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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARTIN E. WOLFF ED.D.
NPI 1437135852
Psychologist - Clinical in Rockford, IL

Active since December 17, 2005
631 N LONGWOOD ST, SUITE 203, ROCKFORD, IL 61107(815) 962-6100(815) 962-6107 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Martin E. Wolff Ed.d. NPPES

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

DR. MARTIN E. WOLFF ED.D. (NPI 1437135852) is an individual clinical provider in Rockford, Illinois and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1437135852
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARTIN E. WOLFFCredential: ED.D.
Location Address631 N LONGWOOD ST, SUITE 203Rockford, IL 61107-4266
Mailing Address631 N Longwood St, Suite 203Rockford, IL 61107-4266 · (815) 962-6100 · Fax (815) 962-6107
Phone(815) 962-6100
Fax(815) 962-6107
Sole ProprietorNo
Enumeration DateDecember 17, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1437135852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
631 N LONGWOOD ST, Rockford, IL 61107
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Other Providers at the Same Location NPPES

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

JACALYN DALE FISCHER-CASEY L.C.P.C.
Counselor (Addiction (Substance Use Disorder))
631 N LONGWOOD ST, STE 203
ROCKFORD, IL 61107
Winnebago County (815) 962-6100

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 Martin Wolff's NPI number?

The NPI number for Martin Wolff is 1437135852. It was assigned to this individual provider in the NPPES registry on December 17, 2005.

Where is Martin Wolff located?

Martin Wolff practices at 631 N Longwood St Suite 203, Rockford, IL 61107. The listed phone number is (815) 962-6100.

What is Martin Wolff's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Martin Wolff was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.