OMAR JAMIL DIB DARWISH MBBS
NPI 1427736842
Internal Medicine in Little Rock, AR

Active since July 06, 2023PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST # 795, LITTLE ROCK, AR 72205(501) 686-5545(501) 526-5148 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 13, 2026, Jul 6, 2023 (2 updates tracked since 2023).

About Omar Jamil Dib Darwish Mbbs NPPES

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

OMAR JAMIL DIB DARWISH MBBS (NPI 1427736842) is an individual internal medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-20118) and active in the NPI registry since July 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1427736842
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameOMAR JAMIL DIB DARWISHCredential: MBBS
Location Address4301 W MARKHAM ST # 795Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000 · Fax (501) 526-5148
Fax(501) 526-5148
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 6, 2023
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1427736842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AR · E-20118
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.
4301 W MARKHAM ST # 795, Little Rock, AR 72205

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

Omar Jamil Dib Darwish Mbbs 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 ID5193189314
PECOS Enrollment IDI20260728003788
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 Omar Darwish reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advanced Practice Midwife
4301 W MARKHAM ST # 783
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 2,038 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
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine (Nephrology)
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205
Internal Medicine (Nephrology)
4301 W MARKHAM ST # 795
LITTLE ROCK, AR 72205

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 Omar Darwish's NPI number?

The NPI number for Omar Darwish is 1427736842. It was assigned to this individual provider in the NPPES registry on July 6, 2023.

Where is Omar Darwish located?

Omar Darwish practices at 4301 W Markham St # 795, Little Rock, AR 72205. The listed phone number is (501) 686-5545.

What is Omar Darwish's specialty?

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

Is Omar Darwish enrolled in Medicare?

Yes. Omar Darwish 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 Omar Darwish's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Darwish reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). 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 Omar Darwish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Omar Darwish accept?

Health plans from Health Advantage and Octave list Omar Darwish 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 Omar Darwish was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.