Doctor profile · Federal record

Dr. Omar Mahmoud, MD

Internal Medicine Physician (CMS: Internal Medicine) · Lewes, DE

  • NPI 1609362748
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1535 Savannah RD
Lewes, DE 199581611
(302) 645-3232
fax (888) 987-4308
Additional location
424 Savannah RD
Lewes, DE 199581462
Mailing address
1515 Savannah RD Fl 2
Lewes, DE 199581675

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
January 21, 2026
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Delaware #C1-0026494

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609362748. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$423
Transactions
11
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $181.06
SANOFI-AVENTIS U.S. LLC 1 $78.99
GENZYME CORPORATION 2 $63.44
Harmony Biosciences Llc 1 $38.74
Gilead Sciences, Inc. 1 $24.79
United Therapeutics Corporation 1 $21.84
Electromed, Inc. 1 $13.90

By nature of payment

Food and Beverage
$344
Education
$79

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Mahmoud's medical specialty?
Dr. Omar Mahmoud practices Internal Medicine Physician in Lewes, DE.
Where does Dr. Omar Mahmoud practice?
Dr. Omar Mahmoud practices at 1535 Savannah RD, Lewes, DE 199581611. Office phone: 3026453232.
What is Dr. Omar Mahmoud's NPI?
Dr. Omar Mahmoud's National Provider Identifier (NPI) is 1609362748, issued by NPPES.
Does Dr. Omar Mahmoud accept Medicare assignment?
Yes. Dr. Omar Mahmoud accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.