Individual provider Active NPI

John F Kessler, MD

  • Hematology & Oncology Physician
  • Cambridge, OH
National Provider Identifier
1598760274
Registry record updated Apr 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
35.059610 Issued in OH
Practice address
1455 Clark St
Cambridge, OH 43725-9617
Phone
(740) 439-2771
NPI assigned
Jun 17, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 35.059610 OH Primary
Specialist 174400000X 0101045128 VA

Addresses

Primary practice location

1455 Clark St
Cambridge, OH 43725-9617

Mailing address

5900 Lake Wright Dr
Suite 300
Norfolk, VA 23502-1871
Phone (757) 213-5700

Other practice location 1

1051 Loftis Blvd
Suite 100
Newport News, VA 23606-3069
Phone (757) 873-9400

Other identifiers 3

IdentifierTypeStateIssuer
006036384MedicaidVA
110054753OtherVARAILROAD MEDICARE
55095OtherVAOPTIMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, NC, OH3 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
I20091113000299 VA Practitioner - Hematology/Oncology 0345388237
I20241218001856 NC Practitioner - Hematology/Oncology 0345388237 Reassigns benefits to 1 organization
I20260428000320 OH Practitioner - Hematology/Oncology 0345388237 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Virginia Oncology AssociatesGroup PAC ID 2769395797, 100 clinicians
Ohiohealth CorporationGroup PAC ID 6305758426, 2,295 clinicians

Practice addresses (Care Compare)

1051 Loftis Blvd
Suite 100
Newport News, VA 23606-3069
Phone (757) 873-9400

1341 Clark St
Cambridge, OH 43725-9614
Phone (740) 435-2350

905 Thunder Rd
Elizabeth City, NC 27909-7672
Phone (252) 331-2044

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35.059610OHMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Oncology Associates Specialist CurrentSince Dec 15, 1995 Accepting new patients
Virginia Oncology Associates CurrentSince Dec 15, 1995 Accepting new patients
Ohiohealth Corporation Hematology & Oncology Past Accepting new patients
Southeastern Ohio Regional Medical Center Inc PastSince Apr 27, 2015 Accepting new patients

Locations

905 Thunder Rd
Ste 250
Elizabeth City, NC 27909
Phone (252) 331-2044

1503 N Road St
#B
Elizabeth Cty, NC 27909
Phone (252) 331-2044

744 Battlefield Blvd N
#200
Chesapeake, VA 23320
Phone (757) 549-4403

3000 Coliseum Dr
Ste 104
Hampton, VA 23666
Phone (757) 827-9400

1051 Loftis Blvd
Ste 100
Newport News, VA 23606
Phone (757) 873-9400

5900 Lake Wright Dr
Norfolk, VA 23502
Phone (757) 466-8683

5900 Lake Wright Dr
Ste 300
Norfolk, VA 23502
Phone (757) 466-8683

6251 E Virginia Beach Blvd
Ste 200
Norfolk, VA 23502
Phone (757) 466-8683

2790 Godwin Blvd
Ste 101
Suffolk, VA 23434
Phone (757) 539-0670

3910 Bridge Rd
Ste 400
Suffolk, VA 23435
Phone (757) 484-0215

1950 Glenn Mitchell Dr
Ste 102
Virginia Beach, VA 23456
Phone (757) 368-0437

3901 Treyburn Dr
Ste 2A
Williamsburg, VA 23185
Phone (757) 229-2236

500 Sentara Cir
Ste 203
Williamsburg, VA 23188
Phone (757) 229-2236

Interoperability endpoints

  • Direct secure messaging: john.kessler@voa.ikm.direct-ci.com
  • Direct secure messaging: john.kessler.1@19847.direct.athenahealth.com

Organizations & group practices 4

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 7

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": "1118966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1598760274",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5900 LAKE WRIGHT DR",
            "address_2": "SUITE 300",
            "city": "NORFOLK",
            "state": "VA",
            "postal_code": "235021871",
            "telephone_number": "757-213-5700",
            "fax_number": "757-213-5701"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1455 CLARK ST",
            "city": "CAMBRIDGE",
            "state": "OH",
            "postal_code": "437259617",
            "telephone_number": "740-439-2771"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1051 Loftis Blvd",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Newport News",
            "state": "VA",
            "postal_code": "236063069",
            "country_code": "US",
            "telephone_number": "757-873-9400",
            "fax_number": "757-873-9420",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KESSLER",
        "first_name": "JOHN",
        "middle_name": "F",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-17",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "OH",
            "license": "35.059610",
            "primary": true
        },
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "VA",
            "license": "0101045128",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "006036384",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "110054753",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OPTIMA",
            "identifier": "55095",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, OH

Sources for this page

Verify at the official NPI Registry.