Individual provider Active NPI

George Nassar, MD

  • Pediatric Emergency Medicine (Emergency Medicine) Physician
  • Falls Church, VA
National Provider Identifier
1831652924
Registry record updated Sep 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X
License
MD489076 Issued in PA
Practice address
3300 Gallows Rd
Falls Church, VA 22042-3307
Phone
(610) 428-5659
NPI assigned
Apr 7, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X 0101274871 VA
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X MD489076 PA Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

3300 Gallows Rd
Falls Church, VA 22042-3307

Mailing address

2100 Mack Blvd FL 4
Allentown, PA 18103-5622

Other practice location 1

1200 S Cedar Crest Blvd
Allentown, PA 18103-6202
Phone (610) 402-9750

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA, PA3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20221213000607 DC Practitioner - Pediatric MedicinePractitioner - Emergency Medicine 0143699256 Reassigns benefits to 1 organization
I20250226002575 VA Practitioner - Emergency Medicine 0143699256 Reassigns benefits to 1 organization
I20251013000784 PA Practitioner - Emergency Medicine 0143699256 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2100 Mack Blvd
FL 4
Allentown, PA 18103-5622

Merit-based Incentive Payment System (MIPS)

Final score
81.6 of 100Reported as group
Quality
76.36
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Lehigh Valley Physician Group CurrentSince Sep 29, 2025 Accepting new patients
Commonwealth Emergency Physicians PC CurrentSince Dec 7, 2024 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Jan 1, 2024 Accepting new patients
Lehigh Valley Physician Group Current Accepting new patients
Lehigh Valley Physician Group CurrentSince Sep 29, 2025 Accepting new patients
Emergency Medicine Associates P.a., P.C. Pediatric Emergency Medicine CurrentSince Jan 1, 2024 Accepting new patients
Commonwealth Emergency Physicians PC PastSince Apr 17, 2020 Accepting new patients

Locations

5255 Loughboro Rd NW
Washington, DC 20016
Phone (202) 243-2280

2100 Mack Blvd
Fl 4
Allentown, PA 18103

1200 S Cedar Crest Blvd
Allentown, PA 18103
Phone (484) 862-3200

320 W Pumping Station Rd
Quakertown, PA 18951
Phone (215) 529-4240

1701 N George Mason Dr
Arlington, VA 22205
Phone (703) 558-5000

22505 Landmark Ct
Ashburn, VA 20148
Phone (571) 472-6464

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040

224 Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

Interoperability endpoints

  • Direct secure messaging: gnassar1793679@direct2.lvhn.org

Organizations & group practices 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1554595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1831652924",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2100 MACK BLVD FL 4",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181035622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3300 GALLOWS RD",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220423307",
            "telephone_number": "610-428-5659"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1200 S Cedar Crest Blvd",
            "address_purpose": "LOCATION",
            "city": "Allentown",
            "state": "PA",
            "postal_code": "181036202",
            "country_code": "US",
            "telephone_number": "610-402-9750",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NASSAR",
        "first_name": "GEORGE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-07",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0204X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Emergency Medicine",
            "state": "VA",
            "license": "0101274871",
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "PA",
            "license": "MD489076",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Falls Church, VA

Sources for this page

Verify at the official NPI Registry.