Dr. Thomas Chacko, MD

  • Alpharetta, GA
  • Allergy physician
NPI1356443089PAC ID7517067788
Medicare services, 2024
8,856
Medicare patients, 2024
258
Part D claims, 2024
774
Publications
3
MIPS score, 2024
22
Practice address
3905 Brookside Pkwy, Alpharetta, GA 30022
Practice phone
Call (678) 668-4688
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Chacko Allergy

Alpharetta, Georgia

See all 4 affiliations

Find Dr. Chacko's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Thomas Chacko is an allergy physician in Alpharetta, Georgia

Dr. Chacko practices at Chacko Allergy in Alpharetta, Georgia.

Dr. Chacko's NPI, 1356443089, was assigned on September 2, 2006. Dr. Chacko graduated from Sidney Kimmel Medical College in 2002. Dr. Chacko holds Georgia license 59383.

NPI and contact details
Medicare PAC ID
7517067788
NPI enumeration date
September 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(678) 668-4688
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thomas Chacko practices at Chacko Allergy in Alpharetta, Georgia

Dr. Chacko's primary practice is Chacko Allergy, at 3905 Brookside Pkwy, Alpharetta, GA 30022 in Fulton County. The practice phone is (678) 668-4688.

  • Chacko Allergy
    3905 Brookside Pkwy, Alpharetta, GA 30022 · Fulton CountyPhone(678) 668-4688

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thomas Chacko is affiliated with 2 sites of care and 2 medical groups

Dr. Chacko's primary practice is Chacko Allergy in Alpharetta, Georgia. The medical group on file is Chacko Allergy, Asthma and Sinus Center. Dmand AI also links Dr. Chacko to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Chacko

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Thomas Chacko's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chacko practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Chacko AllergyAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Chacko practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Thomas Chacko is one of 21 allergy physicians in Georgia

Allergy is Dr. Chacko's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Chacko is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Chacko's licenses on file in 3 states: Georgia, Florida and New York.

Specialties and state licenses

  • Allergy, GeorgiaPrimaryLicense 59383 · 2007 to 2026 · taxonomy 207KA0200X
  • Florida license2005 to 2009
  • New York license2003 to 2005

Clinical focus

Dmand AI lists acute sinusitis, asthma, chronic nasal allergies and hives among the conditions Dr. Chacko treats.

Allergy physicians near Dr. Chacko

Counts of allergy physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Thomas Chacko billed Medicare for 8,856 services in 2024

CMS data shows 8,856 Medicare services from Dr. Chacko across 10 procedure codes in 2024, for 258 Medicare patients. Medicare paid $79,454 for them. Every service was in an office.

Medicare services, 20248,856
Medicare patients258
Paid by Medicare$79,454
Procedure codes10

Dr. Chacko's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 9,4872024: 8,47011%
Office and hospital visits
2023: 3592024: 3868%

Dr. Chacko compared with the Georgia median for allergy physicians, 2024

  • Dr. Chacko
  • Georgia median
Medicare services
8,856vs 1,1717.6 times
Medicare patients
258vs 1192.2 times
Part D claims
655vs 1823.6 times

Medians across 22 allergy physicians in Georgia with Dmand AI profiles that report each measure.

Dr. Chacko's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chacko

Need commercial claims for Dr. Chacko?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chacko and other allergy physicians in Georgia.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas Chacko treated 258 Medicare patients in 2024, average age 72

CMS counts 258 Medicare patients who saw Dr. Chacko in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.77, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chacko's median patient age at 20, with 53% women.

Medicare patients, 2024258
Average age72
Average risk score0.77
Also on Medicaid5%

Dr. Chacko's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chacko's Medicare patients by sex, 2024

  • Women17267%
  • Men8633%

Chronic conditions among Dr. Chacko's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis50%
  4. Ischemic heart disease28%
  5. Anxiety26%
  6. Asthma25%
  7. Diabetes25%
  8. Mood disorders21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chacko's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 20

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Thomas Chacko wrote 774 Medicare Part D claims in 2024

In 2024, Dr. Chacko wrote 774 Medicare Part D claims for 225 patients. 76% of them were for generic drugs. CMS names the drug for 655 of them, across 14 drugs with 11 or more claims each, at $322,434 in total drug cost. In 2023, CMS named 597 claims across 14 drugs.

Part D claims, 2024774
Drugs named by CMS14
Total drug cost$322,434
Part D patients225

Dr. Chacko's Part D claims by kind of drug, 2024

  • Generic587 claims76%
  • Brand-name187 claims24%

Dr. Chacko's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Chacko's Part D claims, 2024

  • Antibiotics2%13 of 774 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5972024: 65510%

Drugs named by CMS: 14 in 2024, 14 in 2023.

See all prescribing by Dr. Chacko

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Thomas Chacko scored 22 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Chacko for performance year 2024, reported individually. Dr. Chacko accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Chacko's MIPS scores, performance year 2024

  • 22of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find allergy physicians like Dr. Chacko by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Thomas Chacko has 3 publications on record

Dmand AI links 3 papers to Dr. Chacko, published from 2002 to 2003. The most frequent topics are Fluorodeoxyglucose F18 and Radiopharmaceuticals. Dr. Chacko has published most often in Eur J Nucl Med Mol Imaging. Dr. Chacko's most frequent co-authors are Abass Alavi, MD, Hongming Zhuang, MD and Dennis K. Ledford, MD.

