DR. MARK ROBERT KIJEK MD
NPI 1790244614
Pediatrics in Little Rock, AR

Active since March 19, 2019PECOS Enrolled
4301 W MARKHAM ST # 512-5B, LITTLE ROCK, AR 72205(501) 525-3580 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 5, 2026, May 5, 2025, Mar 5, 2024 and 4 more (7 updates tracked since 2019).

About Dr. Mark Robert Kijek Md NPPES

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

DR. MARK ROBERT KIJEK MD (NPI 1790244614) is an individual pediatrics provider in Little Rock, Arkansas, licensed in Arkansas (E15628) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1790244614
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. MARK ROBERT KIJEKCredential: MD
Location Address4301 W MARKHAM ST # 512-5BLittle Rock, AR 72205-7101
Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-6423
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 19, 2019
Last NPPES UpdateMay 5, 20267 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
✔ NPI 1790244614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in AR · E15628✔ Licensed in NJ · 25MA12467800✔ Licensed in AR · E-15628✔ Licensed in DE · C1-0027701
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Neonatal-Perinatal MedicineTaxonomy 2080N0001X · License C1-0027701 (DE), 25MA12467800 (NJ), D0105148 (MD)
4301 W MARKHAM ST # 512-5B, Little Rock, AR 72205

Secondary Practice Locations 5

Location 11700 Harrison St Ste NBatesville, AR 72501-7315 · Phone (870) 262-2200 · Fax (870) 262-2210
Location 24940 Eastern AveBaltimore, MD 21224-2735 · Phone (410) 550-0100
Location 35755 Cedar LnColumbia, MD 21044-2912 · Phone (410) 740-7890
Location 4700 Mullica Hill RdMullica Hill, NJ 08062-4413 · Phone (856) 508-1000
Location 51600 Rockland RdWilmington, DE 19803-3607 · Phone (302) 651-4200

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Robert Kijek Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5395125652
PECOS Enrollment IDI20260518002382
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 Mark Kijek reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
807 CHILDRENS WAY
Jacksonville, FL 32207
  • Reassigned Medicare billing, Delaware enrollment
  • 526 clinicians in this Medicare group
Neurological Surgery
8600 OLD GEORGETOWN RD
Bethesda, MD 20814
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
Neonatal-Perinatal Medicine
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 26 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 72205 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
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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.

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 Mark Kijek's NPI number?

The NPI number for Mark Kijek is 1790244614. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Mark Kijek located?

Mark Kijek practices at 4301 W Markham St # 512-5b, Little Rock, AR 72205. The listed phone number is (501) 525-3580.

What is Mark Kijek's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mark Kijek enrolled in Medicare?

Yes. Mark Kijek is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Kijek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kijek reassigns Medicare benefits to 3 organizations: The Nemours Foundation (Jacksonville, FL), Johns Hopkins University (Bethesda, MD) and Johns Hopkins University (Baltimore, MD). 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 Mark Kijek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Kijek accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage, Highmark Blue Cross Blue Shield Delaware and Octave list Mark Kijek 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 Mark Kijek was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.