Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marcus H Loo MD LLC

Organization Specialist · NPI 1740433325

Marcus H Loo MD LLC provides Specialist services in New York, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

254 Canal St Ste 3001
New York, NY 10013-3501 Not confirmed with CMS for 17 years — call before visiting
Phone: (212) 925-8388
Fax: (212) 941-7426
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 159685 (NY)

Record details

NPI number1740433325
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marcus Loo — Ceo · (212) 925-8388
NPI enumeratedOctober 28, 2008
Last updated in NPPESOctober 28, 2008
Mailing address254 Canal St, Suite 3001, New York, NY 10013-3501

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