Marcus Leung, OD
NPI 1639802036 · Optometrist · Clifton, NJ
Marcus Leung, OD is a Optometrist provider in Clifton, NJ (NPI 1639802036).
Provider details
- NPI number
- 1639802036
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 27OA00713800 (NJ)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$143 across 3 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
- 2022-07-05
- Last updated
- 2022-07-05
- Certified
- 2022-07-05
Frequently asked questions
- What is Marcus Leung's NPI number?
- Marcus Leung's National Provider Identifier (NPI) is 1639802036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Leung's specialty?
- Marcus Leung is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Marcus Leung located?
- Marcus Leung's practice location on file with NPPES is 30 Kingsland Rd, Clifton, NJ 07014-1904.
- What is Marcus Leung's phone number?
- The practice phone number listed in the NPPES registry for Marcus Leung is (917) 750-2065.
- Is Marcus Leung's NPI active?
- Yes — Marcus Leung's NPI (1639802036) is active in the NPPES registry as of the last update on 2022-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.