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WEN-RAY THOMAS HSU, MD, PC
NPI 1356586630
Internal Medicine - Geriatric Medicine in New York, NY

Active since December 15, 2008
301 E 21ST ST, SUITE 1A, NEW YORK, NY 10010(212) 477-4907(212) 477-4944 Get Directions Write a Review

NPPES record last updated: December 15, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Wen-ray Thomas Hsu, Md, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WEN-RAY THOMAS HSU, MD, PC (NPI 1356586630) is a healthcare organization registered as a geriatric medicine in New York, New York and active in the NPI registry since December 2008. The organization lists Wen-ray Thomas Hsu, Chief Physician, as its authorized official.

NPPES Registry Identity

NPI1356586630
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NameWEN-RAY THOMAS HSU, MD, PC
Location Address301 E 21ST ST, SUITE 1ANew York, NY 10010-6543
Mailing Address18 Andrea LnScarsdale, NY 10583-3108 · (914) 472-3541 · Fax (914) 472-3541
Phone(212) 477-4907
Fax(212) 477-4944
Organization SubpartNo
Authorized OfficialWen-ray Thomas HsuChief Physician · (914) 472-3541
Enumeration DateDecember 15, 2008
✔ NPI 1356586630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in NY · 243841
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
301 E 21ST ST, New York, NY 10010
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINI 65363MA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wen-ray Thomas Hsu, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Wen-Ray Thomas Hsu, MD, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Wen Ray Hsu, M.D.
Internal Medicine
NPI 1326135468
301 E 21ST ST SUITE 1A
New York, NY 10010
(212) 477-4907
✔ PECOS✔ Accepts Medicare1.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Wen-Ray Thomas Hsu, MD, PC's NPI number?

The NPI number for Wen-Ray Thomas Hsu, MD, PC is 1356586630. It was assigned to this organization in the NPPES registry on December 15, 2008.

Where is Wen-Ray Thomas Hsu, MD, PC located?

Wen-Ray Thomas Hsu, MD, PC is located at 301 E 21st St Suite 1A, New York, NY 10010. The listed phone number is (212) 477-4907.

What is Wen-Ray Thomas Hsu, MD, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Wen-Ray Thomas Hsu, MD, PC enrolled in Medicare?

Yes. Wen-Ray Thomas Hsu, MD, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Wen-Ray Thomas Hsu, MD, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Wen-Ray Thomas Hsu, MD, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Wen-Ray Thomas Hsu, MD, PC was last updated on December 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.