Dr. Maggie E. Chacko, MD
- Medicare services, 2024
- 1,148
- Medicare patients, 2024
- 195
- Part D claims, 2024
- 5,082
- MIPS score, 2024
- 85
- Hospital affiliations
- 4
- Practice address
- 155 East Brush Hill Road, Elmhurst, IL 60126
- Practice phone
- Call (331) 221-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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.
Dr. Maggie E. Chacko is an internist in Elmhurst, Illinois
Dr. Chacko practices at Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health.
Dr. Chacko's NPI, 1417993734, was assigned on June 22, 2006. Dr. Chacko graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1995. Dr. Chacko holds Illinois license 036098672.
- NPI
- 1417993734NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153304084
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (331) 221-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maggie E. Chacko practices at Elmhurst Hospital in Elmhurst, Illinois
Dr. Chacko's primary practice is Elmhurst Hospital, at 155 East Brush Hill Road, Elmhurst, IL 60126 in Du Page County. The practice phone is (331) 221-1000.
- Elmhurst Hospital155 East Brush Hill Road, Elmhurst, IL 60126 · Du Page CountyPhone(331) 221-1000
Source: Dmand AI Affiliation Data
Dr. Maggie E. Chacko is affiliated with 7 sites of care and 2 medical groups
Dr. Chacko's primary practice is Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health. Dr. Chacko is also affiliated with Loyola University Medical Center. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Chacko to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maggie E. Chacko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chacko practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elmhurst Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Endeavor Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Maggie E. Chacko is one of 5,652 internists in Illinois
Internal medicine is Dr. Chacko's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chacko is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Chacko
Counts of internists 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. Maggie E. Chacko billed Medicare for 1,148 services in 2024
CMS data shows 1,148 Medicare services from Dr. Chacko across 17 procedure codes in 2024, for 195 Medicare patients. Medicare paid $107,118 for them.
Dr. Chacko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6212024: 56210%
- Other services
- 2023: 1682024: 30682%
- Lab and pathology
- 2023: 1382024: 1324%
- Tests and treatments
- 2023: 672024: 12587%
- Surgery
- 2023: 812024: 2372%
Where Dr. Chacko's Medicare services took place, 2024
- In an office1,03090%
- In a facility11810%
Dr. Chacko compared with the Illinois median for internists, 2024
- Dr. Chacko
- Illinois median
- Medicare services
- 1,148vs 5662.0 times
- Medicare patients
- 195vs 2086% below
- Part D claims
- 4,504vs 28415.9 times
Medians across 5,192 internists in Illinois 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.
Need commercial claims for Dr. Chacko?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chacko and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maggie E. Chacko treated 195 Medicare patients in 2024, average age 76
CMS counts 195 Medicare patients who saw Dr. Chacko in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chacko's median patient age at 70, with 78% women.
Dr. Chacko's Medicare patients by age, 2024
Dr. Chacko's Medicare patients by sex, 2024
- Women14574%
- Men5026%
Chronic conditions among Dr. Chacko's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes43%
- Ischemic heart disease29%
- Chronic kidney disease25%
- Osteoporosis24%
- Anxiety22%
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 70
Patient panel by sex, all payers
- Women78%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maggie E. Chacko wrote 5,082 Medicare Part D claims in 2024
In 2024, Dr. Chacko wrote 5,082 Medicare Part D claims for 388 patients. 88% of them were for generic drugs. CMS names the drug for 4,504 of them, across 94 drugs with 11 or more claims each, at $289,004 in total drug cost. In 2023, CMS named 4,056 claims across 93 drugs.
Dr. Chacko's Part D claims by kind of drug, 2024
- Generic4,462 claims88%
- Brand-name559 claims11%
- Other61 claims1%
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
- Opioids1%30 of 5,082 claims
- Antibiotics2%109 of 5,082 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: 4,0562024: 4,50411%
Drugs named by CMS: 94 in 2024, 93 in 2023.
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. Maggie E. Chacko scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Chacko for performance year 2024, reported as part of a group. Dr. Chacko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chacko as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chacko's MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Maggie E. Chacko received $262 in industry payments from 2020 to 2022
CMS Open Payments shows 13 general payments to Dr. Chacko from 5 drug and device companies from 2020 to 2022. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $95.
General payments to Dr. Chacko by program year, 2020 to 2022
Companies that paid Dr. Chacko the most, 2020 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maggie E. Chacko graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Chacko graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maggie E. Chacko's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maggie E. 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. Maggie E. Chacko's NPI number?
Dr. Maggie E. Chacko's NPI number is 1417993734. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maggie E. Chacko?
Dr. Maggie E. Chacko is an internist in Elmhurst, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Maggie E. Chacko practice?
Dr. Chacko practices at 155 East Brush Hill Road, Elmhurst, IL 60126. Dr. Chacko's primary practice is Elmhurst Hospital in Elmhurst, Illinois, part of Endeavor Health. Dmand AI also links Dr. Chacko to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Maggie E. Chacko's office phone number?
The practice phone on file for Dr. Chacko is (331) 221-1000.
What is Dr. Maggie E. Chacko's medical license number?
Dr. Chacko holds Illinois license 036098672.
Which hospitals is Dr. Maggie E. Chacko affiliated with?
Dr. Chacko practices at Elmhurst Hospital in Elmhurst, Illinois. Dr. Chacko is also affiliated with Loyola University Medical Center. Dmand AI links Dr. Chacko to 2 more hospitals.
What medical group is Dr. Maggie E. Chacko part of?
Dr. Chacko is linked to Endeavor Health Medical Group. Dmand AI links Dr. Chacko to 1 more medical group.
Does Dr. Maggie E. Chacko accept Medicare?
Yes. CMS data shows Dr. Chacko billed Medicare for 1,148 services in 2024, and Dr. Chacko accepts Medicare assignment.
Does Dr. Maggie E. Chacko offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chacko as offering telehealth services.
What is Dr. Maggie E. Chacko's MIPS score?
Dr. Chacko's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Maggie E. Chacko see?
CMS counts 195 Medicare patients who saw Dr. Chacko in 2024, with an average age of 76.
What services does Dr. Maggie E. Chacko bill to Medicare?
In 2024, Dr. Chacko's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and lab and pathology test (81003).
Where did Dr. Maggie E. Chacko go to medical school?
Dr. Chacko graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1995.
What drugs does Dr. Maggie E. Chacko prescribe most?
In 2024 Medicare Part D data, Dr. Chacko's most prescribed drugs by claims were Atorvastatin Calcium, Montelukast Sodium and Levothyroxine Sodium.
Has Dr. Maggie E. Chacko received payments from drug or device companies?
CMS Open Payments shows $262 in general payments to Dr. Chacko from 5 companies from 2020 to 2022. The largest total came from Novo Nordisk Inc.
How long has Dr. Maggie E. Chacko been practicing?
Dr. Chacko graduated from medical school in 1995, 31 years ago.
Selling to internal medicine practices?
See internists in Illinois 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