TRINH NGUYEN
NPI 1568816858
Radiology - Diagnostic Radiology in Riverside, CA

Q: What is Trinh Nguyen's NPI number?

The NPI number for Trinh Nguyen is 1568816858. It was assigned to this individual provider in the NPPES registry on April 22, 2016.

Q: What is Trinh Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Trinh Nguyen was last updated on May 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 22, 2016PECOS EnrolledAccepts Medicare Assignment

4445 MAGNOLIA AVE. RIVERSIDE COMMUNITY HOSPITAL,, GME OFFICE, RIVERSIDE, CA 92501(951) 788-3000 Get Directions Write a Review

NPPES record last updated: May 24, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Trinh Nguyen NPPES

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

TRINH NGUYEN (NPI 1568816858) is an individual diagnostic radiology provider in Riverside, California, licensed in Montana (104398) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1568816858

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameTRINH NGUYEN

Location Address4445 MAGNOLIA AVE. RIVERSIDE COMMUNITY HOSPITAL,, GME OFFICERiverside, CA 92501

Mailing Address4445 Magnolia Ave. Riverside Community Hospital,, Gme OfficeRiverside, CA 92501

Phone(951) 788-3000

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 22, 2016

Last NPPES UpdateMay 24, 2022

NPPES CertifiedMay 24, 2022

✔ NPI 1568816858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MT · 104398

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4445 MAGNOLIA AVE. RIVERSIDE COMMUNITY HOSPITAL,, Riverside, CA 92501

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Wyoming 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

Trinh Nguyen 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 ID1557654605

PECOS Enrollment IDI20220901000874, I20220907000393

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 Trinh Nguyen reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Billings Cinic

809 mi

Family Medicine

236 YELLOWSTONE AVE
West Yellowstone, MT 59758

Reassigned Medicare billing, Montana and Wyoming enrollments
Medicare enrollment name: Billings Clinic
Also billed through NPI 1346288347 (Wyoming)
1,264 clinicians in this Medicare group

NPI 1710600119 (406) 238-2500

Livingston Healthcare

841 mi

Rehabilitation

806 SCOTT ST
Gardiner, MT 59030

Reassigned Medicare billing, Montana enrollment
96 clinicians in this Medicare group

NPI 1225670375 (406) 222-3541

Powell Valley Healthcare Inc

874 mi

Family Medicine

777 AVENUE H
Powell, WY 82435

Reassigned Medicare billing, Wyoming enrollment
Also billed through NPI 1497753115 (Wyoming)
61 clinicians in this Medicare group

NPI 1699721316 (307) 754-7257

South Big Horn County Hospital District

877 mi

Critical Access

388 SOUTH US HWY 20
Basin, WY 82410

Reassigned Medicare billing, Wyoming enrollment
41 clinicians in this Medicare group

NPI 1013919794 (307) 568-3311

Memorial Hospital Association

886 mi

Primary Care

2525 NORTH BROADWAY
Red Lodge, MT 59068

Reassigned Medicare billing, Montana enrollment
Also billed through NPI 1336119338 (Montana)
85 clinicians in this Medicare group

NPI 1184785099 (406) 446-2345

North Big Horn Hospital District

889 mi

Critical Access

1115 LANE 12
Lovell, WY 82431

Reassigned Medicare billing, Wyoming enrollment
Also billed through NPI 1750485793 (Wyoming)
50 clinicians in this Medicare group

NPI 1952379547 (307) 548-5200

Townsend Health Systems Inc,

906 mi

Family Medicine

110 N OAK ST
Townsend, MT 59644

Reassigned Medicare billing, Montana enrollment
Also billed through NPI 1447245857 (Montana)
65 clinicians in this Medicare group

NPI 1205175700 (406) 266-3186

Pioneer Medical Center

907 mi

Clinic/Center

301 W 7TH AVE
Big Timber, MT 59011

Reassigned Medicare billing, Montana enrollment
Also billed through NPI 1003939190 (Montana)
28 clinicians in this Medicare group

NPI 1134242977 (406) 932-4199

Stillwater Hospital Association, Inc.

