Organization Active NPI

Thomas Chacko M.D. P.C

Doing business as Chacko Allergy

  • Allergy Physician
  • Alpharetta, GA
National Provider Identifier
1669986709
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy PhysicianTaxonomy code 207KA0200X
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, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

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)CodeLicenseStatePrimary
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 Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20181219002143 GA Part B Supplier - Clinic/Group Practice 5991040982 Receives reassigned benefits from 4 practitioners
Practice locations: Alpharetta, GA; Atlanta, GA; Canton, GA; Cumming, GA; Duluth, GA; Suwanee, GA

National Provider Directory

National Provider Directory
Tax ID family
Chacko Allergy2 organizations share this tax ID, including this one

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.

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.

Verify at the official NPI Registry.