Dr. Anand Venkateswaran Ramanathan, MD
- Medicare services, 2024
- 4,298
- Medicare patients, 2024
- 1,656
- Part D claims, 2024
- 5,151
- Hospital affiliations
- 4
- Industry payments
- $21,186
- Practice address
- 801 South Washington, Naperville, IL 60540
- Practice phone
- Call (630) 527-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Anand Venkateswaran Ramanathan is an interventional cardiologist in Naperville, Illinois
Dr. Ramanathan practices at Edward Hospital in Naperville, Illinois, part of Endeavor Health.
Dr. Ramanathan's NPI, 1306892229, was assigned on May 25, 2006. Dr. Ramanathan graduated from University of North Carolina at Chapel Hill School of Medicine in 1992. Dr. Ramanathan holds Illinois license 036.100269.
- NPI
- 1306892229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456320431
- NPI enumeration date
- May 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 527-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anand Venkateswaran Ramanathan practices at Edward Hospital in Naperville, Illinois
Dr. Ramanathan's primary practice is Edward Hospital, at 801 South Washington, Naperville, IL 60540 in Du Page County. The practice phone is (630) 527-3000.
- Edward Hospital801 South Washington, Naperville, IL 60540 · Du Page CountyPhone(630) 527-3000
Source: Dmand AI Affiliation Data
Dr. Anand Venkateswaran Ramanathan is affiliated with 10 sites of care and 7 medical groups
Dr. Ramanathan's primary practice is Edward Hospital in Naperville, Illinois, part of Endeavor Health. Dr. Ramanathan is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Edward Hospital. Dmand AI also links Dr. Ramanathan to 2 more hospitals, 6 group practices and clinics and 6 medical groups, 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. Anand Venkateswaran Ramanathan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramanathan practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Edward Hospital | Available with a free account |
| +9 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anand Venkateswaran Ramanathan is one of 286 interventional cardiologists in Illinois
Interventional cardiology is Dr. Ramanathan's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Ramanathan is licensed in Illinois.
Specialties and state licenses
- Interventional cardiology, IllinoisPrimary
Interventional cardiologists near Dr. Ramanathan
Counts of interventional cardiologists 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. Anand Venkateswaran Ramanathan billed Medicare for 4,298 services in 2024
CMS data shows 4,298 Medicare services from Dr. Ramanathan across 25 procedure codes in 2024, for 1,656 Medicare patients. Medicare paid $247,247 for them.
Dr. Ramanathan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,2002024: 1,87056%
- Office and hospital visits
- 2023: 1,5982024: 1,30119%
- Other services
- 2023: 02024: 1,080
- Surgery
- 2023: 512024: 478%
Where Dr. Ramanathan's Medicare services took place, 2024
- In an office2,97369%
- In a facility1,32531%
Dr. Ramanathan compared with the Illinois median for interventional cardiologists, 2024
- Dr. Ramanathan
- Illinois median
- Medicare services
- 4,298vs 2,26490% above
- Medicare patients
- 1,656vs 96971% above
- Part D claims
- 4,909vs 2,4132.0 times
Medians across 282 interventional cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ramanathan'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. Anand Venkateswaran Ramanathan treated 1,656 Medicare patients in 2024, average age 76
CMS counts 1,656 Medicare patients who saw Dr. Ramanathan in 2024. The largest group is 75 to 84, with 683 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.63, 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. Ramanathan's median patient age at 65, with 40% women.
Dr. Ramanathan's Medicare patients by age, 2024
Dr. Ramanathan's Medicare patients by sex, 2024
- Women82050%
- Men83650%
Chronic conditions among Dr. Ramanathan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis53%
- Diabetes40%
- Chronic kidney disease36%
- Atrial fibrillation35%
- Heart failure33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ramanathan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anand Venkateswaran Ramanathan wrote 5,151 Medicare Part D claims in 2024
In 2024, Dr. Ramanathan wrote 5,151 Medicare Part D claims for 732 patients. 90% of them were for generic drugs. CMS names the drug for 4,909 of them, across 46 drugs with 11 or more claims each, at $625,690 in total drug cost. In 2023, CMS named 4,590 claims across 45 drugs.
