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

Mark Koser MD PC

Organization Ophthalmology Physician · NPI 1376812396

Mark Koser MD PC is an Ophthalmology Physician in Staten Island, New York. Licensed in New York. Registered with an NPI since 2011.

Licensed in
NY
In the registry since
2011
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3611 Richmond Ave
Staten Island, NY 10312-3410
Phone: (718) 966-7200
Fax: (718) 966-9119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 169168 (NY)

Record details

NPI number1376812396
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Koser — President · (718) 966-7200
NPI enumeratedDecember 20, 2011
Last updated in NPPESDecember 20, 2011
Mailing address3611 Richmond Ave, Staten Island, NY 10312-3410

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