Individual provider Active NPI

John P Kolnik, D.O.

  • Gastroenterology Physician
  • Haddon Heights, NJ
National Provider Identifier
1902894496
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
25MB06094100 Issued in NJ
Practice address
120 White Horse Pike Ste 103E
Haddon Heights, NJ 08035-1938
Phone
(856) 547-1661
Fax
(856) 547-6117
NPI assigned
Oct 10, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 25MB06094100 NJ Primary
Specialist 174400000X 25MB06094100 NJ

Addresses

Primary practice location

120 White Horse Pike Ste 103E
Haddon Heights, NJ 08035-1938

Mailing address

301 Lippincott Dr Ste 410
Marlton, NJ 08053-4197
Phone (856) 355-0340

Other practice location 1

1000 Atlantic Ave Ste 205B
Camden, NJ 08104-1132
Phone (856) 237-8045

Other identifiers 1

IdentifierTypeStateIssuer
727420303MedicaidNJ

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address jkolnik18630@directvirtua.org
Direct Messaging Address jkolnik18630@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
I20101021001199 NJ Practitioner - Gastroenterology 9436259603 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Philadelphia College of Osteopathic Medicine, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Virtua Medical Group, PAGroup PAC ID 9830222397, 1,678 clinicians

Practice addresses (Care Compare)

1000 Atlantic Ave
Camden, NJ 08104-1132

1600 Haddon Ave
Camden, NJ 08103-3101

217 White Horse Pike
Haddon Heights, NJ 08035-1703
Phone (856) 547-1212

3242 Route 206
Bordentown, NJ 08505-4517

502 Centennial Blvd
Suite 3
Voorhees, NJ 08043-9544
Phone (856) 751-2300

Hospital & facility affiliations

  • Virtua Our Lady of Lourdes Hospital Hospital, Camden, NJ, CCN 310029
  • West Jersey Hospital Hospital, Voorhees, NJ, CCN 310022

Merit-based Incentive Payment System (MIPS)

Final score
81.15 of 100Reported as group
Quality
62.28
Promoting interoperability
100
Improvement activities
40
Cost
74.89

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy138
Upper gastrointestinal (GI) endoscopy for acid reflux143

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MB06094100NJMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Virtua Medical Group, PA Gastroenterology Current Accepting new patients
Virtua Medical Group, PA CurrentSince Nov 1, 2020 Accepting new patients

Locations

3242 Route 206
Ste 2
Bordentown, NJ 08505
Phone (609) 298-4340

1000 Atlantic Ave
Ste 205B
Camden, NJ 08104
Phone (856) 751-2300

1600 Haddon Ave
Camden, NJ 08103
Phone (609) 757-3500

217 White Horse Pike
Haddon Hts, NJ 08035
Phone (856) 547-1212

301 Lippincott Dr
Ste 410
Marlton, NJ 08053

502 Centennial Blvd
Ste 3
Voorhees, NJ 08043
Phone (856) 751-2300

Interoperability endpoints

  • Direct secure messaging: jkolnik18630@directvirtua.org

Organizations & group practices 2

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.

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": "1128902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1902894496",
    "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": "856-355-0340",
            "fax_number": "856-355-0330"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 WHITE HORSE PIKE STE 103E",
            "city": "HADDON HEIGHTS",
            "state": "NJ",
            "postal_code": "080351938",
            "telephone_number": "856-547-1661",
            "fax_number": "856-547-6117"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Atlantic Ave Ste 205B",
            "address_purpose": "LOCATION",
            "city": "Camden",
            "state": "NJ",
            "postal_code": "081041132",
            "country_code": "US",
            "telephone_number": "856-237-8045",
            "fax_number": "856-751-2333",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOLNIK",
        "first_name": "JOHN",
        "middle_name": "P",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-10",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NJ",
            "license": "25MB06094100",
            "primary": true
        },
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "NJ",
            "license": "25MB06094100",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "727420303",
            "state": "NJ"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jkolnik18630@directvirtua.org",
            "affiliation": "N",
            "address_1": "120 White Horse Pike Ste 103E",
            "city": "Haddon Heights",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "080351938",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jkolnik18630@directvirtua.org",
            "affiliation": "N",
            "address_1": "1000 Atlantic Ave Ste 205B",
            "city": "Camden",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "081041132",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Haddon Heights, NJ

Sources for this page

Verify at the official NPI Registry.