OMAR MAHMOUD MD
NPI 1609362748
Internal Medicine in Lewes, DE

Q: What is Omar Mahmoud's NPI number?

The NPI number for Omar Mahmoud is 1609362748. It was assigned to this individual provider in the NPPES registry on July 2, 2018.

Q: What is Omar Mahmoud's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Omar Mahmoud was last updated on January 21, 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.

Active since July 02, 2018PECOS EnrolledAccepts Medicare Assignment

1535 SAVANNAH RD, LEWES, DE 19958(302) 645-3232(888) 987-4308 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 21, 2026, Jul 16, 2024, Jul 2, 2018 (3 updates tracked since 2018).

On this page

About Omar Mahmoud Md NPPES

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

OMAR MAHMOUD MD (NPI 1609362748) is an individual internal medicine provider in Lewes, Delaware, licensed in Delaware (C1-0026494) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and maintains a secondary practice location in Lewes.

NPPES Registry Identity

NPI1609362748

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameOMAR MAHMOUDCredential: MD

Location Address1535 SAVANNAH RDLewes, DE 19958-1611

Mailing Address1515 Savannah Rd Fl 2Lewes, DE 19958-1675 · (302) 645-3499 · Fax (302) 644-4830

Phone(302) 645-3232

Fax(888) 987-4308

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateJuly 2, 2018

Last NPPES UpdateJanuary 21, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 21, 2026

✔ NPI 1609362748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in DE · C1-0026494

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.

1535 SAVANNAH RD, Lewes, DE 19958

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Secondary Practice Location 1

Location 1424 Savannah RdLewes, DE 19958-1462 · Phone (302) 645-3232 · Fax (888) 987-4308

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Omar Mahmoud 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 ID5496091712

PECOS Enrollment IDI20250304001378

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.

Hospital Affiliations CMS Care Compare

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

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390174

Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19958 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

$131.15 typical visit price

range $57.12 – $173.08

Typical copayment $32.78 (range $14.28 – $43.27)

Most-billed visit code 99204

Established Patient

$100.68 typical visit price

range $18.36 – $141.05

Typical copayment $25.17 (range $4.59 – $35.26)

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 17

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

DR. JEFFREY M SCHULMAN M. D.

Obstetrics & Gynecology