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

Tzam Diagnostics LLC

Organization Clinical Medical Laboratory · NPI 1285887372

Tzam Diagnostics LLC is a Clinical Medical Laboratory in Northbrook, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
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

1880 Holste Rd
Northbrook, IL 60062-7716
Phone: (847) 256-3238
Fax: (847) 256-3239
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X · Licence 14D1039167 (IL)

Record details

NPI number1285887372
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Hongjun Zhang — Vice President · (847) 256-3238
Other names Tzam Clinical Laboratory
NPI enumeratedNovember 3, 2008
Last updated in NPPESDecember 12, 2014
Mailing address1880 Holste Rd, Northbrook, IL 60062-7716

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