Individual provider Active NPI

Chelsea Deffenbaugh, CNP

  • Acute Care Nurse Practitioner
  • Columbus, OH
National Provider Identifier
1033788799
Registry record updated Dec 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
APRN.CNP.0029343 Issued in OH
Practice address
410 W 10TH Ave
Columbus, OH 43210-1240
Phone
(614) 293-4925
NPI assigned
Jun 17, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 2, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X APRN.CNP.0029343 OH Primary

Addresses

Primary practice location

410 W 10TH Ave
Columbus, OH 43210-1240

Mailing address

700 Ackerman Rd Ste 2120
Columbus, OH 43202-1559
Phone (614) 293-4925

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210928003001 OH Practitioner - Nurse Practitioner 4486051893 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
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)

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

  • Ohio State University State Health System Hospital, Columbus, OH, CCN 360085
  • James Cancer Hospital & Solove Research Institute Hospital, Columbus, OH, CCN 360242

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Osu Internal Medicine, LLC CurrentSince Aug 21, 2021 Accepting new patients

Locations

700 Ackerman Rd
Ste 2120
Columbus, OH 43202

410 W 10th Ave
Columbus, OH 43210
Phone (614) 293-5905

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

Organizations & group practices 1

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 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": "1623888000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1033788799",
    "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": "614-293-4925",
            "fax_number": "614-293-7520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "410 W 10TH AVE",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432101240",
            "telephone_number": "614-293-4925"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEFFENBAUGH",
        "first_name": "CHELSEA",
        "credential": "CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-17",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "OH",
            "license": "APRN.CNP.0029343",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbus, OH

Sources for this page

Verify at the official NPI Registry.