Active NPI
Karen T. Hamilton, M.D.
- Hospitalist Physician
- Austell, GA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 61784
- Practice address
- 3950 Austell Road
OB/GYN Hospitalists Office
Austell, GA 30106 - Phone
- (770) 732-4025
- Fax
- (770) 732-4023
- NPI assigned
- Oct 23, 2006
- Last updated
- May 12, 2026
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 80521 | AZ | |
| Obstetrics & Gynecology Physician | 207V00000X | 61784 | GA | |
| Hospitalist Physician | 208M00000X | 61784 | GA | Primary |
| Obstetrics & Gynecology Physician | 207V00000X | 51296 | TN |
Addresses
Primary practice location
3950 Austell Road
OB/GYN Hospitalists Office
Austell, GA 30106
Mailing address
3950 Austell Rd
Austell, GA 30106-1121
Phone (770) 732-4025
Other practice location 1
2400 S Avenue A
Yuma, AZ 85364-7127
Phone (928) 783-3050
Other practice location 2
3885 Princeton Lakes Way SW
Suite 412
Atlanta, GA 30331-5589
Phone (678) 365-2322
Other practice location 3
3885 Princeton Lakes Way SW
Suite 412
Atlanta, GA 30331-5589
Phone (678) 365-2322
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4142875 | Other | TN | BCBS |
| 342552785A | Medicaid | GA | |
| 342552785B | Medicaid | GA | |
| 342552785C | Medicaid | GA |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | khamilton31812@directwellstar.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in GA, AL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- Meharry Medical College School of Medicine, 2002
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3000 Hospital Blvd
Roswell, GA 30076-4915
Phone (770) 751-2912
5150 Stilesboro N W Rd
Suite 220
Kennesaw, GA 30152-7742
Phone (770) 424-8222
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.93 of 100
- Quality
- 82.14
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 80521 | AZ | MD | Obstetrics & Gynecology Physician |
| 61784 | GA | MD | Obstetrics & Gynecology Physician |
| 51296 | TN | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Brookwood Womens Health PC | Obstetrics & Gynecology | Current | Accepting new patients |
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Wellstar Medical Group, LLC | Current | Accepting new patients | |
| Obhg Georgia, P.C. | Obstetrics & Gynecology | Current | Accepting new patients |
| Southcare Physicians Group Obstetrics & Gynecology | Obstetrics & Gynecology | Past | Accepting new patients |
| BBH Women's Care, LLC | Obstetrics & Gynecology | Past | Accepting new patients |
| Caroline a Reich MD PC | Past | Accepting new patients |
Locations
2006 Brookwood Medical Ctr Dr
Ste 202
Birmingham, AL 35209
Phone (205) 397-8850
2006 Brookwood Medical Ctr Dr
Ste 600
Homewood, AL 35209
Phone (205) 877-2971
2006 Medical Center Dr
Ste 402
Homewood, AL 35209
Phone (205) 397-9000
1199 Prince Ave
Athens, GA 30606
Phone (706) 354-3520
3886 Princeton Lakes Way SW
Ste 160
Atlanta, GA 30331
Phone (404) 530-3060
3950 Austell Rd
Austell, GA 30106
Phone (770) 732-3752
3950 Austell Rd
Ofc
Austell, GA 30106
Phone (707) 324-0227
5150 Stilesboro Rd NW
Ste 120
Kennesaw, GA 30152
Phone (678) 354-0230
5150 Stilesboro Rd NW
Ste 220
Kennesaw, GA 30152
Phone (770) 424-8222
Organizations & group practices 9
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.
-
dba WellStar Family Medicine ACW
- Family Medicine Physician
- Kennesaw, GA
- NPI 1558664003
-
- Obstetrics & Gynecology Physician
- Athens, GA
- NPI 1750686838
-
- Obstetrics & Gynecology Physician
- Birmingham, AL
- NPI 1417250663
-
- Multi-Specialty Clinic/Center
- Marietta, GA
- NPI 1275992240
-
dba WellStar Internal Medicine (Lovett)
- Internal Medicine Physician
- Marietta, GA
- NPI 1700138955
-
- Obstetrics & Gynecology Physician
- Atlanta, GA
- NPI 1144480146
-
- Obstetrics & Gynecology Physician
- Birmingham, AL
- NPI 1659086791
-
- Diagnostic Radiology Physician
- Birmingham, AL
- NPI 1982882270
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba WellStar North Fulton Hospital
- General Acute Care Hospital
- Roswell, GA
- NPI 1750312997
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1161561600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778544000000",
"number": "1740363746",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3950 AUSTELL RD",
"city": "AUSTELL",
"state": "GA",
"postal_code": "301061121",
"telephone_number": "770-732-4025",
"fax_number": "770-732-4023"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3950 AUSTELL ROAD",
"address_2": "OB/GYN HOSPITALISTS OFFICE",
"city": "AUSTELL",
"state": "GA",
"postal_code": "30106",
"telephone_number": "770-732-4025",
"fax_number": "770-732-4023"
}
],
"practiceLocations": [
{
"address_1": "2400 S Avenue A",
"address_purpose": "LOCATION",
"city": "Yuma",
"state": "AZ",
"postal_code": "853647127",
"country_code": "US",
"telephone_number": "928-783-3050",
"fax_number": "928-336-5673",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3885 Princeton Lakes Way SW",
"address_2": "Suite 412",
"address_purpose": "LOCATION",
"city": "Atlanta",
"state": "GA",
"postal_code": "303315589",
"country_code": "US",
"telephone_number": "678-365-2322",
"fax_number": "678-365-2333",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3885 Princeton Lakes Way SW",
"address_2": "Suite 412",
"address_purpose": "LOCATION",
"city": "Atlanta",
"state": "GA",
"postal_code": "303315589",
"country_code": "US",
"telephone_number": "678-365-2322",
"fax_number": "678-365-2333",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HAMILTON",
"first_name": "KAREN",
"middle_name": "T.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-10-23",
"last_updated": "2026-05-12",
"certification_date": "2026-05-12",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "AZ",
"license": "80521",
"primary": false
},
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "GA",
"license": "61784",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "GA",
"license": "61784",
"primary": true
},
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "TN",
"license": "51296",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "4142875",
"state": "TN"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "342552785A",
"state": "GA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "342552785B",
"state": "GA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "342552785C",
"state": "GA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "khamilton31812@directwellstar.org",
"affiliation": "N",
"address_1": "3950 Austell Road",
"address_2": "OB/GYN Hospitalists Office",
"city": "Austell",
"state": "GA",
"country_code": "US",
"postal_code": "301061121",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Austell, GA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 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.