DR. JOHN VINCENT GILLILAN M.D.
NPI 1437104981
Psychiatry & Neurology - Psychiatry in Chicago, IL

Q: What is John Gillilan's NPI number?

The NPI number for John Gillilan is 1437104981. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Q: What is John Gillilan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is John Gillilan enrolled in Medicare?

No. John Gillilan has opted out of Medicare through November 6, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for John Gillilan 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 2 months 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.

Active since May 23, 2006Opted out of Medicare · through Nov 6, 2027

737 N MICHIGAN AVE, SUITE 2240, CHICAGO, IL 60611(312) 255-0140(312) 255-0149 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

On this page

About Dr. John Vincent Gillilan M.d. NPPES

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

DR. JOHN VINCENT GILLILAN M.D. (NPI 1437104981) is an individual psychiatry provider in Chicago, Illinois and active in the NPI registry since May 2006. He has opted out of Medicare through November 6, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1437104981

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. JOHN VINCENT GILLILANCredential: M.D.

Location Address737 N MICHIGAN AVE, SUITE 2240Chicago, IL 60611-2615

Mailing Address737 N Michigan Ave, Suite 2240Chicago, IL 60611-2615 · (312) 255-0140 · Fax (312) 255-0149

Phone(312) 255-0140

Fax(312) 255-0149

Sole ProprietorNo

Enumeration DateMay 23, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1437104981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

737 N MICHIGAN AVE, Chicago, IL 60611

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. John Vincent Gillilan M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 6, 2015 through November 6, 2027.

Opt-Out Effective DateNovember 6, 2015

Opt-Out In Effect ThroughNovember 6, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

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 20

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

PSYCHIATRIC ASSOCIATES SC

Psychiatry & Neurology (Psychiatry)

737 N MICHIGAN AVE, SUITE 1200
CHICAGO, IL 60611

Cook County (312) 373-7300

DR. IAN MURPHY

General Acute Care Hospital (Critical Access)

737 N MICHIGAN AVE, SUITE 1600, CARDIOVASCULAR IMAGING
CHICAGO, IL 60611

Cook County (312) 926-2000

ORTHODONTICS FOR ALL AGES, P.C.

Dentist (Orthodontics and Dentofacial Orthopedics)

737 N MICHIGAN AVE, SUITE 1330
CHICAGO, IL 60611

Cook County (312) 266-7118

DR. WILIIAM DONALD CIGANEK M.D.

Psychiatry & Neurology (Psychiatry)

737 N MICHIGAN AVE, SUITE 2240
CHICAGO, IL 60611

Cook County (312) 255-0140

AMY MARIE YOUNG MS, OTR/L, CHT

Occupational Therapist (Hand)

737 N MICHIGAN AVE, SUITE 700
CHICAGO, IL 60611

Cook County (312) 337-6960

JUDITH LICHTENSTEIN, MD, S.C.

Psychoanalyst

737 N MICHIGAN AVE, #2240
CHICAGO, IL 60611

Cook County (312) 944-1701

MRS. BARBARA LEE HARTNETT MS,NP

Nurse Practitioner (Obstetrics & Gynecology)

737 N MICHIGAN AVE
CHICAGO, IL 60611

Cook County (312) 440-3810

THOMAS A WIEDRICH MD

Orthopaedic Surgery (Hand Surgery)

737 N MICHIGAN AVE, STE 700
CHICAGO, IL 60611

Cook County (312) 337-6960

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 John Gillilan's NPI number?

The NPI number for John Gillilan is 1437104981. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is John Gillilan located?

John Gillilan practices at 737 N Michigan Ave Suite 2240, Chicago, IL 60611. The listed phone number is (312) 255-0140.

What is John Gillilan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Gillilan enrolled in Medicare?

No. John Gillilan has opted out of Medicare through November 6, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for John Gillilan 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 2 months 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.