DR. DENNIS A. LONG M.D.
NPI 1154454692
Psychiatry & Neurology - Psychiatry in Saint Charles, IL

Active since March 13, 2007Opted out of Medicare · through Jan 1, 2028
2210 DEAN ST, SUITE O-1, SAINT CHARLES, IL 60175(630) 377-7660 Get Directions Write a Review

NPPES record last updated: November 19, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Dennis A. Long M.d. NPPES

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

DR. DENNIS A. LONG M.D. (NPI 1154454692) is an individual psychiatry provider in Saint Charles, Illinois, licensed in Illinois (3642582) and active in the NPI registry since March 2007. He has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1154454692
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. DENNIS A. LONGCredential: M.D.
Location Address2210 DEAN ST, SUITE O-1Saint Charles, IL 60175-1066
Mailing Address2210 Dean St, Suite O-1Saint Charles, IL 60175-1066 · (630) 377-7660
Sole ProprietorYes
Enumeration DateMarch 13, 2007
Last NPPES UpdateNovember 19, 2007
NPI 1154454692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in IL · 3642582
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.
2210 DEAN ST, Saint Charles, IL 60175

Other Identifiers 2

Medicare UPINC38223
Medicare PIN457922

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. Dennis A. Long 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 January 1, 2018 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2018
Opt-Out In Effect ThroughJanuary 1, 2028Opt-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 60175 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
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
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.

Surgery
2210 DEAN ST, SUITE B
ST CHARLES, IL 60175
Psychiatry & Neurology (Psychiatry)
2210 DEAN ST, SUITE O-1
SAINT CHARLES, IL 60175
Anesthesiology
2210 DEAN ST
ST CHARLES, IL 60175
Podiatrist (Foot & Ankle Surgery)
2210 DEAN ST, SUITE C
ST CHARLES, IL 60175
Surgery
2210 DEAN ST, SUITE B
ST CHARLES, IL 60175
Psychiatry & Neurology (Psychiatry)
2210 DEAN ST, SUITE I
ST CHARLES, IL 60175
Clinic/Center (Hearing and Speech)
2210 DEAN ST, RANDALLWOOD, SUITE O-1
ST CHARLES, IL 60175
Anesthesiology (Pain Medicine)
2210 DEAN ST
ST CHARLES, IL 60175

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 Dennis Long's NPI number?

The NPI number for Dennis Long is 1154454692. It was assigned to this individual provider in the NPPES registry on March 13, 2007.

Where is Dennis Long located?

Dennis Long practices at 2210 Dean St Suite O-1, Saint Charles, IL 60175. The listed phone number is (630) 377-7660.

What is Dennis Long's specialty?

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

Is Dennis Long enrolled in Medicare?

No. Dennis Long has opted out of Medicare through January 1, 2028. 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 Dennis Long was last updated on November 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.