Active NPI
George Russell Sontag IV, MD
- Emergency Medicine Physician
- Columbus, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 35.138721
- Practice address
- 3525 Olentangy River Rd Ste 5320
Columbus, OH 43214-3937 - Phone
- (301) 331-9953
- NPI assigned
- May 16, 2017
- Last updated
- Jul 22, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 35.138721 | OH | Primary |
Addresses
Primary practice location
3525 Olentangy River Rd Ste 5320
Columbus, OH 43214-3937
Mailing address
1219 E Long St
Columbus, OH 43203-1942
Phone (614) 266-8022
Other practice location 1
1430 Columbus Ave
Washington Court House, OH 43160-1703
Phone (740) 335-1210
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- Wright State University Boonshoft School of Medicine, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3535 Olentangy River Rd
Columbus, OH 43214-3908
Phone (614) 566-1997
543 Taylor Ave
Columbus, OH 43203-1278
Phone (614) 366-3687
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 35.138721 | OH | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Highland District Hospital | Current | Accepting new patients | |
| Highland District Hospital | Current | Accepting new patients | |
| Mid-Ohio Emergency Services, LLC | Emergency Medicine | Current | Accepting new patients |
| Osup Community Outreach LLC | Current | Accepting new patients | |
| Ohiohealth Urgent Care LLC | Current | Accepting new patients | |
| Mount Carmel Health Providers Inc | Past | Accepting new patients |
Locations
1643 NW 136th Ave
Ste 100
Sunrise, FL 33323
Phone (865) 500-1325
625 W Waterloo St
Canal Winchester, OH 43110
Phone (614) 355-3400
111 S Grant Ave
Columbus, OH 43215
Phone (614) 461-3232
3535 Olentangy River Rd
Columbus, OH 43214
Phone (614) 566-1997
410 W 10th Ave
Columbus, OH 43210
Phone (614) 293-5905
543 Taylor Ave
Columbus, OH 43203
Phone (614) 685-3333
Dept L3652
Columbus, OH 43260
6905 Hospital Dr
Ste 130
Dublin, OH 43016
Phone (614) 923-0300
2030 Stringtown Rd
Grove City, OH 43123
Phone (614) 566-0987
1275 N High St
Hillsboro, OH 45133
Phone (937) 393-5503
1010 Refugee Rd
Pickerington, OH 43147
Phone (614) 587-7601
6960 E Main St
Reynoldsburg, OH 43068
Phone (614) 788-9320
260 Polaris Pkwy
Westerville, OH 43082
Phone (614) 533-3470
6100 N Hamilton Rd
Westerville, OH 43081
Phone (614) 814-8100
1430 Columbus Ave
Wshngtn Ct Hs, OH 43160
Phone (740) 333-2705
Interoperability endpoints
- https://epicscripts.trihealth.com/fhirproxy/api/FHIR/R4/
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
Organizations & group practices 6
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.
-
- Neurology Physician
- Dublin, OH
- NPI 1699179929
-
- Critical Access Hospital
- Hillsboro, OH
- NPI 1225053119
-
- Urgent Care Clinic/Center
- Dublin, OH
- NPI 1811207160
-
dba Highland District Hospital Swing Bed Unit
- Medicare Defined Swing Bed Hospital Unit
- Hillsboro, OH
- NPI 1154699031
-
dba Pickerington Family Practice
- Family Medicine Physician
- Pickerington, OH
- NPI 1477729572
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Grant Medical Center
- General Acute Care Hospital
- Columbus, OH
- NPI 1255377149
-
dba Riverside Methodist Hospital
- General Acute Care Hospital
- Columbus, OH
- NPI 1467484972
-
dba OhioHealth Laboratory Systems
- Clinical Medical Laboratory
- Columbus, OH
- NPI 1710916945
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1494892800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753142400000",
"number": "1457888919",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1219 E LONG ST",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432031942",
"telephone_number": "614-266-8022"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3525 OLENTANGY RIVER RD STE 5320",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432143937",
"telephone_number": "301-331-9953"
}
],
"practiceLocations": [
{
"address_1": "1430 Columbus Ave",
"address_purpose": "LOCATION",
"city": "Washington Court House",
"state": "OH",
"postal_code": "431601703",
"country_code": "US",
"telephone_number": "740-335-1210",
"fax_number": "614-293-2809",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SONTAG",
"first_name": "GEORGE",
"middle_name": "RUSSELL",
"name_prefix": "Dr.",
"name_suffix": "IV",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-05-16",
"last_updated": "2025-07-22",
"certification_date": "2025-07-22",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "OH",
"license": "35.138721",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Columbus, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.