christus Santa Rosa Hospital-San Marcos, St David's Medical Center, St David's South Austin Medical Center and Cedar Park Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mike Nguyen was last updated on April 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.