Omar Mahmoud, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

C1-0026494 Issued in DE

Practice address

1535 Savannah Rd
Lewes, DE 19958-1611

Phone

(302) 645-3232

Fax

(888) 987-4308

NPI assigned

Jul 2, 2018

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DE

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Beebe Physician Network Inc.Group PAC ID 5496744864, 301 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beebe Medical Center Hospital, Lewes, DE, CCN 080007
• Bayhealth Hospital, Sussex Campus Hospital, Milford, DE, CCN 080009
• Thomas Jefferson University Hospital Hospital, Philadelphia, PA, CCN 390174

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: omahmoud23863@beebehealth.direct-ci.com
• FHIR API: https://api.platform.athenahealth.com/6835/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Beebe Physician Network Inc.

  • Internal Medicine Physician
  • Lewes, DE
  • NPI 1730133992
  Medicare reassignment Care Compare group NPD
• Beebe Physician Network, Inc.

  • Student Health Clinic/Center
  • Georgetown, DE
  • NPI 1003694688
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Milford, DE
  • NPI 1023006434
  Care Compare affiliation
• Beebe Medical Center, Inc.

  • General Acute Care Hospital
  • Lewes, DE
  • NPI 1821196486
  Care Compare affiliation
• Thomas Jefferson University Hospitals Inc

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1215916002
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1530489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1609362748",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1515 SAVANNAH RD FL 2",
            "city": "LEWES",
            "state": "DE",
            "postal_code": "199581675",
            "telephone_number": "302-645-3499",
            "fax_number": "302-644-4830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1535 SAVANNAH RD",
            "city": "LEWES",
            "state": "DE",
            "postal_code": "199581611",
            "telephone_number": "302-645-3232",
            "fax_number": "888-987-4308"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "424 Savannah Rd",
            "address_purpose": "LOCATION",
            "city": "Lewes",
            "state": "DE",
            "postal_code": "199581462",
            "country_code": "US",
            "telephone_number": "302-645-3232",
            "fax_number": "888-987-4308",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAHMOUD",
        "first_name": "OMAR",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-07-02",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DE",
            "license": "C1-0026494",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen M Madden, LCSW
• Kenneth C Madden Jr., PSYCHOLOGIST
• Millicent Madison
• Rhonda Magee
• Zachary Magner, DO
• Sandra Lee Mains, RN
• Alison Nicole Makowski, RN
• Jessica Malicki, RN
• Jana Mallory, RN
• Brittany Ann Malone, MS, LPCMH

• Internal Medicine Physician in Lewes, DE
• Providers in Lewes, DE by specialty
• Internal Medicine Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.