Wei-Ning Sun
Internal Medicine Physician · Houston, TX
Wei-Ning Sun is an internal medicine physician with a practice address in Houston, Texas, and NPI 1780189506, issued on Mar 25, 2018. Check the license (Texas T0638, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wei-Ning Sun
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- T0638 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6550 Fannin St # SM1001, Houston, TX 77030
- Phone
- (713) 441-5114
- Enumerated
- Mar 25, 2018
- Record last updated
- May 12, 2022
- Fax
- (713) 790-3023
- Medicare enrollment
- Enrolled (PECOS I20210921001638); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6550 Fannin St # SM1001
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Alwan, MDStudent in an Organized Health Care Education/Training Program1750222592
Verify Wei-Ning Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T0638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
562 Medicare Part D claims for 263 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Furosemide26 claims
- Amoxicillin-Clavulanate Potass25 claims
- Eliquis23 claims
- Hydrocodone-Acetaminophen23 claims
- Pantoprazole Sodium23 claims
- Atorvastatin Calcium20 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.
Bills Medicare through one group practice
- Medical Center Hospitalist Associates PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wei-Ning Sun among 9,175 internal medicine physician records in Texas
Wei-Ning Sun is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2004 among the 6,088 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
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Common questions
What is Wei-Ning Sun's NPI number?
Wei-Ning Sun's National Provider Identifier (NPI) is 1780189506, issued on Mar 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Wei-Ning Sun located?
The NPPES record lists a practice address at 6550 Fannin St # SM1001, Houston, TX, 77030. Phone: (713) 441-5114. Providers update this record themselves, so call before visiting.
How can I verify Wei-Ning Sun's license?
NPPES lists Texas license number T0638, 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 Wei-Ning Sun prescribe under Medicare Part D?
In 2024, Wei-Ning Sun had 562 Medicare Part D claims for 263 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.