Papers3
Years published2002 to 2003

Topics Dr. Chacko writes about most

  • Fluorodeoxyglucose F18
  • Radiopharmaceuticals

Dr. Chacko's most frequent co-authors

Recent publications by Dr. Chacko

See all 3 publications and co-authors

See who Dr. Chacko researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chacko works with, so you can find a warm path to the right allergy physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Thomas Chacko received $73,896 in industry payments from 2016 to 2025

CMS Open Payments shows 508 general payments to Dr. Chacko from 37 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 42% of the total. Novartis Pharmaceuticals Corporation paid the most, $30,678.

General payments to Dr. Chacko by program year, 2016 to 2025

General payments to Dr. Chacko by kind, 2016 to 2025

$73.9Kin total
  • Consulting fees$30,90842%
  • Speaker and faculty fees$22,59131%
  • Food and beverage$13,46118%
  • Travel and lodging$6,8489%
  • Education$890%

Companies that paid Dr. Chacko the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chacko

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thomas Chacko graduated from Sidney Kimmel Medical College

Dr. Chacko graduated from Sidney Kimmel Medical College in 2002. Dr. Chacko is a member of AAAAI.

  1. Medical schoolSidney Kimmel Medical College
  2. Board certified in allergy & immunologyAmerican Board of Allergy and Immunology

Source: Dmand AI Professional Profile Data

Dr. Thomas Chacko accepts plans from 14 insurance carriers

Dr. Chacko is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Chacko accepts, by number of carriers

  1. Medicare10
  2. PPO9
  3. HMO5
  4. POS5
  5. EPO4
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Thomas Chacko's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas Chacko

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Thomas Chacko's NPI number?

Dr. Thomas Chacko's NPI number is 1356443089. It was assigned on September 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Chacko?

Dr. Thomas Chacko is an allergy physician in Alpharetta, Georgia. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).

Where does Dr. Thomas Chacko practice?

Dr. Chacko practices at 3905 Brookside Pkwy, Alpharetta, GA 30022. Dr. Chacko's primary practice is Chacko Allergy in Alpharetta, Georgia. Dmand AI also links Dr. Chacko to 1 group practice or clinic and 1 medical group.

What is Dr. Thomas Chacko's office phone number?

The practice phone on file for Dr. Chacko is (678) 668-4688.

What is Dr. Thomas Chacko's medical license number?

Dr. Chacko holds Georgia license 59383, one of the licenses on file in 3 states.

Which states has Dr. Thomas Chacko been licensed in?

Dmand AI has state licenses on file for Dr. Chacko in Georgia (2007 to 2026), Florida (2005 to 2009) and New York (2003 to 2005).

What medical group is Dr. Thomas Chacko part of?

Dr. Chacko is linked to Chacko Allergy, Asthma and Sinus Center. Dmand AI links Dr. Chacko to 1 more medical group.

Does Dr. Thomas Chacko accept Medicare?

Yes. CMS data shows Dr. Chacko billed Medicare for 8,856 services in 2024, and Dr. Chacko accepts Medicare assignment.

What is Dr. Thomas Chacko's MIPS score?

Dr. Chacko's MIPS final score for performance year 2024 is 22 out of 100, reported individually.

How many Medicare patients does Dr. Thomas Chacko see?

CMS counts 258 Medicare patients who saw Dr. Chacko in 2024, with an average age of 72.

Show 9 more questionsShow fewer questions

Is Dr. Thomas Chacko board certified?

Yes. Dr. Chacko is board certified in allergy & immunology by the American Board of Allergy and Immunology.

What services does Dr. Thomas Chacko bill to Medicare?

In 2024, Dr. Chacko's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).

Where did Dr. Thomas Chacko go to medical school?

Dr. Chacko graduated from Sidney Kimmel Medical College in 2002.

What drugs does Dr. Thomas Chacko prescribe most?

In 2024 Medicare Part D data, Dr. Chacko's most prescribed drugs by claims were Fluticasone Propionate, Azelastine HCl and Famotidine.

Has Dr. Thomas Chacko received payments from drug or device companies?

CMS Open Payments shows $73,896 in general payments to Dr. Chacko from 37 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Thomas Chacko been practicing?

Dr. Chacko graduated from medical school in 2002, 24 years ago.

Does Dr. Thomas Chacko do research?

Dmand AI links 3 publications to Dr. Chacko, published from 2002 to 2003.

Who does Dr. Thomas Chacko publish with?

Dr. Chacko's most frequent co-authors are Abass Alavi, MD (2 shared papers), Hongming Zhuang, MD (2 shared papers) and Dennis K. Ledford, MD (1 shared paper).

What insurance does Dr. Thomas Chacko accept?

Dr. Chacko is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to allergy practices?

See allergy physicians in Georgia by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)