Individual provider Active NPI

John R. Kalmar

  • Oral and Maxillofacial Pathology Dentistry
  • Columbus, OH
National Provider Identifier
1952464109
Registry record updated Aug 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral and Maxillofacial Pathology DentistryTaxonomy code 1223P0106X
License
020958 Issued in OH
Practice address
300 Marconi Blvd Ste 308
Columbus, OH 43215-2329
Phone
(503) 906-7300
NPI assigned
Dec 19, 2006
Last updated
Aug 1, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Oral and Maxillofacial Pathology Dentistry 1223P0106X 020958 OH Primary

Addresses

Primary practice location

300 Marconi Blvd Ste 308
Columbus, OH 43215-2329

Mailing address

225 Beech Trail CT
Powell, OH 43065-9666
Phone (614) 885-0488

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
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
I20120221000810 OH Practitioner - Pathology 3375701402 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

300 Marconi Blvd
Suite 308
Columbus, OH 43215-2329
Phone (503) 906-7300

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
020958OHMDOral and Maxillofacial Pathology Dentist

Practice roles

OrganizationSpecialtyStatusNew patients
Kristin McNamara, DDS, LLC Oral and Maxillofacial Pathology CurrentSince Jun 2, 2025 Accepting new patients
Dental Faculty Practice Assoc Inc - Paul S. Casamassimo DDS Current Accepting new patients

Locations

300 Marconi Blvd
Ste 308
Columbus, OH 43215

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1166486400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1952464109",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 BEECH TRAIL CT",
            "city": "POWELL",
            "state": "OH",
            "postal_code": "430659666",
            "telephone_number": "614-885-0488"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 MARCONI BLVD STE 308",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432152329",
            "telephone_number": "503-906-7300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KALMAR",
        "first_name": "JOHN",
        "middle_name": "R.",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-19",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0106X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Pathology",
            "state": "OH",
            "license": "020958",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.