QUYNH - NHU NGUYEN MD
NPI 1841407780
Radiology - Radiation Oncology in Houston, TX

Q: What is Quynh - Nhu Nguyen's NPI number?

The NPI number for Quynh - Nhu Nguyen is 1841407780. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Q: What is Quynh - Nhu Nguyen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since May 17, 2007PECOS EnrolledAccepts Medicare Assignment

81.38/100

CMS Quality Rating

1515 HOLCOMBE BLVD, HOUSTON, TX 77030(713) 792-6161 Get Directions Write a Review

NPPES record last updated: April 15, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Quynh - Nhu Nguyen Md NPPES

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

QUYNH - NHU NGUYEN MD (NPI 1841407780) is an individual radiation oncology provider in Houston, Texas, licensed in Texas (N0319) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2001).

NPPES Registry Identity

NPI1841407780

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameQUYNH - NHU NGUYENCredential: MD

Location Address1515 HOLCOMBE BLVDHouston, TX 77030-4000

Mailing AddressPo Box 4439Houston, TX 77210-4439 · (713) 792-2991

Phone(713) 792-6161

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 2001

Enumeration DateMay 17, 2007

Last NPPES UpdateApril 15, 2021

NPPES CertifiedApril 15, 2021

✔ NPI 1841407780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in TX · N0319✔ Licensed in CA · A1178384

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1515 HOLCOMBE BLVD, Houston, TX 77030

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Other Identifiers 2

Other197418004TX · Cshcn Medicaid

Medicaid197418003TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Harbor Health.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

Quynh - Nhu 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 ID7719047034

PECOS Enrollment IDI20081117000561

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 Quynh - Nhu Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physicians Referral Service

Same address

Multi-Specialty

1515 HOLCOMBE BLVD
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,675 clinicians in this Medicare group

NPI 1073574810 (713) 792-6161

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 22

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.

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

419 services45 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

361 services23 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

244 services53 patients

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

234 services53 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

132 services42 patients

Radiation treatment management, 5 treatment sessions 77427

89 services21 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

72 services39 patients

Ct guidance for insertion of radiation therapy fields 77014

67 services17 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.

66 services52 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

57 services51 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

56 services51 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

55 services51 patients

Calculation of radiation therapy dose 77300

47 services15 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

36 services32 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

31 services28 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.

23 services23 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.

22 services22 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

22 services18 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

21 services20 patients

Complex radiation therapy planning 77263

17 services17 patients

Special radiation treatment 77470

14 services14 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

13 services13 patients

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

$176.98 typical visit price

range $58.24 – $176.98

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

Most-billed visit code 99205

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.

81.38/100

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

Scored as part of a group practice

Quality

81.25

Promoting Interoperability

100

Improvement Activities

Cost

49.97

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.

DR. MERRY CHEN MD

Psychiatry & Neurology (Neurology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

AMEENA BAGREE MALHOTRA M.D.

Internal Medicine (Nephrology)

1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030

Harris County (713) 792-6161

SOLANGE ERLYN COX MD

Surgery

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-2360

DR. BRYAN KEITH GUILLORY M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

JANUARY Y TSAI MD

Anesthesiology

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

DR. SUNYOUNG LEE MD

Internal Medicine (Medical Oncology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

MRS. RACHEL KRAMER FUTRELL PA-C

Physician Assistant

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

MEGAN J TANNER NP-C

Nurse Practitioner

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

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 Quynh - Nhu Nguyen's NPI number?

The NPI number for Quynh - Nhu Nguyen is 1841407780. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is Quynh - Nhu Nguyen located?

Quynh - Nhu Nguyen practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.

What is Quynh - Nhu Nguyen's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Quynh - Nhu Nguyen enrolled in Medicare?

Yes. Quynh - Nhu 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 organization bills Medicare for Quynh - Nhu Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Quynh - Nhu Nguyen reassigns Medicare benefits to Physicians Referral Service (Houston, 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 Quynh - Nhu Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Quynh - Nhu Nguyen accept?

Health plans from Antidote Health of TX and Harbor Health list Quynh - Nhu 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.

When was this NPI record last updated?

The NPPES record for Quynh - Nhu Nguyen was last updated on April 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.