Wan Hsiang Chen, MD
Internal Medicine Physician · Houston, TX
Wan Hsiang Chen, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1316527559, issued on Apr 12, 2021. Check the license (Texas U8307, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wan Hsiang Chen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- U8307 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6565 Fannin St, Houston, TX 77030
- Phone
- (713) 235-1100
- Enumerated
- Apr 12, 2021
- Record last updated
- Aug 14, 2024
- Fax
- (713) 575-3912
- Medicare enrollment
- Enrolled (PECOS I20240910003100); accepts Medicare assignment
- Medical or professional school
- F H Netter, M.D. School Of Med At Quinnipiac Univ, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6565 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Safiyah AbdullahAcute Care Nurse Practitioner1497200851
- Selma AbdurrahmanStudent in an Organized Health Care Education/Training Program1659127090
- Catherine Achim, M.D.Ophthalmology Physician1114215738
Verify Wan Hsiang Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U8307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
216 Medicare Part D claims for 85 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 11 claims were for opioids.
Most prescribed
- Prednisone13 claims
- Amoxicillin-Clavulanate Potass11 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).
Wan Hsiang Chen among 9,175 internal medicine physician records in Texas
Wan Hsiang Chen, MD 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 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
- Ketti Awad, MDHouston, TX 770301740284710
- Parikshet Babber, MDHouston, TX 770301114915816
- James Baker, MDHouston, TX 770301477549566
- Ana Blackmon, M.D.Houston, TX 770301962402446
- Maria Cruz-Carreras, MDHouston, TX 770301376533893
- Marina George, MDHouston, TX 770301780680009
- Barry Goodfriend, MDHouston, TX 770301588666218
- Betty Halpern, MDHouston, TX 770301942292685
Common questions
What is Wan Hsiang Chen, MD's NPI number?
Wan Hsiang Chen, MD's National Provider Identifier (NPI) is 1316527559, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Wan Hsiang Chen, MD located?
The NPPES record lists a practice address at 6565 Fannin St, Houston, TX, 77030. Phone: (713) 235-1100. Providers update this record themselves, so call before visiting.
How can I verify Wan Hsiang Chen, MD's license?
NPPES lists Texas license number U8307, 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 Wan Hsiang Chen, MD prescribe under Medicare Part D?
In 2024, Wan Hsiang Chen, MD had 216 Medicare Part D claims for 85 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.