THOMAS CHACKO M.D. P.C
NPI 1487532719
Allergy & Immunology - Allergy in Alpharetta, GA
NPI Status: Active since August 25, 2025
Contact Information
3905 BROOKSIDE PKWY STE 203
ALPHARETTA, GA
ZIP 30022
Phone: (678) 668-4688
Fax: (888) 823-1934
- Organization
- Allergy & Immunology
- Allergy
About THOMAS CHACKO M.D. P.C
This page provides the complete NPI Profile along with additional information for Thomas Chacko M.d. P.c, a provider established in Alpharetta, Georgia operating as a Allergy & Immunology, focusing in allergy . The healthcare provider is registered in the NPI registry with number 1487532719 assigned on August 2025. The practitioner's primary taxonomy code is 207KA0200X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Usha Mariam Chacko (Practice Manager)
- NPI
- 1487532719
- Provider Name
- THOMAS CHACKO M.D. P.C
- Entity Type
- Organization
- Location Address
- 3905 BROOKSIDE PKWY STE 203 ALPHARETTA, GA 30022
- Location Phone
- (678) 668-4688
- Location Fax
- (888) 823-1934
- Mailing Address
- 3905 BROOKSIDE PKWY STE 203 ALPHARETTA, GA 30022
- Mailing Phone
- (678) 668-4688
- Mailing Fax
- (888) 823-1934
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-25-2025
- Last Update Date
- 08-25-2025
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Allergy & Immunology Allergy
- Taxonomy Code
- 207KA0200X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1487532719, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1487532719, enumerated as an "organization" on August 25, 2025.
The provider is located at 3905 BROOKSIDE PKWY STE 203 ALPHARETTA, GA 30022 and the phone number is (678) 668-4688.
Allergy & Immunology with taxonomy code 207KA0200X and a focus in Allergy.
