Individual provider Active NPI

Kenneth D. Allen, DO

  • Gastroenterology Physician
  • Hilliard, OH
National Provider Identifier
1669835377
Registry record updated Apr 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
34.013632 Issued in OH
Practice address
3721 Ridge Mill Dr
Hilliard, OH 43026-9554
Phone
(614) 293-6255
Fax
(614) 293-8518
NPI assigned
Mar 30, 2016
Last updated
Apr 16, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 16, 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 34.013632 OH Primary

Addresses

Primary practice location

3721 Ridge Mill Dr
Hilliard, OH 43026-9554

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 293-6255

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address kallen387167@direct.osumc.edu

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
I20230714003448 OH Practitioner - Gastroenterology 4587952155 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Midwestern University, Chicago College of Osteopathic Med, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians

Practice addresses (Care Compare)

410 W 10TH Ave
Columbus, OH 43210-1240
Phone (614) 293-8000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy46
Upper gastrointestinal (GI) endoscopy for acid reflux67

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
34.013632OHMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lima Memorial Joint Operating Company Past Accepting new patients

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.

Hospital & facility affiliations 4

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": "1459296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1669835377",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD STE 2120",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-293-6255",
            "fax_number": "614-293-8518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3721 RIDGE MILL DR",
            "city": "HILLIARD",
            "state": "OH",
            "postal_code": "430269554",
            "telephone_number": "614-293-6255",
            "fax_number": "614-293-8518"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "KENNETH",
        "middle_name": "D.",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-30",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "34.013632",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kallen387167@direct.osumc.edu",
            "affiliation": "N",
            "address_1": "410 W 10th Ave",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432101240",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Hilliard, OH

Sources for this page

Verify at the official NPI Registry.