DR. TAN BA NGUYEN M.D.
NPI 1053668608
Radiology - Diagnostic Radiology in Anaheim, CA

Active since August 13, 2012PECOS EnrolledAccepts Medicare Assignment
85/100
CMS Quality Rating
5528 E LA PALMA AVE STE 4A, ANAHEIM, CA 92807(714) 970-0200 Get Directions Write a Review

NPPES record last updated: September 3, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 3, 2019, Jun 27, 2017 (2 updates tracked since 2017).

About Dr. Tan Ba Nguyen M.d. NPPES

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

DR. TAN BA NGUYEN M.D. (NPI 1053668608) is an individual diagnostic radiology provider in Anaheim, California, licensed in California (A130215) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2012).

NPPES Registry Identity

NPI1053668608
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. TAN BA NGUYENCredential: M.D.
Location Address5528 E LA PALMA AVE STE 4AAnaheim, CA 92807-2115
Mailing Address5528 E La Palma Ave Ste 4aAnaheim, CA 92807-2115 · (714) 970-0200
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2012
Enumeration DateAugust 13, 2012
Last NPPES UpdateSeptember 3, 20192 updates tracked since enumeration
✔ NPI 1053668608 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 CA · A130215
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
5528 E LA PALMA AVE STE 4A, Anaheim, CA 92807

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. Tan Ba Nguyen 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 ID7810204799
PECOS Enrollment IDI20170721001538
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

5

Medicare enrollment records show Tan Nguyen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
5528 E LA PALMA AVE STE 4A
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 95 clinicians in this Medicare group
Radiology
27401 LOS ALTOS STE 150
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
Radiology
1129 S SAN GABRIEL BLVD
San Gabriel, CA 91776
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
Diagnostic Radiology
312 N GARFIELD AVE
Monterey Park, CA 91754
  • Reassigned Medicare billing, California enrollment
  • 12 clinicians in this Medicare group
Diagnostic Radiology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 360 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 97

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.

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.
9,331 services126 patients
Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
7,490 services58 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.
728 services728 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.
723 services723 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.
662 services661 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.
570 services514 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92807 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70
Improvement Activities40

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
100%389 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

Radiology (Diagnostic Radiology)
5528 E LA PALMA AVE STE 4A
ANAHEIM, CA 92807

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 Tan Nguyen's NPI number?

The NPI number for Tan Nguyen is 1053668608. It was assigned to this individual provider in the NPPES registry on August 13, 2012.

Where is Tan Nguyen located?

Tan Nguyen practices at 5528 E La Palma Ave Ste 4A, Anaheim, CA 92807. The listed phone number is (714) 970-0200.

What is Tan Nguyen's specialty?

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

Is Tan Nguyen enrolled in Medicare?

Yes. Tan 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 Tan Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tan Nguyen reassigns Medicare benefits to 5 organizations: Fullerton Radiology Medical Group, Inc (Anaheim, CA), Crown Valley Radiologists Inc A Professional Medical Corp (Mission Viejo, CA), David C P Chen, M.D., Inc (San Gabriel, CA), United Premier Physicians Inc (Monterey Park, CA) and Regents Of The University Of California (San Diego, CA). 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 Tan Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tan Nguyen was last updated on September 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.