Career ChoiceInternal MedicineInternship and Residency
Dr. Amar Rajagopal Chadaga, MD
NPI1164605119PAC ID6608940515
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 24
- Publications
- 7
- Hospital affiliations
- 1
- Practice address
- 4440 W 95th Street, Oak Lawn, IL 60453
- Practice phone
- Call (708) 684-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chadaga's professional email, personal email and mobile number
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Dr. Amar Rajagopal Chadaga is an internist in Oak Lawn, Illinois
Dr. Chadaga practices at Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health.
Dr. Chadaga's NPI, 1164605119, was assigned on December 13, 2007. Dr. Chadaga graduated from Southern Illinois University School of Medicine in 2005. Dr. Chadaga holds Illinois license 036.120264.
NPI and contact details
- NPI
- 1164605119NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608940515
- NPI enumeration date
- December 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 684-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amar Rajagopal Chadaga practices at Advocate Christ Medical Center in Oak Lawn, Illinois
Dr. Chadaga's primary practice is Advocate Christ Medical Center, at 4440 W 95th Street, Oak Lawn, IL 60453 in Cook County. The practice phone is (708) 684-8000.
- Advocate Christ Medical Center4440 W 95th Street, Oak Lawn, IL 60453 · Cook CountyPhone(708) 684-8000
Source: Dmand AI Affiliation Data
Dr. Amar Rajagopal Chadaga is affiliated with 2 sites of care and 2 medical groups
Dr. Chadaga's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Chadaga to 1 more group practice or clinic and 1 medical group, each named with a free account.
Dreyer Medical Clinic (Advocate Medical Group)1 group practice or clinicName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. ChadagaSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amar Rajagopal Chadaga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chadaga practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Christ Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amar Rajagopal Chadaga is one of 5,652 internists in Illinois
Internal medicine is Dr. Chadaga's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chadaga is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Chadaga
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. Amar Rajagopal Chadaga billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Chadaga across 4 procedure codes in 2024, for 112 Medicare patients. Medicare paid $26,241 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024278
Medicare patients112
Paid by Medicare$26,241
Procedure codes4
Dr. Chadaga's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2632024: 2786%
Dr. Chadaga compared with the Illinois median for internists, 2024
- Dr. Chadaga
- Illinois median
- Medicare services
- 278vs 56651% below
- Medicare patients
- 112vs 20846% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Chadaga'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amar Rajagopal Chadaga treated 112 Medicare patients in 2024, average age 73
CMS counts 112 Medicare patients who saw Dr. Chadaga in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 3.16, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chadaga's median patient age at 74, with 63% women.
Medicare patients, 2024112
Average age73
Average risk score3.16
Also on Medicaid43%
Dr. Chadaga's Medicare patients by age, 2024
Dr. Chadaga's Medicare patients by sex, 2024
- Women6861%
- Men4439%
Chronic conditions among Dr. Chadaga's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Chronic kidney disease63%
- Heart failure56%
- Diabetes54%
- Ischemic heart disease49%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chadaga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amar Rajagopal Chadaga wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Chadaga wrote 24 Medicare Part D claims for 15 patients. 88% of them were for generic drugs.
Part D claims, 202424
Part D patients15
Dr. Chadaga's Part D claims by kind of drug, 2024
- Generic21 claims88%
- Brand-name and other3 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Amar Rajagopal Chadaga takes part in Medicare
Dr. Chadaga accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Amar Rajagopal Chadaga has 7 publications on record
Dmand AI links 7 papers to Dr. Chadaga, published from 2010 to 2018. 2016 was the busiest year, with 3. Dr. Chadaga has published most often in PLoS One. Dr. Chadaga's most frequent co-authors are Armand A. Krikorian, MD, Vineet Arora and Amber-Nicole Bird, MD.
Papers7
Years published2010 to 2018
Dr. Chadaga's papers by year, 2010 to 2018
Dr. Chadaga's most frequent co-authors
Recent publications by Dr. Chadaga
BullyingEducation, Medical, Graduate
See who Dr. Chadaga researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chadaga works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Amar Rajagopal Chadaga graduated from Southern Illinois University School of Medicine
Dr. Chadaga graduated from Southern Illinois University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Amar Rajagopal Chadaga'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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Amar Rajagopal Chadaga
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. Amar Rajagopal Chadaga's NPI number?
Dr. Amar Rajagopal Chadaga's NPI number is 1164605119. It was assigned on December 13, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Amar Rajagopal Chadaga?
Dr. Amar Rajagopal Chadaga is an internist in Oak Lawn, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Amar Rajagopal Chadaga practice?
Dr. Chadaga practices at 4440 W 95th Street, Oak Lawn, IL 60453. Dr. Chadaga's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dmand AI also links Dr. Chadaga to 1 group practice or clinic and 1 medical group.
What is Dr. Amar Rajagopal Chadaga's office phone number?
The practice phone on file for Dr. Chadaga is (708) 684-8000.
What is Dr. Amar Rajagopal Chadaga's medical license number?
Dr. Chadaga holds Illinois license 036.120264.
Which hospitals is Dr. Amar Rajagopal Chadaga affiliated with?
Dr. Chadaga practices at Advocate Christ Medical Center in Oak Lawn, Illinois.
What medical group is Dr. Amar Rajagopal Chadaga part of?
Dr. Chadaga is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Chadaga to 1 more medical group.
Does Dr. Amar Rajagopal Chadaga accept Medicare?
Yes. CMS data shows Dr. Chadaga billed Medicare for 278 services in 2024, and Dr. Chadaga accepts Medicare assignment.
How many Medicare patients does Dr. Amar Rajagopal Chadaga see?
CMS counts 112 Medicare patients who saw Dr. Chadaga in 2024, with an average age of 73.
What services does Dr. Amar Rajagopal Chadaga bill to Medicare?
In 2024, Dr. Chadaga's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did Dr. Amar Rajagopal Chadaga go to medical school?
Dr. Chadaga graduated from Southern Illinois University School of Medicine in 2005.
How long has Dr. Amar Rajagopal Chadaga been practicing?
Dr. Chadaga graduated from medical school in 2005, 21 years ago.
Does Dr. Amar Rajagopal Chadaga do research?
Dmand AI links 7 publications to Dr. Chadaga, published from 2010 to 2018.
Who does Dr. Amar Rajagopal Chadaga publish with?
Dr. Chadaga's most frequent co-authors are Armand A. Krikorian, MD (2 shared papers), Vineet Arora (1 shared paper) and Amber-Nicole Bird, MD (1 shared paper).
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