Active NPI
Thomas Chacko M.D. P.C
Doing business as Chacko Allergy
- Allergy Physician
- Alpharetta, GA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy Physician
- Legal business name
- THOMAS CHACKO M.D. P.C
- Doing business as
- Chacko Allergy
- Practice address
- 3905 Brookside Pkwy Ste 203
Alpharetta, GA 30022-4425 - Phone
- (678) 668-4688
- NPI assigned
- Nov 28, 2017
- Last updated
- Aug 25, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Usha Mariam Chacko
- Title
- Practice Manager
- Phone
- (678) 668-4688
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy Physician | 207KA0200X | Primary |
Addresses
Primary practice location
3905 Brookside Pkwy Ste 203
Alpharetta, GA 30022-4425
Mailing address
3905 Brookside Pkwy Ste 203
Alpharetta, GA 30022-4425
Phone (678) 668-4688
Other names 1
- Chacko Allergy
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in GA
Enrollment records 1
National Provider Directory
National Provider Directory- Tax ID family
- Chacko Allergy
Other organizations with this tax ID 1
Organizations that report the same tax identification number in the National Provider Directory.
Locations
17 Executive Park Dr NE
Ste 250
Atlanta, GA 30329
Phone (678) 904-4390
102 Mary Alice Park Rd
Ste 805
Cumming, GA 30040
Phone (678) 438-5921
11315 Johns Creek Pkwy
Ste 140
Johns Creek, GA 30097
5555 Peachtree Dunwoody Rd
Ste 125
Sandy Springs, GA 30342
Phone (404) 255-2918
5555 Peachtree Dunwoody Rd
Ste 132
Sandy Springs, GA 30342
5555 Peachtree Dunwoody Rd
Ste 135
Sandy Springs, GA 30342
Phone (404) 257-0039
Practitioners & affiliated clinicians
Practitioners 10
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Allergy Physician
- Alpharetta, GA
- NPI 1356443089
-
- Allergy Physician
- Alpharetta, GA
- NPI 1053817536
-
- Allergy Physician
- Alpharetta, GA
- NPI 1235636424
-
- Family Nurse Practitioner
- Alpharetta, GA
- NPI 1962032912
-
- Family Nurse Practitioner
- Johns Creek, GA
- NPI 1073015921
-
- Dermatology Physician
- Johns Creek, GA
- NPI 1033151063
-
- Physician Assistant
- Canton, GA
- NPI 1205563442
-
- Dermatology Physician
- Roswell, GA
- NPI 1598405615
-
- Dermatology Physician
- Cumming, GA
- NPI 1386936839
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1511827200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1756080000000",
"number": "1669986709",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3905 BROOKSIDE PKWY STE 203",
"city": "ALPHARETTA",
"state": "GA",
"postal_code": "300224425",
"telephone_number": "678-668-4688"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3905 BROOKSIDE PKWY STE 203",
"city": "ALPHARETTA",
"state": "GA",
"postal_code": "300224425",
"telephone_number": "678-668-4688"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "THOMAS CHACKO M.D. P.C",
"organizational_subpart": "NO",
"enumeration_date": "2017-11-28",
"last_updated": "2025-08-25",
"certification_date": "2025-08-25",
"status": "A",
"authorized_official_last_name": "CHACKO",
"authorized_official_first_name": "USHA",
"authorized_official_middle_name": "MARIAM",
"authorized_official_title_or_position": "PRACTICE MANAGER",
"authorized_official_telephone_number": "678-668-4688"
},
"taxonomies": [
{
"code": "207KA0200X",
"taxonomy_group": "",
"desc": "Allergy & Immunology, Allergy",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Chacko Allergy",
"code": "3",
"type": "Doing Business As"
}
]
}
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 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.