Active NPI
Jack J. St. Jean, MD
- Psychiatry Physician
- Alpharetta, GA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 103618
- Practice address
- 3400 Old Milton Pkwy
Building C, Suite 395,
Alpharetta, GA 30005-3707 - Phone
- (678) 384-4911
- Fax
- (678) 405-3259
- NPI assigned
- Apr 5, 2021
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 103618 | GA | Primary |
Addresses
Primary practice location
3400 Old Milton Pkwy
Building C, Suite 395,
Alpharetta, GA 30005-3707
Mailing address
3400 Old Milton Pkwy Ste 395
Alpharetta, GA 30005-3707
Phone (678) 384-4911
Other names 1
- Dr. Jack J. St Jean
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: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
3400 Old Milton Pkwy
Alpharetta, GA 30005-3707
Phone (678) 384-4911
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Privia Medical Group of Georgia LLC | Current | Accepting new patients | |
| Privia Medical Group of Georgia LLC | Current | Accepting new patients |
Locations
3400 Old Milton Pkwy
Ste C395
Alpharetta, GA 30005
Phone (678) 384-4911
3715 Northside Pkwy NW
Bldg 100
Atlanta, GA 30327
Phone (404) 262-7414
101 Yorktown Dr
Ste 100
Fayetteville, GA 30214
Phone (770) 460-4285
Interoperability endpoints
- https://api.platform.athenahealth.com/8042/brand/1/csg/1/fhir/r4
- jack.st.jean.1@8042.direct.athenahealth.com
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.
-
- Internal Medicine Physician
- Fayetteville, GA
- NPI 1013313857
-
- Internal Medicine Physician
- Savannah, GA
- NPI 1356907273
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1617580800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755734400000",
"number": "1467031732",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3400 OLD MILTON PKWY STE 395",
"city": "ALPHARETTA",
"state": "GA",
"postal_code": "300053707",
"telephone_number": "678-384-4911"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3400 OLD MILTON PKWY",
"address_2": "BUILDING C, SUITE 395,",
"city": "ALPHARETTA",
"state": "GA",
"postal_code": "300053707",
"telephone_number": "678-384-4911",
"fax_number": "678-405-3259"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ST. JEAN",
"first_name": "JACK",
"middle_name": "J.",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-04-05",
"last_updated": "2025-08-21",
"certification_date": "2025-08-21",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "GA",
"license": "103618",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "JACK",
"last_name": "ST JEAN",
"middle_name": "J.",
"prefix": "DR.",
"credential": "MD",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Alpharetta, GA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.