Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GRETCHEN GENZ DAVIDSON MSW, LCSW
NPI 1730165317
Social Worker - Clinical in Evanston, IL

Active since December 16, 2005PECOS Enrolled
717 MAIN ST, SUITE 2-E, EVANSTON, IL 60202(847) 869-8856(847) 329-9263 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gretchen Genz Davidson Msw, Lcsw NPPES

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

GRETCHEN GENZ DAVIDSON MSW, LCSW (NPI 1730165317) is an individual clinical provider in Evanston, Illinois and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1730165317
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGRETCHEN GENZ DAVIDSONCredential: MSW, LCSW
Location Address717 MAIN ST, SUITE 2-EEvanston, IL 60202-1701
Mailing Address717 Main St, Suite 2-eEvanston, IL 60202-1701 · (847) 869-8856 · Fax (847) 329-9263
Fax(847) 329-9263
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateDecember 16, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1730165317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

717 MAIN ST, Evanston, IL 60202

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gretchen Genz Davidson Msw, Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123190758
PECOS Enrollment IDI20080626000449
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
338 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.08 – $183.39
Typical copayment $0.00 (range $15.02 – $45.84)
Most-billed visit code NA
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

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

Social Worker (Clinical)
717 MAIN ST
EVANSTON, IL 60202
Psychologist (Clinical)
717 MAIN ST, 2ND FLOOR EAST
EVANSTON, IL 60202
Social Worker (Clinical)
717 MAIN ST, SUITE 2E
EVANSTON, IL 60202
Social Worker (Clinical)
717 MAIN ST
EVANSTON, IL 60202
Social Worker (Clinical)
717 MAIN ST
EVANSTON, IL 60202

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 Gretchen Davidson's NPI number?

The NPI number for Gretchen Davidson is 1730165317. It was assigned to this individual provider in the NPPES registry on December 16, 2005.

Where is Gretchen Davidson located?

Gretchen Davidson practices at 717 Main St Suite 2-E, Evanston, IL 60202. The listed phone number is (847) 869-8856.

What is Gretchen Davidson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Gretchen Davidson enrolled in Medicare?

Yes. Gretchen Davidson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gretchen Davidson was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.