Quynh - Nhu Nguyen, MD
Radiation Oncology Physician · Houston, TX
Quynh - Nhu Nguyen, MD is a radiation oncology physician with a practice address in Houston, Texas, and NPI 1841407780, issued on May 17, 2007. Check the license (Texas N0319, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Quynh - Nhu Nguyen
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- N0319 TX
A1178384 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- May 17, 2007
- Record last updated
- Apr 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 197418003 TX
- Medicare enrollment
- Enrolled (PECOS I20081117000561); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Aaroe, MDNeurology Physician1902295793
- Linda Abad, PA-CPhysician Assistant1063928240
- Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
- Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
- James Abbruzzese, M.D.Medical Oncology Physician1134233224
- Karim Abdeldaem, MDEmergency Medicine Physician1558056200
Verify Quynh - Nhu Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N0319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average radiation oncology physician in 2024
22 Medicare Part D claims for 20 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Physicians Referral ServiceConroe, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Quynh - Nhu Nguyen among 449 radiation oncology physician records in Texas
Quynh - Nhu Nguyen, MD is one of 449 radiation oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2001 · median 2004 among the 348 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Texas
There are 449 radiation oncology physician records in Texas.
All 449 in Texas → Every provider in Houston → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Neelofur Ahmad, M.D.Houston, TX 770301154320976
- Edward Butler, M.D.Houston, TX 770301679565972
- Aileen Chen, MDHouston, TX 770301801876560
- Seungtaek Choi, M.D.Houston, TX 770301205860590
- Gregory Chronowski, M.D.Houston, TX 770301598789570
- Amol Ghia, M.D.Houston, TX 770301629030291
- Beverly Guadagnolo, M.D., MPHHouston, TX 770301407866676
- Joseph Herman, M.D.Houston, TX 770301346291465
Common questions
What is Quynh - Nhu Nguyen, MD's NPI number?
Quynh - Nhu Nguyen, MD's National Provider Identifier (NPI) is 1841407780, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Quynh - Nhu Nguyen, MD located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Quynh - Nhu Nguyen, MD's license?
NPPES lists Texas license number N0319, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Quynh - Nhu Nguyen, MD prescribe under Medicare Part D?
In 2024, Quynh - Nhu Nguyen, MD had 22 Medicare Part D claims for 20 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Quynh - Nhu Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.