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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DEREK MARTZ
NPI 1346164647
Counselor - Mental Health in Chicago, IL

Active since August 07, 2026
30 N MICHIGAN AVE STE 901, CHICAGO, IL 60602(312) 339-8604 Get Directions Write a Review

NPPES record added: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Derek Martz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEREK MARTZ (NPI 1346164647) is an individual mental health provider in Chicago, Illinois and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1346164647
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameDEREK MARTZ
Location Address30 N MICHIGAN AVE STE 901Chicago, IL 60602-3767
Mailing Address30 N Michigan Ave Ste 901Chicago, IL 60602-3767
Phone(312) 339-8604
Sole ProprietorYes
Enumeration DateAugust 7, 2026
NPPES CertifiedAugust 4, 2026
✔ NPI 1346164647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
30 N MICHIGAN AVE STE 901, Chicago, IL 60602
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. THOMAS PATRICK THARAYIL LCSW
Social Worker (Clinical)
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (312) 409-7014
FINDING BALANCE PSYCHOTHERAPY PLLC
Social Worker (Clinical)
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (708) 252-3782
ERICA RODRIGUEZ LSW
Social Worker
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (312) 339-8604
CRISTIN MCAULEY
Counselor (Professional)
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (708) 250-6532
ELYSE FELDMANN
Counselor (Professional)
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (773) 789-8934
SARAH BOWLING LSW
Social Worker
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (312) 339-8604
TRANSFORMATIVE INSIGHTS COUNSELING PLLC
Counselor (Mental Health)
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (312) 399-3414
MARK D. BERGER, M.D., S.C.
Psychoanalyst
30 N MICHIGAN AVE STE 901
CHICAGO, IL 60602
Cook County (312) 782-0292

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Derek Martz's NPI number?

The NPI number for Derek Martz is 1346164647. It was assigned to this individual provider in the NPPES registry on August 7, 2026.

Where is Derek Martz located?

Derek Martz practices at 30 N Michigan Ave Ste 901, Chicago, IL 60602. The listed phone number is (312) 339-8604.

What is Derek Martz's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Derek Martz was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.