DR. CHARLES C. TRINH M.D.
NPI 1811988892
Radiology - Diagnostic Radiology in Houston, TX

Q: What is Charles Trinh's NPI number?

The NPI number for Charles Trinh is 1811988892. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Q: What is Charles Trinh'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 Charles Trinh was last updated on June 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 October 31, 2005PECOS EnrolledAccepts Medicare Assignment

83.13/100

CMS Quality Rating

BAYLOR COLLEGE OF MEDICINE, ONE BAYLOR PLAZA MS-360, HOUSTON, TX 77030(713) 798-4417(713) 798-8050 Get Directions Write a Review

NPPES record last updated: June 27, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Charles C. Trinh M.d. NPPES

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

DR. CHARLES C. TRINH M.D. (NPI 1811988892) is an individual diagnostic radiology provider in Houston, Texas, licensed in Texas (J8806) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with St Luke's The Woodlands Hospital, and is a graduate of University Of West Tennessee College Of Medicine And Surgery (1994).

NPPES Registry Identity

NPI1811988892

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. CHARLES C. TRINHCredential: M.D.

Location AddressBAYLOR COLLEGE OF MEDICINE, ONE BAYLOR PLAZA MS-360Houston, TX 77030

Mailing AddressBaylor College Of Medicine, One Baylor Plaza Ms-360Houston, TX 77030 · (713) 798-4417 · Fax (713) 798-8050

Phone(713) 798-4417

Fax(713) 798-8050

Sole ProprietorNo

Medical School CMSUniversity Of West Tennessee College Of Medicine And SurgeryGraduated 1994

Enumeration DateOctober 31, 2005

Last NPPES UpdateJune 27, 2013

✔ NPI 1811988892 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 · J8806

Definition

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

BAYLOR COLLEGE OF MEDICINE, Houston, TX 77030

Open in Google Maps ↗

Other Identifiers 6

Medicare UPINH10452

Medicare PIN85105RTX

Medicaid104521304TX

Medicare PIN8F0631TX

Medicare PIN86303RTX

Medicaid104521302TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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

Dr. Charles C. Trinh 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 ID5597794222

PECOS Enrollment IDI20050811001022

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

Singleton Associates PA

32 mi

Diagnostic Radiology

9250 PINECROFT DR
Shenandoah, TX 77380

Reassigned Medicare billing, Texas enrollment
1,278 clinicians in this Medicare group

NPI 1487811766 (936) 266-2000

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 33

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.

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.

423 services391 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.

179 services176 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.

111 services111 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.

107 services107 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.

98 services93 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.

53 services53 patients

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.

51 services51 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.

42 services42 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.

38 services36 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.

35 services35 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.

35 services35 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

35 services35 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.

33 services33 patients

Drainage of fluid from abdominal cavity using imaging guidance 49083

This procedure involves removing excess fluid from your abdominal cavity, which can relieve discomfort. A specialist uses imaging technology to guide a thin needle into the right spot. The fluid is then drained out safely.

30 services16 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.

27 services27 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.

21 services19 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.

20 services20 patients

X-ray of chest, 2 views 71046

19 services19 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.

19 services19 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.

19 services19 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.

17 services17 patients

Ct scan of abdominal aorta and both leg arteries with contrast 75635

A CT scan of the abdominal aorta and both leg arteries with contrast is a medical imaging procedure. A special dye is injected to make your blood vessels visible on the scan. This helps to check for any blockages or abnormalities in these areas.

17 services17 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

17 services17 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.

17 services17 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.

16 services16 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.

15 services15 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

15 services15 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

14 services14 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.

13 services12 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

13 services13 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.

12 services11 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

11 services11 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

St Luke's The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450862

Location17200 St Luke's WayThe Woodlands, TX 77384 · Montgomery County

Emergency services Birthing friendly

St Luke's Patients Medical Center

Acute Care Hospitals · Pasadena, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670031

Location4600 East Sam Houston Parkway SouthPasadena, TX 77505 · Harris County

Emergency services

St Luke's Sugar Land Hospital

Acute Care Hospitals · Sugar Land, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number670053

Location1317 Lake Pointe ParkwaySugar Land, TX 77478 · Fort Bend County

Emergency services Birthing friendly

Chi St Lukes Lakeside Hospital

Acute Care Hospitals · The Woodlands, TX

OwnershipVoluntary non-profit - Other

CMS Certification Number670059

Location17400 St Lukes WayThe Woodlands, TX 77384 · Montgomery County

Emergency services

St Luke's Hospital At The Vintage

Acute Care Hospitals · Houston, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670075

Location20171 Chasewood Park DriveHouston, TX 77070 · Harris County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

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.

83.13/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.16

Improvement Activities

Reported Quality Measures

Prevention of Central Venous Catheter (CVC) - Related Bloodstream Infections

Percentage of patients, regardless of age, who undergo central venous catheter (CVC) insertion for whom CVC was inserted with all elements of maximal sterile barrier technique, hand hygiene, skin preparation and, if ultrasound is used, sterile ultrasound…

100%95 patients

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%133 patients

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

100%25 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

100%26 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 2

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

ROBERTO ALEJANDRO CEDIEL PAGAN MD

Student in an Organized Health Care Education/Training Program

BAYLOR COLLEGE OF MEDICINE, ONE BAYLOR PLAZA
HOUSTON, TX 77030

Harris County (713) 798-4951

GINA KAYAL MD

Student in an Organized Health Care Education/Training Program

BAYLOR COLLEGE OF MEDICINE, 7200 CAMBRIDGE STREET, 9A
HOUSTON, TX 77030

Harris County (713) 798-6628

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 Charles Trinh's NPI number?

The NPI number for Charles Trinh is 1811988892. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Charles Trinh located?

Charles Trinh practices at Baylor College Of Medicine One Baylor Plaza Ms-360, Houston, TX 77030. The listed phone number is (713) 798-4417.

What is Charles Trinh's specialty?

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

Is Charles Trinh enrolled in Medicare?

Yes. Charles Trinh 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 Charles Trinh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Trinh reassigns Medicare benefits to Singleton Associates PA (Shenandoah, 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 Charles Trinh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Trinh 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 3 other insurers list Charles Trinh 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 Charles Trinh affiliated with any hospitals?

According to CMS data, Charles Trinh is affiliated with St Luke's The Woodlands Hospital, St Luke's Patients Medical Center, St Luke's Sugar Land Hospital, Chi St Lukes Lakeside Hospital and St Luke's Hospital At The Vintage.

When was this NPI record last updated?

The NPPES record for Charles Trinh was last updated on June 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.