Active NPI
Christopher Hardin
- Physician Assistant
- Marietta, GA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 12972
- Practice address
- 3600 Sandy Plains Rd
Marietta, GA 30066-3020 - Phone
- (770) 977-4547
- Fax
- (770) 977-8354
- NPI assigned
- Sep 5, 2023
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 12972 | GA | Primary |
Addresses
Primary practice location
3600 Sandy Plains Rd
Marietta, GA 30066-3020
Mailing address
3600 Sandy Plains Rd
Marietta, GA 30066-3020
Phone (770) 977-4547
Other practice location 1
613 Glen Willow Dr
Knoxville, TN 37934-1705
Phone (865) 256-6564
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | chardin620942@directwellstar.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in GA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250317003598 | GA | Practitioner - Physician Assistant | 4981126174 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1025 E W Connector
Suite 520
Austell, GA 30106-8532
Phone (678) 273-3071
120 Greystone Power Blvd
Dallas, GA 30157-8297
2710 Fairburn Rd
Douglasville, GA 30135-2942
Phone (943) 202-8640
3600 Sandy Plains Rd
Marietta, GA 30066-3020
Phone (770) 977-4547
3980 Jiles Rd NW
Kennesaw, GA 30144-1109
Phone (678) 504-0100
5150 Stilesboro N W Rd
Suite 220
Kennesaw, GA 30152-7742
Phone (770) 424-8222
5655 Atlanta Hwy
Alpharetta, GA 30004-5208
Phone (770) 691-0819
662 Carrollton Villa Rica Hwy
Villa Rica, GA 30180-4969
8901 Stonebridgde Blvd
Suite 100
Douglasville, GA 30134-2253
Phone (943) 202-7100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Wellstar Cardiovascular Medicine, LLC | Past | Accepting new patients |
Locations
4550 Cobb Parkway North NW
Ste 101
Acworth, GA 30101
Phone (470) 956-0100
5655 Highway 9 N
Ste A
Alpharetta, GA 30004
Phone (770) 343-6364
5150 Stilesboro Rd NW
Ste 220
Kennesaw, GA 30152
Phone (770) 424-8222
3747 Roswell Rd
Ste 107
Marietta, GA 30062
Phone (470) 956-0150
3600 Sandy Plains Rd
Marietta, GA 30066
Phone (770) 977-4547
Interoperability endpoints
- chardin620942@directwellstar.org
Organizations & group practices 4
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.
-
- Family Medicine Physician
- Powder Springs, GA
- NPI 1093011603
-
- Multi-Specialty Clinic/Center
- Marietta, GA
- NPI 1275992240
-
- Cardiovascular Disease Physician
- Marietta, GA
- NPI 1457320319
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1693872000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775520000000",
"number": "1235915224",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3600 SANDY PLAINS RD",
"city": "MARIETTA",
"state": "GA",
"postal_code": "300663020",
"telephone_number": "770-977-4547",
"fax_number": "770-977-8354"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3600 SANDY PLAINS RD",
"city": "MARIETTA",
"state": "GA",
"postal_code": "300663020",
"telephone_number": "770-977-4547",
"fax_number": "770-977-8354"
}
],
"practiceLocations": [
{
"address_1": "613 Glen Willow Dr",
"address_purpose": "LOCATION",
"city": "Knoxville",
"state": "TN",
"postal_code": "379341705",
"country_code": "US",
"telephone_number": "865-256-6564",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HARDIN",
"first_name": "CHRISTOPHER",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-09-05",
"last_updated": "2026-04-07",
"certification_date": "2026-04-07",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "GA",
"license": "12972",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "chardin620942@directwellstar.org",
"affiliation": "N",
"address_1": "3600 Sandy Plains Rd",
"city": "Marietta",
"state": "GA",
"country_code": "US",
"postal_code": "300663020",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Marietta, GA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2026; 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.