Individual provider Active NPI

Nathan M. Denlinger, DO

  • Hematology (Internal Medicine) Physician
  • Columbus, OH
National Provider Identifier
1427444611
Registry record updated May 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
34.012735 Issued in OH
Practice address
460 W 10TH Ave
Columbus, OH 43210-1240
Phone
(614) 293-3196
Fax
(614) 293-4812
NPI assigned
Apr 14, 2015
Last updated
May 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X 34.012735 OH Primary

Addresses

Primary practice location

460 W 10TH Ave
Columbus, OH 43210-1240

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 293-3196

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
I20180615001616 OH Practitioner - HematologyPractitioner - Internal Medicine 4284944117 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HematologyAlso: Internal Medicine
Education
Oklahoma State University College of Osteopathic Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians

Practice addresses (Care Compare)

181 Taylor Ave
Columbus, OH 43203-1779
Phone (614) 257-3000

3900 Stoneridge LN
Dublin, OH 43017-2288
Phone (614) 366-5001

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

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

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

460 W 10TH Ave
Columbus, OH 43210-1240
Phone (800) 293-5066

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
34.012735OHMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Osu Internal Medicine, LLC Internal Medicine CurrentSince Jun 1, 2022 Accepting new patients
Arthur G James Cancer Hospital and Research Institute Past Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients

Locations

2050 Kenny Rd
Columbus, OH 43221
Phone (614) 293-8054

395 W 12th Ave
Fl 3
Columbus, OH 43210
Phone (614) 293-9812

460 W 10th Ave
Columbus, OH 43210
Phone (614) 293-3196

700 Ackerman Rd
Ste 2120
Columbus, OH 43202

700 Ackerman Rd
Ste 570
Columbus, OH 43202
Phone (614) 293-2046

3900 Stoneridge Ln
Dublin, OH 43017
Phone (614) 366-5001

Interoperability endpoints

  • Direct secure messaging: ndenlinger258018@direct.osumc.edu

Organizations & group practices 3

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": "1428969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1427444611",
    "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": "614-293-3196",
            "fax_number": "614-293-4812"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "460 W 10TH AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432101240",
            "telephone_number": "614-293-3196",
            "fax_number": "614-293-4812"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DENLINGER",
        "first_name": "NATHAN",
        "middle_name": "M.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-14",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "OH",
            "license": "34.012735",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.