Individual provider Active NPI

Gretchen M Heringhaus, AA

  • Anesthesiologist Assistant
  • Westerville, OH
National Provider Identifier
1891029880
Registry record updated Jun 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiologist AssistantTaxonomy code 367H00000X
License
67.000192 Issued in OH
Practice address
500 S Cleveland Ave
Anesthesia Dept/Coa
Westerville, OH 43081-8971
Phone
(614) 898-6659
Fax
(614) 898-8631
NPI assigned
Sep 24, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 27, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiologist Assistant 367H00000X 67.000192 OH Primary

Addresses

Primary practice location

500 S Cleveland Ave
Anesthesia Dept/Coa
Westerville, OH 43081-8971

Mailing address

5620 Silver Falls St
Dublin, OH 43016-7847
Phone (419) 236-1868

Other practice location 1

2121 Kenny Rd
Columbus, OH 43210-3100
Phone (614) 293-8487

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120525000558 OH Practitioner - Anesthesiology Assistant 8123165883 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology Assistant
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Osu Observation Medicine, LLCGroup PAC ID 3375692270, 423 clinicians
Consultant Anesthesiologists Inc.Group PAC ID 3577467109, 69 clinicians

Practice addresses (Care Compare)

410 W 10TH Ave
Columbus, OH 43210-1240
Phone (614) 293-8487

500 S Cleveland Ave
Westerville, OH 43081-8971
Phone (380) 898-4000

7333 Smiths Mill Rd
New Albany, OH 43054-9291
Phone (614) 775-6600

Hospital & facility affiliations

  • Mount Carmel St Ann'S Hospital, Westerville, OH, CCN 360012
  • Mount Carmel New Albany Surgical Hospital Hospital, New Albany, OH, CCN 360266

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Associate of Arts

Practice roles

OrganizationSpecialtyStatusNew patients
Osu Observation Medicine, LLC CurrentSince Aug 1, 2023 Accepting new patients

Locations

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

2121 Kenny Rd
Columbus, OH 43210
Phone (614) 293-7399

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 and National Provider Directory roles.

Hospital & facility affiliations 2

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": "1253750400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750982400000",
    "number": "1891029880",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5620 SILVER FALLS ST",
            "city": "DUBLIN",
            "state": "OH",
            "postal_code": "430167847",
            "telephone_number": "419-236-1868",
            "fax_number": "614-583-3300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 S CLEVELAND AVE",
            "address_2": "ANESTHESIA DEPT/COA",
            "city": "WESTERVILLE",
            "state": "OH",
            "postal_code": "430818971",
            "telephone_number": "614-898-6659",
            "fax_number": "614-898-8631"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2121 Kenny Rd",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432103100",
            "country_code": "US",
            "telephone_number": "614-293-8487",
            "fax_number": "614-293-8153",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HERINGHAUS",
        "first_name": "GRETCHEN",
        "middle_name": "M",
        "credential": "AA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-09-24",
        "last_updated": "2025-06-27",
        "certification_date": "2025-06-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "OH",
            "license": "67.000192",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Westerville, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.