Wen-Ray T. Hsu, M.D.
Internal Medicine Physician · New York, NY
Wen-Ray T. Hsu, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1326135468, issued on Oct 9, 2006. Check the license (New York 243841, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Wen-Ray T. Hsu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 243841 NY
227696 MA
Self-reported in NPPES; status is on the state search - Practice location
- 301 E 21St St, New York, NY 10010
- Phone
- (212) 477-4907
- Enumerated
- Oct 9, 2006
- Record last updated
- Oct 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (212) 477-4944
- Medicaid ID
- 03082799 NY
- Medicare enrollment
- Enrolled (PECOS I20080421000263); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 301 E 21St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Jakubowicz, PH.D.Psychoanalyst1295950178
- Amy Kuo, MDInternal Medicine Physician1831283043
- Patrick Ponce, OTRLOccupational Therapist1902994692
Verify Wen-Ray T. Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 243841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,753 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. Brand-name drugs were 15% of claims. 120 claims were for opioids.
Most prescribed
- Atorvastatin Calcium781 claims
- Amlodipine Besylate457 claims
- Tamsulosin Hcl426 claims
- Metoprolol Succinate412 claims
- Losartan Potassium374 claims
- Gabapentin327 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.
Industry payments in 2024: $472.82
17 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Wen-Ray T. Hsu among 12,067 internal medicine physician records in New York
Wen-Ray T. Hsu, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2002 among the 7,221 with a school on file
- Record last updated2010 · 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 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
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Common questions
What is Wen-Ray T. Hsu, M.D.'s NPI number?
Wen-Ray T. Hsu, M.D.'s National Provider Identifier (NPI) is 1326135468, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wen-Ray T. Hsu, M.D. located?
The NPPES record lists a practice address at 301 E 21St St, New York, NY, 10010. Phone: (212) 477-4907. Providers update this record themselves, so call before visiting.
How can I verify Wen-Ray T. Hsu, M.D.'s license?
NPPES lists New York license number 243841, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wen-Ray T. Hsu, M.D. prescribe under Medicare Part D?
In 2024, Wen-Ray T. Hsu, M.D. had 10,753 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.