DIMITRIOS NIKAS MD
NPI 1124014386
Neurological Surgery in Chicago, IL

Active since September 23, 2005PECOS EnrolledAccepts Medicare Assignment
323 W CONCORD PL, 5, CHICAGO, IL 60614(312) 573-0467 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dimitrios Nikas Md NPPES

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

DIMITRIOS NIKAS MD (NPI 1124014386) is an individual neurological surgery provider in Chicago, Illinois and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1124014386
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDIMITRIOS NIKASCredential: MD
Location Address323 W CONCORD PL, 5Chicago, IL 60614-5816
Mailing Address323 W Concord Pl, 5Chicago, IL 60614-5816 · (312) 573-0467
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateSeptember 23, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1124014386 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
323 W CONCORD PL, Chicago, IL 60614

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dimitrios Nikas Md 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 ID8729000666
PECOS Enrollment IDI20051220000784
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Dimitrios Nikas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
3118 N ASHLAND AVE
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 2,237 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60614 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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.

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 Dimitrios Nikas's NPI number?

The NPI number for Dimitrios Nikas is 1124014386. It was assigned to this individual provider in the NPPES registry on September 23, 2005.

Where is Dimitrios Nikas located?

Dimitrios Nikas practices at 323 W Concord Pl 5, Chicago, IL 60614. The listed phone number is (312) 573-0467.

What is Dimitrios Nikas's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Dimitrios Nikas enrolled in Medicare?

Yes. Dimitrios Nikas 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.

Which organizations bill Medicare for Dimitrios Nikas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dimitrios Nikas reassigns Medicare benefits to 3 organizations: Advocate Health And Hospitals Corp. (Chicago, IL), The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dimitrios Nikas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dimitrios Nikas accept?

Health plans from Oscar Health list Dimitrios Nikas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dimitrios Nikas was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.