Wen-Ray Hsu, M.D.
NPI 1326135468 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wen-Ray Hsu, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1326135468).
Provider details
- NPI number
- 1326135468
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 227696 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
724 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 291 | $118 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 182 | $196 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $146 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 48 | $20 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 48 | $128 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 781 | 111 |
| Amlodipine Besylate | 457 | 73 |
| Tamsulosin Hcl | 426 | 74 |
| Metoprolol Succinate | 412 | 65 |
| Losartan Potassium | 374 | 57 |
| Gabapentin | 327 | 44 |
| Famotidine | 325 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$473 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2010-10-05
Frequently asked questions
- What is Wen-Ray Hsu's NPI number?
- Wen-Ray Hsu's National Provider Identifier (NPI) is 1326135468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wen-Ray Hsu's specialty?
- Wen-Ray Hsu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wen-Ray Hsu located?
- Wen-Ray Hsu's practice location on file with NPPES is 301 E 21st St, New York, NY 10010-6505.
- What is Wen-Ray Hsu's phone number?
- The practice phone number listed in the NPPES registry for Wen-Ray Hsu is (212) 477-4907.
- Does Wen-Ray Hsu accept Medicare?
- Wen-Ray Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wen-Ray Hsu's NPI active?
- Yes — Wen-Ray Hsu's NPI (1326135468) is active in the NPPES registry as of the last update on 2010-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.