Marcus Tan
- Hospital affiliations
- 1
- Industry payments
- $125
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 300 Community Drive, Manhasset, NY 11030
- Practice phone
- Call (516) 562-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Marcus Tan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marcus Tan is a physician assistant in Manhasset, New York
Marcus Tan practices at North Shore University Hospital in Manhasset, New York, part of Northwell Health.
Marcus Tan's NPI, 1801666706, was assigned on January 3, 2024.
- NPI
- 1801666706NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2024
- NPI status
- Active
- Practice phone
- (516) 562-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marcus Tan practices at North Shore University Hospital in Manhasset, New York
Marcus Tan's primary practice is North Shore University Hospital, at 300 Community Drive, Manhasset, NY 11030 in Nassau County. The practice phone is (516) 562-0100.
- North Shore University Hospital300 Community Drive, Manhasset, NY 11030 · Nassau CountyPhone(516) 562-0100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marcus Tan is affiliated with 1 site of care and 1 medical group
Marcus Tan's primary practice is North Shore University Hospital in Manhasset, New York, part of Northwell Health. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marcus Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marcus Tan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Shore University Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Marcus Tan is one of 11,456 physician assistants in New York
Physician assistant is Marcus Tan's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Marcus Tan
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Marcus Tan received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Marcus Tan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Argenx US, Inc. paid the most, $125.
Companies that paid Marcus Tan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marcus Tan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Marcus Tan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marcus Tan's NPI number?
Marcus Tan's NPI number is 1801666706. It was assigned on January 3, 2024, and it is active in the NPI Registry.
What does Marcus Tan specialize in?
Marcus Tan is a physician assistant in Manhasset, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marcus Tan practice?
Marcus Tan practices at 300 Community Drive, Manhasset, NY 11030. Marcus Tan's primary practice is North Shore University Hospital in Manhasset, New York, part of Northwell Health.
What is Marcus Tan's office phone number?
The practice phone on file for Marcus Tan is (516) 562-0100.
Which hospitals is Marcus Tan affiliated with?
Marcus Tan practices at North Shore University Hospital in Manhasset, New York.
What medical group is Marcus Tan part of?
Marcus Tan is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Has Marcus Tan received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Marcus Tan from 1 company from 2025 to 2025. The largest total came from Argenx US, Inc.
How long has Marcus Tan been practicing?
Marcus Tan's NPI was assigned in 2024.
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