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DR. JAMES NIKOLAKAKIS D.O
NPI 1801968805
Internal Medicine in Des Plaines, IL

Active since November 14, 2006PECOS EnrolledAccepts Medicare Assignment
150 N RIVER RD, SUITE 100, DES PLAINES, IL 60016(847) 298-0310(847) 298-5939 Get Directions Write a Review

NPPES record last updated: February 7, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. James Nikolakakis D.o NPPES

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

DR. JAMES NIKOLAKAKIS D.O (NPI 1801968805) is an individual internal medicine provider in Des Plaines, Illinois, licensed in Illinois (036-097071) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (1995).

NPPES Registry Identity

NPI1801968805
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES NIKOLAKAKISCredential: D.O
Location Address150 N RIVER RD, SUITE 100Des Plaines, IL 60016-1272
Mailing Address150 N River Rd, Suite 100Des Plaines, IL 60016-1272 · (847) 298-0310 · Fax (847) 298-5939
Phone(847) 298-0310
Fax(847) 298-5939
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 1995
Enumeration DateNovember 14, 2006
Last NPPES UpdateFebruary 7, 2011
✔ NPI 1801968805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-097071
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
150 N RIVER RD, Des Plaines, IL 60016
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Other Identifiers 1

Medicare UPING92922IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Dr. James Nikolakakis D.o 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 ID6305880212
PECOS Enrollment IDI20100809000733
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

2

Medicare enrollment records show James Nikolakakis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lutheran General Hospital
1.4 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210
North Shore Primary Care S.C.
14 mi
Internal Medicine
1900 HOLLISTER DR STE 250
Libertyville, IL 60048
  • Reassigned Medicare billing, Illinois enrollment
  • 10 clinicians in this Medicare group
NPI 1659563831 (847) 573-9663

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

Areas of Expertise CMS Part B claims 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
464 services258 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
92 services70 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
73 services64 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
41 services40 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
39 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
28 services28 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60016 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
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
23 suppliers36 claims98 services$6.04 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
14 suppliers29 claims36 services$1.02 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$15.33 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers16 claims16 services$24.12 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$68.39 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

RAYMOND DAOU, MD, PC
Otolaryngology
150 N RIVER RD, STE 200
DES PLAINES, IL 60016
Cook County (847) 297-0333
NORTH SUBURBAN FAMILY MEDICINE LTD
Family Medicine
150 N RIVER RD, SUITE 310
DES PLAINES, IL 60016
Cook County (847) 795-0900
PURVI GABHAWALA AGNP
Nurse Practitioner (Adult Health)
150 N RIVER RD
DES PLAINES, IL 60016
Cook County (847) 290-1300
PETER WERNER M.D.
Internal Medicine (Pulmonary Disease)
150 N RIVER RD, SUITE 210
DES PLAINES, IL 60016
Cook County (847) 759-4060
PRESENCE AMBULATORY SERVICES
Clinic/Center (Multi-Specialty)
150 N RIVER RD
DES PLAINES, IL 60016
Cook County (847) 813-3510
JEANNE M HOAG M.D.
Dermatology
150 N RIVER RD, STE 210
DES PLAINES, IL 60016
Cook County (847) 759-4060
BETH H SAMUELSOHN D.O.
Family Medicine
150 N RIVER RD, SUITE 150
DES PLAINES, IL 60016
Cook County (847) 795-0900
NORTH SUBURBAN FAMILY MEDICAL
Family Medicine
150 N RIVER RD, SUITE 310
DES PLAINES, IL 60016
Cook County (847) 795-0900

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 James Nikolakakis's NPI number?

The NPI number for James Nikolakakis is 1801968805. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Where is James Nikolakakis located?

James Nikolakakis practices at 150 N River Rd Suite 100, Des Plaines, IL 60016. The listed phone number is (847) 298-0310.

What is James Nikolakakis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Nikolakakis enrolled in Medicare?

Yes. James Nikolakakis 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 James Nikolakakis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Nikolakakis reassigns Medicare benefits to 2 organizations: Lutheran General Hospital (Park Ridge, IL) and North Shore Primary Care S.C. (Libertyville, 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 James Nikolakakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Nikolakakis accept?

Health plans from Oscar Health list James Nikolakakis 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.

Is James Nikolakakis affiliated with any hospitals?

According to CMS data, James Nikolakakis is affiliated with Northshore University Healthsystem - Evanston Hospital, Northwestern Lake Forest Hospital, Advocate Condell Medical Center, Advocate Lutheran General Hospital and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for James Nikolakakis was last updated on February 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.