913 mi

Critical Access

710 N 11TH STREET
Columbus, MT 59019

Reassigned Medicare billing, Montana enrollment
86 clinicians in this Medicare group

NPI 1053488387 (406) 322-1000

Wheatland Memorial Healthcare

948 mi

Critical Access

25 US HWY 191 NORTH
Harlowton, MT 59036

Reassigned Medicare billing, Montana enrollment
24 clinicians in this Medicare group

NPI 1073687406 (406) 632-4351

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 40

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.

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

436 services396 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

329 services270 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.

258 services202 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

240 services224 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

118 services114 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

118 services106 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

115 services110 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

114 services111 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

103 services102 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

76 services76 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

63 services63 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

58 services58 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

52 services50 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

51 services50 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

50 services43 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

49 services49 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

44 services44 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

41 services38 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

38 services33 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

37 services35 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

37 services37 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

36 services34 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

32 services31 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

31 services24 patients

Ultrasound of abdomen and pelvis artery and vein blood flow 93976

An ultrasound of your abdomen and pelvis arteries and veins is a non-invasive procedure that uses sound waves to create images of your blood vessels. This helps in assessing the flow of blood, identifying blockages, or detecting other abnormalities. It's a safe, painless process.

29 services27 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

28 services28 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

25 services24 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

24 services22 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

22 services22 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

21 services21 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

20 services19 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

20 services20 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

18 services15 patients

Limited ultrasound scan of pelvis 76857

A limited ultrasound scan of the pelvis is a non-invasive imaging test. It uses high-frequency sound waves to create pictures of the lower abdomen area. This helps doctors view and assess the health of certain internal structures. It's painless and usually takes about 30 minutes.

16 services16 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

15 services14 patients

Ultrasound scan of scrotum 76870

An ultrasound scan of the scrotum is a non-invasive imaging test. It uses sound waves to create pictures of the structures within the lower abdominal area. This helps to assess any discomfort or abnormalities you might be experiencing. The procedure is safe and painless.

14 services14 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

13 services13 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

13 services12 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

13 services13 patients

Ultrasound of hemodialysis access 93990

An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.

13 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Billings Clinic

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270004

Location2800 10th Ave NBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

Beartooth Billings Clinic

Critical Access Hospitals · Red Lodge, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271326

Location2525 N BroadwayRed Lodge, MT 59068 · Carbon County

Trinity Hospital

Critical Access Hospitals · Wolf Point, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271341

Location315 Knapp StWolf Point, MT 59201 · Roosevelt County

Emergency services

Washakie Medical Center

Critical Access Hospitals · Worland, WY

OwnershipGovernment - Local

CMS Certification Number531306

Location400 South 15th StreetWorland, WY 82401 · Washakie County

Emergency services

Cody Regional Health

Critical Access Hospitals · Cody, WY

OwnershipGovernment - Hospital District or Authority

CMS Certification Number531312

Location707 Sheridan AvenueCody, WY 82414 · Park County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

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.

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 Trinh Nguyen's NPI number?

The NPI number for Trinh Nguyen is 1568816858. It was assigned to this individual provider in the NPPES registry on April 22, 2016.

Where is Trinh Nguyen located?

Trinh Nguyen practices at 4445 Magnolia Ave. Riverside Community Hospital, Gme Office, Riverside, CA 92501. The listed phone number is (951) 788-3000.

What is Trinh Nguyen's specialty?

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

Is Trinh Nguyen enrolled in Medicare?

Yes. Trinh 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 Trinh Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trinh Nguyen reassigns Medicare benefits to 12 organizations: Billings Cinic (West Yellowstone, MT), Livingston Healthcare (Gardiner, MT), Powell Valley Healthcare Inc (Powell, WY), South Big Horn County Hospital District (Basin, WY), Memorial Hospital Association (Red Lodge, MT) and 7 more organizations, listed in the Medicare section above. 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 Trinh Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Trinh Nguyen accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas and Mountain Health CO-OP list Trinh 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 Trinh Nguyen affiliated with any hospitals?

According to CMS data, Trinh Nguyen is affiliated with Billings Clinic, Beartooth Billings Clinic, Trinity Hospital, Washakie Medical Center and Cody Regional Health.

When was this NPI record last updated?

The NPPES record for Trinh Nguyen was last updated on May 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.