William Cheung, M.D.
NPI 1629031208 · Hematology & Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Cheung, M.D. is a Hematology & Oncology Physician provider in New York, NY (NPI 1629031208).
Provider details
- NPI number
- 1629031208
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 189558 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,206 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 328 | $102 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 198 | $9 |
| Assessment of Emotional Or Behavioral Problems96127 | 147 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $143 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 95 | $71 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 152 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 848 | 372 |
| Amlodipine Besylate | 404 | 164 |
| Losartan Potassium | 338 | 141 |
| Metformin Hclbrand: Metformin Hcl Er | 299 | 133 |
| Omeprazole | 260 | 98 |
| Tamsulosin Hcl | 233 | 94 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,542 across 232 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
- 2006-04-06
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is William Cheung's NPI number?
- William Cheung's National Provider Identifier (NPI) is 1629031208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Cheung's specialty?
- William Cheung is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Cheung located?
- William Cheung's practice location on file with NPPES is 86 Bowery Fl 7, New York, NY 10013-4615.
- What is William Cheung's phone number?
- The practice phone number listed in the NPPES registry for William Cheung is (212) 226-2251.
- Does William Cheung accept Medicare?
- William Cheung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Cheung's NPI active?
- Yes — William Cheung's NPI (1629031208) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.