Thanh J. Van, MD
Radiation Oncology Physician · Houston, TX
Thanh J. Van, MD is a radiation oncology physician with a practice address in Houston, Texas, and NPI 1548252430, issued on Aug 17, 2005. Check the license (Texas L1488, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thanh J. Van
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- L1488 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4223 Richmond Ave, Houston, TX 77027
- Phone
- (713) 351-0644
- Enumerated
- Aug 17, 2005
- Record last updated
- Apr 27, 2026
- Fax
- (713) 351-0633
- Medicaid ID
- 161463802 TX
- Medicare enrollment
- Enrolled (PECOS I20061025000489); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1998
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in Texas → Look up another NPI →
Also registered at 4223 Richmond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenton Armstrong, M.D.Urology Physician1669810826
- Lawrence Baum, M.D.Urology Physician1336375484
- Gilad Filmar, M.D.Obstetrics & Gynecology Physician1659511731
- Victor Lizarraga, M.D.Urology Physician1730400995
- Sachin Patil, M.D.Radiation Oncology Physician1881899730
- Rita Fe Tibbs, MDAnatomic Pathology & Clinical Pathology Physician1598727232
Verify Thanh J. Van in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L1488Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.6 times the Medicare Part D claims of the average radiation oncology physician in 2024
884 Medicare Part D claims for 404 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Ciprofloxacin Hcl318 claims
- Tamsulosin Hcl210 claims
- Oxybutynin Chloride66 claims
- Meloxicam60 claims
- Megestrol Acetate40 claims
- Orgovyx27 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): 99.2 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).
Industry payments in 2024: $731.23
17 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Houston Metro UrologyHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thanh J. Van among 449 radiation oncology physician records in Texas
Thanh J. Van, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1998 · median 2004 among the 348 with a school on file
- Record last updated2026 · 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
- Sachin Patil, M.D.Houston, TX 770271881899730
- Mary Dean, M.D.Houston, TX 770251407266745
- Benjamin Farnia, MDHouston, TX 770251861888224
- Mi Kyung Ko, M.D.Houston, TX 770251184711954
- Jacob Locke, M.D.Houston, TX 770251750303160
- Sanjay Mehta, MDHouston, TX 770251316009806
- Mona Sanghani, M.D.Houston, TX 770251992825079
- Neelofur Ahmad, M.D.Houston, TX 770301154320976
Common questions
What is Thanh J. Van, MD's NPI number?
Thanh J. Van, MD's National Provider Identifier (NPI) is 1548252430, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thanh J. Van, MD located?
The NPPES record lists a practice address at 4223 Richmond Ave, Houston, TX, 77027. Phone: (713) 351-0644. Providers update this record themselves, so call before visiting.
How can I verify Thanh J. Van, MD's license?
NPPES lists Texas license number L1488, 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 Thanh J. Van, MD prescribe under Medicare Part D?
In 2024, Thanh J. Van, MD had 884 Medicare Part D claims for 404 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Thanh J. Van, MD's MIPS final score?
The 2023 MIPS final score is 99.2 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.