Dr. Ramanathan's Part D claims by kind of drug, 2024
- Generic4,653 claims90%
- Brand-name498 claims10%
Dr. Ramanathan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5902024: 4,9097%
Drugs named by CMS: 46 in 2024, 45 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. Anand Venkateswaran Ramanathan ranks in the 46th percentile for coronary angioplasty and stenting in Medicare
Dr. Ramanathan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of coronary angioplasty and stenting by Dr. Ramanathan, more than 46% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ramanathan ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 46th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Anand Venkateswaran Ramanathan received $21,186 in industry payments from 2016 to 2025
CMS Open Payments shows 285 general payments to Dr. Ramanathan from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 49% of the total. Edwards Lifesciences Corporation paid the most, $5,163. It also lists 1 research payment totaling $20 in 2023.
General payments to Dr. Ramanathan by program year, 2016 to 2025
General payments to Dr. Ramanathan by kind, 2016 to 2025
- Food and beverage$10,42949%
- Travel and lodging$10,40249%
- Entertainment$1801%
- Education$1761%
Companies that paid Dr. Ramanathan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Anand Venkateswaran Ramanathan graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Ramanathan graduated from University of North Carolina at Chapel Hill School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anand Venkateswaran Ramanathan'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)Doctors and Clinicians Utilization Data (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. Anand Venkateswaran Ramanathan
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. Anand Venkateswaran Ramanathan's NPI number?
Dr. Anand Venkateswaran Ramanathan's NPI number is 1306892229. It was assigned on May 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Anand Venkateswaran Ramanathan?
Dr. Anand Venkateswaran Ramanathan is an interventional cardiologist in Naperville, Illinois. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Anand Venkateswaran Ramanathan practice?
Dr. Ramanathan practices at 801 South Washington, Naperville, IL 60540. Dr. Ramanathan's primary practice is Edward Hospital in Naperville, Illinois, part of Endeavor Health. Dmand AI also links Dr. Ramanathan to 2 hospitals, 6 group practices and clinics and 6 medical groups.
What is Dr. Anand Venkateswaran Ramanathan's office phone number?
The practice phone on file for Dr. Ramanathan is (630) 527-3000.
What is Dr. Anand Venkateswaran Ramanathan's medical license number?
Dr. Ramanathan holds Illinois license 036.100269.
Which hospitals is Dr. Anand Venkateswaran Ramanathan affiliated with?
Dr. Ramanathan practices at Edward Hospital in Naperville, Illinois. Dr. Ramanathan is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Ramanathan to 2 more hospitals.
What medical group is Dr. Anand Venkateswaran Ramanathan part of?
Dr. Ramanathan is linked to Edward Hospital. Dmand AI links Dr. Ramanathan to 6 more medical groups.
Does Dr. Anand Venkateswaran Ramanathan accept Medicare?
Yes. CMS data shows Dr. Ramanathan billed Medicare for 4,298 services in 2024, and Dr. Ramanathan accepts Medicare assignment.
How many Medicare patients does Dr. Anand Venkateswaran Ramanathan see?
CMS counts 1,656 Medicare patients who saw Dr. Ramanathan in 2024, with an average age of 76.
What services does Dr. Anand Venkateswaran Ramanathan bill to Medicare?
In 2024, Dr. Ramanathan's most billed Medicare services were medicare service (G2211), heart test or procedure (93010) and office visit, established patient (99214).
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Where did Dr. Anand Venkateswaran Ramanathan go to medical school?
Dr. Ramanathan graduated from University of North Carolina at Chapel Hill School of Medicine in 1992.
What drugs does Dr. Anand Venkateswaran Ramanathan prescribe most?
In 2024 Medicare Part D data, Dr. Ramanathan's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Rosuvastatin Calcium.
Has Dr. Anand Venkateswaran Ramanathan received payments from drug or device companies?
CMS Open Payments shows $21,186 in general payments to Dr. Ramanathan from 36 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Anand Venkateswaran Ramanathan been practicing?
Dr. Ramanathan graduated from medical school in 1992, 34 years ago.
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