DR. THOMAS CHACKO MD
NPI 1356443089
Allergy & Immunology in Alpharetta, GA
About Dr. Thomas Chacko Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS CHACKO MD (NPI 1356443089) is an individual allergy & immunology provider in Alpharetta, Georgia, licensed in Georgia (59383) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2002).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Thomas Chacko Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Chacko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alpharetta, GA 30022
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Thomas Chacko MD PC
- 4 clinicians in this Medicare group
Atlanta, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 22 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
ALPHARETTA, GA 30022
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Chacko's NPI number?
The NPI number for Thomas Chacko is 1356443089. It was assigned to this individual provider in the NPPES registry on September 2, 2006.
Where is Thomas Chacko located?
Thomas Chacko practices at 3905 Brookside Pkwy Ste 203, Alpharetta, GA 30022. The listed phone number is (267) 226-3181.
What is Thomas Chacko's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Thomas Chacko enrolled in Medicare?
Yes. Thomas Chacko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Chacko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Chacko reassigns Medicare benefits to 2 organizations: Thomas Chacko M.D. P.C (Alpharetta, GA) and Ent Of Georgia, LLC (Atlanta, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Chacko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Chacko accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list Thomas Chacko as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Thomas Chacko was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Thomas Chacko, MD · NPI 1356443089
Allergy & Immunology physician in Alpharetta, Georgia. Individual provider, active in the CMS NPPES registry since September 2, 2006.
## Identity
- **NPI:** 1356443089 (Entity type: Individual)
- **Enumerated:** September 2, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 59383 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3905 BROOKSIDE PKWY STE 203, Alpharetta, GA 30022-4425
- **Phone:** (267) 226-3181 · **Fax:** (888) 823-1934
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Thomas Chacko M.D. P.C (NPI 1669986709, Alpharetta, GA); Ent Of Georgia, LLC (NPI 1922046424, Atlanta, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 2002
## Record status
- **NPPES last updated:** October 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1356443089) · Data from the CMS NPPES public registry.