Justin Cheung, MD
NPI 1881334399 · Medical Oncology Physician · New York, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Cheung, MD is a Medical Oncology Physician provider in New York, NY (NPI 1881334399).
Provider details
- NPI number
- 1881334399
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 32 |
| Gabapentin | 24 |
| Metoprolol Succinate | 20 |
| Losartan Potassium | 17 |
| Sertraline Hcl | 16 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 15 |
| Dulaglutidebrand: Trulicity | 14 |
| Primidone | 13 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 55 Fruit StBoston, MA 02114-2696Phone: (617) 726-5820
Registry dates
- Enumerated
- 2022-03-31
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Justin Cheung's NPI number?
- Justin Cheung's National Provider Identifier (NPI) is 1881334399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Cheung's specialty?
- Justin Cheung is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Cheung located?
- Justin Cheung's practice location on file with NPPES is 1275 York Ave, New York, NY 10065-6007.
- What is Justin Cheung's phone number?
- The practice phone number listed in the NPPES registry for Justin Cheung is (347) 798-9213.
- Does Justin Cheung accept Medicare?
- Justin Cheung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Cheung's NPI active?
- Yes — Justin Cheung's NPI (1881334399) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.