Individual provider Active NPI

Melissa Ann Diener, M.D.

  • Gastroenterology Physician
  • Sewell, NJ
National Provider Identifier
1316106347
Registry record updated May 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
25MA09438500 Issued in NJ
Practice address
239 Hurffville Crosskeys Rd Ste 490
Sewell, NJ 08080-4013
Phone
(856) 237-8045
Fax
(856) 237-8047
NPI assigned
Jun 5, 2008
Last updated
May 8, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 25MA09438500 NJ Primary

Addresses

Primary practice location

239 Hurffville Crosskeys Rd Ste 490
Sewell, NJ 08080-4013

Mailing address

301 Lippincott Dr Ste 410
Marlton, NJ 08053-4197
Phone (856) 237-8045

Other practice location 1

3205 Fire Rd
Suite 4
Egg Harbor Township, NJ 08234-5884
Phone (609) 407-1220

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mdiener282155@directvirtua.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
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

Enrollment IDStateProvider typePAC IDDetails
I20140730000139 NJ Practitioner - GastroenterologyPractitioner - Internal Medicine 9335365204 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
New York University School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Advocare, LLCGroup PAC ID 3678562188, 383 clinicians
Virtua Medical Group, PAGroup PAC ID 9830222397, shared by 13 NPIs, 1,678 clinicians

Practice addresses (Care Compare)

175 Cross Keys Rd
Suite 300a
Berlin, NJ 08009-9263
Phone (856) 767-0077

239 Hurffville Crosskeys Rd
Suite 245
Sewell, NJ 08080-4006
Phone (856) 341-8300

3242 Route 206
Bordentown, NJ 08505-4517

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy91
Upper gastrointestinal (GI) endoscopy for acid reflux56

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Allied Digestive Health, LLC Gastroenterology CurrentSince May 28, 2021 Accepting new patients
Advocare, LLC CurrentSince Apr 6, 2024 Accepting new patients
Advocare , LLC CurrentSince Apr 6, 2024 Accepting new patients
Advocare , LLC Past Accepting new patients
Virtua Medical Group, PA Gastroenterology Past Accepting new patients
Atlantic Coast Gastroenterology Associates Gastroenterology Past Accepting new patients

Locations

132 Grove St
Ste A
Haddonfield, NJ 08033
Phone (856) 354-2211

401 Route 73 N
Ste 320
Marlton, NJ 08053
Phone (609) 471-1033

25 Lindsley Dr
Ste 205
Morristown, NJ 07960
Phone (973) 993-8777

408 Bethel Rd
Ste E
Somers Point, NJ 08244
Phone (609) 926-3330

1640 Route 88 W
Ste 202
Wall Township, NJ 08724
Phone (732) 370-2220

Interoperability endpoints

  • Direct secure messaging: mdiener282155@directvirtua.org
  • Direct secure messaging: melissa.diener@advocaredoctors.eclinicaldirectplus.com

Organizations & group practices 6

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

Hospital & facility affiliations 3

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": "1212624000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778198400000",
    "number": "1316106347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 LIPPINCOTT DR STE 410",
            "city": "MARLTON",
            "state": "NJ",
            "postal_code": "080534197",
            "telephone_number": "856-237-8045",
            "fax_number": "856-237-8047"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "239 HURFFVILLE CROSSKEYS RD STE 490",
            "city": "SEWELL",
            "state": "NJ",
            "postal_code": "080804013",
            "telephone_number": "856-237-8045",
            "fax_number": "856-237-8047"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3205 Fire Rd",
            "address_2": "SUITE 4",
            "address_purpose": "LOCATION",
            "city": "Egg Harbor Township",
            "state": "NJ",
            "postal_code": "082345884",
            "country_code": "US",
            "telephone_number": "609-407-1220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIENER",
        "first_name": "MELISSA",
        "middle_name": "ANN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-06-05",
        "last_updated": "2026-05-08",
        "certification_date": "2026-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NJ",
            "license": "25MA09438500",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mdiener282155@directvirtua.org",
            "affiliation": "N",
            "address_1": "239 Hurffville Crosskeys Rd Ste 490",
            "city": "Sewell",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "080804013",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Sewell, NJ

Sources for this page

Verify at the official NPI Registry.