Marcus Tan
NPI 1801666706 · Physician Assistant · Manhasset, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Tan is a Physician Assistant provider in Manhasset, NY (NPI 1801666706).
Provider details
- NPI number
- 1801666706
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
$101 across 1 record (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
- 2024-01-03
- Last updated
- 2024-10-23
- Certified
- 2024-10-23
Frequently asked questions
- What is Marcus Tan's NPI number?
- Marcus Tan's National Provider Identifier (NPI) is 1801666706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Tan's specialty?
- Marcus Tan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcus Tan located?
- Marcus Tan's practice location on file with NPPES is 300 Community Dr, Manhasset, NY 11030-3816.
- What is Marcus Tan's phone number?
- The practice phone number listed in the NPPES registry for Marcus Tan is (516) 562-0100.
- Does Marcus Tan accept Medicare?
- Marcus Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Tan's NPI active?
- Yes — Marcus Tan's NPI (1801666706) is active in the NPPES registry as of the last update on 2024-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.