Registration Header Parameters

Normalized identity and public registration information from FDA records.

Source

FDA Device Registration & Listing

Record Type

Device registration/listing

Registration Number

2921591

FEI Number

2921591

Entity Name

MODULUS DATA SYSTEMS, INC.

City/State/Country

REDWOOD CITY, CA, US

Establishment Address

386 MAIN STREET, SUITE B, REDWOOD CITY, CA 94063, US

Establishment Type(s)

Manufacture Medical Device

Owner / Operator

MODULUS DATA SYSTEMS, INC. (Owner Number: 2921591)

Owner / Operator Contact Address

386 MAIN STREET, SUITE B, --, Redwood City, CA 94063, US

Initial Importer Flag

Expiration Date (Year)

2026

510(k) Number

N/A

PMA Number

N/A

All Registered Proprietary Names

DIFFCOUNT

Registered Product Listings

Product Code	Device Name	Medical Specialty	Device Class	Regulation Number	Created Date
GKM	Hand-Tally, Differential	Hematology	Class 1	864.6160	1992-12-03

Official Correspondent

Alexia Costouros

US Agent Details

No US Agent registered (Local establishment).

Related Public Records

Same Entity

MODULUS DATA SYSTEMS, INC.

View consolidated registration, premarket clearance, and recall records for this applicant.

View Entity Profile →

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Source Citation & Summary: This public preview is extracted from openFDA device registration and listing logs under registration number 2921591. Last updated year: 2026. Please use registration number 2921591 when referencing this establishment in official correspondence.