Active NPI
Gretchen M Heringhaus, AA
- Anesthesiologist Assistant
- Westerville, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiologist Assistant
- License
- 67.000192
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
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
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
- Mount Carmel New Albany Surgical Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Associate of Arts
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Osu Observation Medicine, LLC | Current | 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.
-
- Anesthesiology Physician
- Columbus, OH
- NPI 1407095052
-
- Specialist
- Westerville, OH
- NPI 1457420580
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Westerville, OH
- NPI 1417037045
-
- General Acute Care Hospital
- New Albany, OH
- NPI 1770668568
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.