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

O-K Diagnostics LLC

Organization Physiological Laboratory · NPI 1427586726

O-K Diagnostics LLC is a Physiological Laboratory in Staten Island, New York. Registered with an NPI since 2017.

In the registry since
2017
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

4176 Victory Blvd
Staten Island, NY 10314-6739
Phone: (718) 698-3030
Fax: (718) 494-1095
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physiological Laboratory (primary) Taxonomy 293D00000X

Record details

NPI number1427586726
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Darya Feklistova — President/Owner · (917) 913-0240
NPI enumeratedMay 31, 2017
Last updated in NPPESJuly 21, 2022
Mailing address4176 Victory Blvd, Staten Island, NY 10314-6739