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DR. ROBERT LEJAWA D.O.
NPI 1265592596
Family Medicine in Naperville, IL

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
120 SPALDING DR., SUITE 303, NAPERVILLE, IL 60540(630) 527-5575(630) 527-5573 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2026, Dec 3, 2025, Oct 26, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Robert Lejawa D.o. NPPES

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

DR. ROBERT LEJAWA D.O. (NPI 1265592596) is an individual family medicine provider in Naperville, Illinois, licensed in Illinois (036179386) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (2005).

NPPES Registry Identity

NPI1265592596
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ROBERT LEJAWACredential: D.O.
Location Address120 SPALDING DR., SUITE 303Naperville, IL 60540-6557
Mailing Address2650 Ridge AveEvanston, IL 60201-1700 · (630) 527-5575 · Fax (630) 527-5573
Phone(630) 527-5575
Fax(630) 527-5573
Sole ProprietorNo
Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 2005
Enumeration DateDecember 8, 2006
Last NPPES UpdateMay 19, 20264 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
✔ NPI 1265592596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IL · 036179386✔ Licensed in WI · 49846-021✔ Licensed in NC · 2019-00158✔ Licensed in TX · N1731
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
120 SPALDING DR., Naperville, IL 60540
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Secondary Practice Locations 2

Location 18645 Rachel Freeman WayCharlotte, NC 28278-9567 · Phone (704) 316-3608
Location 28820 Rachel Freeman WayCharlotte, NC 28278-9510 · Phone (704) 316-3608 · Fax (704) 316-3609

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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. Robert Lejawa 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 ID4880872969
PECOS Enrollment IDI20260528001537
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 Reassignment

Medicare enrollment records show Robert Lejawa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
32 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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 3

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.
127 services56 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
22 services22 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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

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

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$4.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Robert Lejawa's NPI number?

The NPI number for Robert Lejawa is 1265592596. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Robert Lejawa located?

Robert Lejawa practices at 120 Spalding Dr. Suite 303, Naperville, IL 60540. The listed phone number is (630) 527-5575.

What is Robert Lejawa's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Robert Lejawa enrolled in Medicare?

Yes. Robert Lejawa 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 organization bills Medicare for Robert Lejawa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Lejawa reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Robert Lejawa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Lejawa accept?

Health plans from Anthem Blue Cross and Blue Shield and Oscar Health list Robert Lejawa 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 Robert Lejawa was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.