Individual provider Active NPI

Gregory G Ewing, PA

  • Physician Assistant
  • Somerville, NJ
National Provider Identifier
1821278433
Registry record updated Jun 28, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
25MP00029600 Issued in NJ
Practice address
110 Rehill Ave
Somerville, NJ 08876-2519
Phone
(908) 685-2200
Fax
(732) 923-2272
NPI assigned
Nov 12, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 28, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 25MP00029600 NJ Primary

Addresses

Primary practice location

110 Rehill Ave
Somerville, NJ 08876-2519

Mailing address

379 Campus Dr
FL 4 Credentialing
Somerset, NJ 08873-1161
Phone (732) 937-8939

Other identifiers 1

IdentifierTypeStateIssuer
527111OtherNJMEDICARE RAILROAD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, DC, PA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20080211000061 NJ Practitioner - Physician Assistant 6709969009 Reassigns benefits to 2 organizations
I20230717000376 DC Practitioner - Physician Assistant 6709969009 Reassigns benefits to 1 organization
I20230907002040 PA Practitioner - Physician Assistant 6709969009 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Evangelical Medical Services OrganizationGroup PAC ID 9133033087, 255 clinicians
Robert Wood Johnson Medical AssociatesGroup PAC ID 8628065117, 9 clinicians

Practice addresses (Care Compare)

1 Hospital Dr
Lewisburg, PA 17837-9350
Phone (570) 522-2000

1 Robert Wood Johnson PL
New Brunswick, NJ 08901-1928
Phone (732) 828-3000

110 Rehill Ave
Somerville, NJ 08876-2519
Phone (732) 369-5972

3 Hospital Dr
Lewisburg, PA 17837-9394

Hospital & facility affiliations

  • Wellspan Evangelical Community Hospital Hospital, Lewisburg, PA, CCN 390013
  • Robert Wood Johnson University Hospital - Somerset Hospital, Somerville, NJ, CCN 310048

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group CurrentSince Dec 1, 2025 Accepting new patients
Wellspan Medical Group Current Accepting new patients
Barnabas Health Medical Group PC CurrentSince May 6, 2024 Accepting new patients
Barnabas Health Medical Group PC CurrentSince May 6, 2024 Accepting new patients
Evangelical Medical Services Organization CurrentSince Mar 20, 2024 Accepting new patients
Fayette Physician Network Inc CurrentSince May 7, 2024 Accepting new patients
Evangelical Medical Services Organization CurrentSince Mar 20, 2024 Accepting new patients
Wellspan Medical Group CurrentSince Dec 1, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince Jul 3, 2023 Accepting new patients
Fayette Physician Network Inc Physician Assistant CurrentSince May 7, 2024 Accepting new patients
Wellspan Medical Group Physician Assistant Past Accepting new patients

Locations

475 Route 70
Ste 101
Lakewood, NJ 08701
Phone (732) 364-8000

94 Old Short Hills Rd
Livingston, NJ 07039
Phone (973) 322-5400

1 Rwj Pl
New Brunswick, NJ 08901
Phone (732) 235-7887

379 Campus Dr
Fl 4
Somerset, NJ 08873
Phone (732) 507-6545

110 Rehill Ave
Somerville, NJ 08876
Phone (908) 429-5833

3 Hospital Dr
Ste 206
Lewisburg, PA 17837
Phone (570) 522-9771

3 Hospital Dr
Ste 318
Lewisburg, PA 17837
Phone (570) 522-1007

25 Lystra Rogers Dr
Lewisburg, PA 17837
Phone (570) 523-3290

201 Mary Higginson Ln
Uniontown, PA 15401
Phone (724) 430-5940

500 W Berkeley St
Uniontown, PA 15401
Phone (724) 430-5000

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

1600 S George St
York, PA 17403
Phone (717) 848-3615

Interoperability endpoints

  • Direct secure messaging: gewing42204@epicdirect.rwjbh.org

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1194825600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1719532800000",
    "number": "1821278433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "379 CAMPUS DR",
            "address_2": "FL 4 CREDENTIALING",
            "city": "SOMERSET",
            "state": "NJ",
            "postal_code": "088731161",
            "telephone_number": "732-937-8939",
            "fax_number": "732-418-8372"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 REHILL AVE",
            "city": "SOMERVILLE",
            "state": "NJ",
            "postal_code": "088762519",
            "telephone_number": "908-685-2200",
            "fax_number": "732-923-2272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EWING",
        "first_name": "GREGORY",
        "middle_name": "G",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-11-12",
        "last_updated": "2024-06-28",
        "certification_date": "2024-06-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NJ",
            "license": "25MP00029600",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "527111",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Somerville, NJ

Sources for this page

Verify at the official NPI Registry.